diff --git a/account_usability/__init__.py b/account_usability/__init__.py
index f5d69b9..9b42961 100644
--- a/account_usability/__init__.py
+++ b/account_usability/__init__.py
@@ -1,4 +1,2 @@
-from . import account
-#from . import account_invoice_report
-from . import partner
+from . import models
 from . import wizard
diff --git a/account_usability/__manifest__.py b/account_usability/__manifest__.py
index 9e81177..7a576d3 100644
--- a/account_usability/__manifest__.py
+++ b/account_usability/__manifest__.py
@@ -1,10 +1,10 @@
-# Copyright 2015-2019 Akretion (http://www.akretion.com)
+# Copyright 2015-2020 Akretion (http://www.akretion.com)
 # @author Alexis de Lattre <alexis.delattre@akretion.com>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
 {
     'name': 'Account Usability',
-    'version': '12.0.1.0.0',
+    'version': '14.0.1.0.0',
     'category': 'Accounting & Finance',
     'license': 'AGPL-3',
     'summary': 'Small usability enhancements in account module',
@@ -17,12 +17,18 @@
                            # in v12, I may create a module only for group_nobody
         ],
     'data': [
-        'account_view.xml',
-        'account_report.xml',
-        'account_invoice_report_view.xml',
-        'partner_view.xml',
+        'views/account_account_type.xml',
+        'views/account_account.xml',
+        'views/account_bank_statement.xml',
+        'views/account_invoice_report.xml',
+        'views/account_journal.xml',
+        'views/account_menu.xml',
+        'views/account_tax.xml',
+        'views/res_config_settings.xml',
+        'views/res_partner.xml',
+        'views/account_report.xml',
         'wizard/account_invoice_mark_sent_view.xml',
-        'report/invoice_report.xml',
+        'security/ir.model.access.csv',
         ],
-    'installable': False,
+    'installable': True,
 }
diff --git a/account_usability/account_invoice_report.py b/account_usability/account_invoice_report.py
deleted file mode 100644
index 566ca5c..0000000
--- a/account_usability/account_invoice_report.py
+++ /dev/null
@@ -1,26 +0,0 @@
-# Copyright 2018-2019 Akretion (http://www.akretion.com)
-# @author Alexis de Lattre <alexis.delattre@akretion.com>
-# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
-
-from odoo import models, fields
-
-
-class AccountInvoiceReport(models.Model):
-    _inherit = 'account.invoice.report'
-
-    number = fields.Char(string="Number", readonly=True)
-
-    def _sub_select(self):
-        select_str = super(AccountInvoiceReport, self)._sub_select()
-        select_str += ", ai.number"
-        return select_str
-
-    def _select(self):
-        select_str = super(AccountInvoiceReport, self)._select()
-        select_str += ", sub.number"
-        return select_str
-
-    def _group_by(self):
-        group_by_str = super(AccountInvoiceReport, self)._group_by()
-        group_by_str += ", ai.number"
-        return group_by_str
diff --git a/account_usability/account_report.xml b/account_usability/account_report.xml
deleted file mode 100644
index fc82136..0000000
--- a/account_usability/account_report.xml
+++ /dev/null
@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-  Copyright 2018-2019 Akretion (http://www.akretion.com/)
-  @author: Alexis de Lattre <alexis.delattre@akretion.com>
-  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
--->
-
-<odoo>
-
-<record id="account.account_invoices" model="ir.actions.report">
-    <!-- Don't attach on supplier invoices/refunds ! -->
-    <field name="attachment">(object.type in ('out_invoice', 'out_refund')) and (object.state in ('open','in_payment','paid')) and ('INV'+(object.number or '').replace('/','')+'.pdf')</field>
-</record>
-
-</odoo>
diff --git a/account_usability/account_view.xml b/account_usability/account_view.xml
deleted file mode 100644
index e9ce5fc..0000000
--- a/account_usability/account_view.xml
+++ /dev/null
@@ -1,619 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-  Copyright 2015-2019 Akretion France (http://www.akretion.com/)
-  @author: Alexis de Lattre <alexis.delattre@akretion.com>
-  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
--->
-
-<odoo>
-
-<!-- INVOICE -->
-<record id="invoice_supplier_form" model="ir.ui.view">
-    <field name="name">account_usability.supplier.invoice.form</field>
-    <field name="model">account.invoice</field>
-    <field name="inherit_id" ref="account.invoice_supplier_form"/>
-    <field name="arch" type="xml">
-        <field name="fiscal_position_id" position="attributes">
-            <attribute name="widget">selection</attribute>
-        </field>
-        <field name="incoterm_id" position="attributes">
-            <attribute name="widget">selection</attribute>
-        </field>
-        <field name="invoice_line_ids" position="before">
-            <button name="delete_lines_qty_zero" states="draft" string="⇒ Delete lines qty=0" type="object" class="oe_link oe_right" groups="account.group_account_invoice"/>
-        </field>
-        <xpath expr="//field[@name='tax_line_ids']/tree/field[@name='amount']" position="before">
-            <field name="base" readonly="1"/>
-        </xpath>
-    </field>
-</record>
-
-<record id="invoice_form" model="ir.ui.view">
-    <field name="name">account_usability.invoice.form</field>
-    <field name="model">account.invoice</field>
-    <field name="inherit_id" ref="account.invoice_form"/>
-    <field name="arch" type="xml">
-        <field name="fiscal_position_id" position="attributes">
-            <attribute name="widget">selection</attribute>
-        </field>
-        <field name="incoterm_id" position="attributes">
-            <attribute name="widget">selection</attribute>
-        </field>
-        <!-- move sent field and make it visible -->
-        <field name="sent" position="replace"/>
-        <field name="move_id" position="before">
-            <field name="sent"/>
-        </field>
-        <xpath expr="//field[@name='tax_line_ids']/tree/field[@name='amount']" position="before">
-            <field name="base" readonly="1"/>
-        </xpath>
-        <!-- Warning: there are 2 invoice_print buttons in the native view... probably a bug -->
-        <!--
-        <xpath expr="//button[@name='invoice_print']" position="attributes">
-            <attribute name="attrs">{'invisible': [('state', 'not in', ('open', 'paid'))]}</attribute>
-        </xpath>
-        <xpath expr="//button[@name='invoice_print'][2]" position="attributes">
-            <attribute name="attrs">{'invisible': True}</attribute>
-        </xpath> -->
-    </field>
-</record>
-
-<record id="invoice_tree" model="ir.ui.view">
-    <field name="name">account_usability.invoice_tree</field>
-    <field name="model">account.invoice</field>
-    <field name="inherit_id" ref="account.invoice_tree"/>
-    <field name="arch" type="xml">
-        <field name="reference" position="attributes">
-            <attribute name="invisible">not context.get('type') in ('in_invoice', 'in_refund')</attribute>
-        </field>
-    </field>
-</record>
-
-<record id="view_account_invoice_filter" model="ir.ui.view">
-    <field name="name">account_usability.invoice.search</field>
-    <field name="model">account.invoice</field>
-    <field name="inherit_id" ref="account.view_account_invoice_filter"/>
-    <field name="arch" type="xml">
-        <filter name="late" position="after">
-            <separator/>
-             <filter name="to_send" string="To Send" domain="[('sent', '=', False), ('state', 'in', ('open', 'paid'))]"/>
-             <filter name="sent" string="Sent" domain="[('sent', '=', True)]"/>
-            <separator/>
-            <filter name="no_attachment" string="Missing Attachment" domain="[('has_attachment', '=', False)]"/>
-         </filter>
-    </field>
-</record>
-
-<!-- Having a menu entry on invoice lines is often very usefull for odoo user:
-they can search in their lines, etc...
-So I enhance the generic views and add actions, but I don't add menu entries here ;
-the creation of the corresponding menu entry should be done in the customer-specifc
-module -->
-<record id="view_invoice_line_tree" model="ir.ui.view">
-    <field name="name">account_usability.invoice_line_tree</field>
-    <field name="model">account.invoice.line</field>
-    <field name="inherit_id" ref="account.view_invoice_line_tree"/>
-    <field name="arch" type="xml">
-        <field name="name" position="before">
-            <field name="partner_id" invisible="not context.get('show_invoice_fields')"/>
-            <field name="date_invoice" invisible="not context.get('show_invoice_fields')"/>
-            <field name="invoice_number" invisible="not context.get('show_invoice_fields')"/>
-        </field>
-        <field name="currency_id" position="after">
-            <field name="state" invisible="not context.get('show_invoice_fields')"/>
-            <field name="invoice_type" invisible="1"/>
-        </field>
-        <field name="quantity" position="attributes">
-            <attribute name="sum">1</attribute>
-        </field>
-        <xpath expr="/tree" position="attributes">
-            <attribute name="decoration-info">state == 'draft'</attribute>
-            <attribute name="decoration-muted">state == 'cancel'</attribute>
-            <attribute name="edit">0</attribute>
-            <attribute name="create">0</attribute>
-        </xpath>
-    </field>
-</record>
-
-<record id="account_invoice_line_search" model="ir.ui.view">
-    <field name="name">account_usability.invoice_line_search</field>
-    <field name="model">account.invoice.line</field>
-    <field name="arch" type="xml">
-        <search string="Search Invoice Lines">
-            <field name="partner_id"/>
-            <field name="product_id"/>
-            <field name="account_id"/>
-            <field name="invoice_number"/>
-            <field name="name"/>
-            <filter name="out_invoice" string="Customer Invoices"
-                domain="[('invoice_type', '=', 'out_invoice')]"/>
-            <filter name="out_refund" string="Customer Refunds"
-                domain="[('invoice_type', '=', 'out_refund')]"/>
-            <filter name="in_invoice" string="Supplier Invoices"
-                domain="[('invoice_type', '=', 'in_invoice')]"/>
-            <filter name="in_refund" string="Supplier Refunds"
-                domain="[('invoice_type', '=', 'in_refund')]"/>
-            <separator/>
-            <filter name="draft" string="Draft" domain="[('state', '=', 'draft')]"/>
-            <filter name="unpaid" string="Not Paid" domain="[('state', '=', 'open')]"/>
-            <filter name="paid" string="Paid" domain="[('state', '=', 'paid')]"/>
-
-            <group string="Group By" name="groupby">
-                <filter name="partner_groupby" string="Partner"
-                    context="{'group_by': 'partner_id'}"/>
-                <filter name="date_groupby" string="Invoice Date"
-                    context="{'group_by': 'date_invoice'}"/>
-                <filter name="product_groupby" string="Product"
-                    context="{'group_by': 'product_id'}"/>
-                <filter name="account_groupby" string="Account"
-                    context="{'group_by': 'account_id'}"/>
-            </group>
-        </search>
-    </field>
-</record>
-
-<record id="out_invoice_line_action" model="ir.actions.act_window">
-    <field name="name">Customer Invoice Lines</field>
-    <field name="res_model">account.invoice.line</field>
-    <field name="view_mode">tree,form</field>
-    <field name="domain">[('invoice_type', '=', 'out_invoice')]</field>
-    <field name="context">{'show_invoice_fields': True}</field>
-</record>
-
-<record id="out_refund_line_action" model="ir.actions.act_window">
-    <field name="name">Customer Refund Lines</field>
-    <field name="res_model">account.invoice.line</field>
-    <field name="view_mode">tree,form</field>
-    <field name="domain">[('invoice_type', '=', 'out_refund')]</field>
-    <field name="context">{'show_invoice_fields': True}</field>
-</record>
-
-<record id="out_invoice_refund_line_action" model="ir.actions.act_window">
-    <field name="name">Customer Invoice Lines</field>
-    <field name="res_model">account.invoice.line</field>
-    <field name="view_mode">tree,form</field>
-    <field name="domain">[('invoice_type', 'in', ('out_invoice', 'out_refund'))]</field>
-    <field name="context">{'show_invoice_fields': True}</field>
-</record>
-
-<record id="in_invoice_line_action" model="ir.actions.act_window">
-    <field name="name">Supplier Invoice Lines</field>
-    <field name="res_model">account.invoice.line</field>
-    <field name="view_mode">tree,form</field>
-    <field name="domain">[('invoice_type', '=', 'in_invoice')]</field>
-    <field name="context">{'show_invoice_fields': True}</field>
-</record>
-
-<record id="in_refund_line_action" model="ir.actions.act_window">
-    <field name="name">Supplier Refund Lines</field>
-    <field name="res_model">account.invoice.line</field>
-    <field name="view_mode">tree,form</field>
-    <field name="domain">[('invoice_type', '=', 'in_refund')]</field>
-    <field name="context">{'show_invoice_fields': True}</field>
-</record>
-
-<record id="in_invoice_refund_line_action" model="ir.actions.act_window">
-    <field name="name">Supplier Invoice Lines</field>
-    <field name="res_model">account.invoice.line</field>
-    <field name="view_mode">tree,form</field>
-    <field name="domain">[('invoice_type', 'in', ('in_invoice', 'in_refund'))]</field>
-    <field name="context">{'show_invoice_fields': True}</field>
-</record>
-
-<record id="account_invoice_report_tree" model="ir.ui.view">
-    <field name="name">usability.account.invoice.report.tree</field>
-    <field name="model">account.invoice.report</field>
-    <field name="arch" type="xml">
-        <tree string="Invoices Analysis">
-            <field name="date"/>
-            <field name="commercial_partner_id"/>
-            <field name="type"/>
-            <field name="product_id"/>
-            <field name="product_qty" sum="1"/>
-            <field name="price_total" sum="1"/>
-            <field name="state"/>
-            <field name="currency_id" invisible="1"/>
-            <field name="company_id" groups="base.group_multi_company"/>
-        </tree>
-    </field>
-</record>
-
-<record id="account.action_account_invoice_report_all_supp" model="ir.actions.act_window">
-    <field name="view_mode">pivot,graph,tree</field>
-    <field name="context">{'search_default_current':1, 'search_default_supplier':1, 'search_default_year': 1}</field>
-</record>
-
-<record id="account.action_account_invoice_report_all" model="ir.actions.act_window">
-    <field name="view_mode">pivot,graph,tree</field>
-    <field name="context">{'search_default_current':1, 'search_default_customer':1, 'search_default_year': 1}</field>
-</record>
-
-<record id="view_account_invoice_report_pivot" model="ir.ui.view">
-    <field name="name">usability.account.invoice.report.pivot</field>
-    <field name="model">account.invoice.report</field>
-    <field name="inherit_id" ref="account.view_account_invoice_report_pivot"/>
-    <field name="arch" type="xml">
-        <xpath expr="/pivot" position="attributes">
-            <attribute name="disable_linking"></attribute>
-        </xpath>
-    </field>
-</record>
-
-<record id="view_invoice_tax_form" model="ir.ui.view">
-    <field name="name">usability.account.invoice.tax.form</field>
-    <field name="model">account.invoice.tax</field>
-    <field name="inherit_id" ref="account.view_invoice_tax_form"/>
-    <field name="arch" type="xml">
-        <field name="name" position="after">
-            <field name="tax_id"/>
-        </field>
-    </field>
-</record>
-
-<record id="view_account_payment_form" model="ir.ui.view">
-    <field name="name">usability.account.payment.form</field>
-    <field name="model">account.payment</field>
-    <field name="inherit_id" ref="account.view_account_payment_form"/>
-    <field name="arch" type="xml">
-        <field name="communication" position="after">
-            <field name="payment_reference"/>
-        </field>
-    </field>
-</record>
-
-<!-- model account.move.line / Journal Items -->
-<record id="account.action_account_moves_all_a" model="ir.actions.act_window">
-    <field name="limit">200</field>
-    <!-- Win space, because there are already many columns -->
-    <field name="context">{'journal_show_code_only': True}</field>
-</record>
-
-<!-- replace group_account_manager on Journal Items-->
-<record id="account.menu_action_account_moves_all" model="ir.ui.menu">
-    <field name="groups_id" eval="[(6, 0, [ref('account.group_account_user')])]"/>
-</record>
-
-<!-- model account.move / Journal Entries -->
-<record id="account.action_move_journal_line" model="ir.actions.act_window">
-    <field name="limit">200</field>
-    <field name="context">{'view_no_maturity': True}</field>  <!-- Don't filter by default on misc journal -->
-</record>
-
-<record id="view_move_form" model="ir.ui.view">
-    <field name="name">account_usability.account_move_form</field>
-    <field name="model">account.move</field>
-    <field name="inherit_id" ref="account.view_move_form"/>
-    <field name="arch" type="xml">
-        <field name="journal_id" position="after">
-            <field name="default_move_line_name"/>
-            <field name="default_account_id" invisible="1"/>
-            <field name="default_credit" invisible="1"/>
-            <field name="default_debit" invisible="1"/>
-        </field>
-        <xpath expr="//field[@name='line_ids']" position="attributes">
-            <attribute name="context" operation="python_dict" key="default_name">default_move_line_name</attribute>
-            <attribute name="context" operation="python_dict" key="default_account_id">default_account_id</attribute>
-            <attribute name="context" operation="python_dict" key="default_credit">default_credit</attribute>
-            <attribute name="context" operation="python_dict" key="default_debit">default_debit</attribute>
-        </xpath>
-        <xpath expr="//field[@name='line_ids']/tree/field[@name='credit']" position="after">
-            <field name="reconcile_string"/>
-        </xpath>
-    </field>
-</record>
-
-<record id="view_account_move_line_filter" model="ir.ui.view">
-    <field name="name">account_usability.account_move_line_search</field>
-    <field name="model">account.move.line</field>
-    <field name="inherit_id" ref="account.view_account_move_line_filter"/>
-    <field name="arch" type="xml">
-        <field name="partner_id" position="after">
-            <field name="reconcile_string" />
-            <field name="debit" filter_domain="['|', ('debit', '=', self), ('credit', '=', self)]" string="Debit or Credit"/>
-        </field>
-        <filter name="unreconciled" position="before">
-            <filter name="reconciled" string="Fully Reconciled" domain="[('full_reconcile_id', '!=', False)]"/>
-<!--            <filter name="partial_reconciled" string="Partially Reconciled" domain="[('reconcile_partial_id', '!=', False)]"/> -->
-        </filter>
-        <filter name="unreconciled" position="attributes">
-            <attribute name="string">Unreconciled or Partially Reconciled</attribute>
-        </filter>
-        <field name="name" position="attributes">
-            <attribute name="string">Name or Reference</attribute>
-        </field>
-        <field name="partner_id" position="attributes">
-            <attribute name="domain">['|', ('parent_id', '=', False), ('is_company', '=', True)]</attribute>
-        </field>
-    </field>
-</record>
-
-<record id="view_move_line_form" model="ir.ui.view">
-    <field name="name">account_usability.account_move_line_form</field>
-    <field name="model">account.move.line</field>
-    <field name="inherit_id" ref="account.view_move_line_form"/>
-    <field name="arch" type="xml">
-        <field name="quantity" position="after">
-            <field name="product_id" />
-        </field>
-        <field name="move_id" position="after">
-            <field name="invoice_id"/>
-            <field name="account_reconcile" invisible="1"/>
-        </field>
-        <xpath expr="//field[@name='full_reconcile_id']/.." position="replace">
-            <field name="full_reconcile_id" nolabel="1"/>  <!-- label is already in view -->
-            <field name="matched_debit_ids" readonly="1" widget="many2many_tags" attrs="{'invisible': ['|', ('full_reconcile_id', '!=', False), ('matched_debit_ids', '=', [])]}"/>
-            <field name="matched_credit_ids" readonly="1" widget="many2many_tags" attrs="{'invisible': ['|', ('full_reconcile_id', '!=', False), ('matched_credit_ids', '=', [])]}"/>
-            <field name="reconciled" invisible="1"/>
-            <button name="open_reconcile_view" class="oe_link" type="object"
-                    string="-> View partially reconciled entries" colspan="2"
-                    attrs="{'invisible': ['|', ('full_reconcile_id', '!=', False), '&amp;', ('matched_debit_ids', '=', []), ('matched_credit_ids', '=', [])]}"/>
-            <span colspan="2" attrs="{'invisible': ['|', '|', ('full_reconcile_id', '!=', False), ('matched_debit_ids', '!=', []), ('matched_credit_ids', '!=', [])]}" class="o_form_field">No Partial Reconcile</span>
-        </xpath>
-        <xpath expr="//label[@for='full_reconcile_id']/.." position="attributes">
-            <attribute name="attrs">{'invisible': [('account_reconcile', '=', False)]}</attribute>
-        </xpath>
-    </field>
-</record>
-
-<record id="view_move_line_tree" model="ir.ui.view">
-    <field name="name">account_usability.account_move_line_tree</field>
-    <field name="model">account.move.line</field>
-    <field name="inherit_id" ref="account.view_move_line_tree"/>
-    <field name="arch" type="xml">
-        <field name="full_reconcile_id" position="attributes">
-            <attribute name="invisible">1</attribute>
-        </field>
-        <field name="credit" position="after">
-            <field name="balance" sum="Total Balance"/>
-            <field name="reconcile_string"/>
-        </field>
-        <field name="date_maturity" position="after">
-            <button name="show_account_move_form" type="object" icon="fa-arrows-h" string="Show Journal Entry"/>
-        </field>
-    </field>
-</record>
-
-<record id="view_account_move_filter" model="ir.ui.view">
-    <field name="name">account_usability.account_move_search</field>
-    <field name="model">account.move</field>
-    <field name="inherit_id" ref="account.view_account_move_filter"/>
-    <field name="arch" type="xml">
-        <field name="partner_id" position="attributes">
-            <attribute name="domain">['|', ('parent_id', '=', False), ('is_company', '=', True)]</attribute>
-        </field>
-    </field>
-</record>
-
-<record id="view_account_search" model="ir.ui.view">
-    <field name="name">account.account.search</field>
-    <field name="model">account.account</field>
-    <field name="inherit_id" ref="account.view_account_search"/>
-    <field name="arch" type="xml">
-        <!-- The native "name" filter uses a domain ['|', ('name','ilike',self), ('code','=like',str(self)+'%')]
-        This is good because it uses '=like' on 'code', but sometimes there are digits in account names,
-        so you get additionnal unexpected accounts in the result of the search -->
-        <field name="name" position="after">
-            <field name="code" filter_domain="[('code', '=like', str(self)+'%')]" string="Code"/>
-        </field>
-    </field>
-</record>
-
-<record id="view_account_type_tree" model="ir.ui.view">
-    <field name="name">account_usability.account_type_tree</field>
-    <field name="model">account.account.type</field>
-    <field name="inherit_id" ref="account.view_account_type_tree" />
-    <field name="arch"  type="xml">
-        <field name="type" position="after">
-            <field name="include_initial_balance" />
-        </field>
-    </field>
-</record>
-
-<record id="view_account_journal_form" model="ir.ui.view">
-    <field name="name">usability.account.journal.form</field>
-    <field name="model">account.journal</field>
-    <field name="inherit_id" ref="account.view_account_journal_form"/>
-    <field name="arch" type="xml">
-        <field name="bank_statements_source" position="after">
-            <field name="hide_bank_statement_balance" groups="account.group_account_user"/>
-        </field>
-    </field>
-</record>
-
-<record id="account_journal_dashboard_kanban_view" model="ir.ui.view">
-    <field name="name">usability.account.journal.dashboard</field>
-    <field name="model">account.journal</field>
-    <field name="inherit_id" ref="account.account_journal_dashboard_kanban_view"/>
-    <field name="arch"  type="xml">
-        <field name="kanban_dashboard" position="after">
-            <field name="hide_bank_statement_balance"/>
-        </field>
-        <xpath expr="//div[@name='latest_statement']/.." position="attributes">
-            <attribute name="t-if">dashboard.last_balance != dashboard.account_balance &amp;&amp; !record.hide_bank_statement_balance.raw_value</attribute>
-        </xpath>
-    </field>
-</record>
-
-<record id="view_account_journal_tree" model="ir.ui.view">
-    <field name="name">usability.account.journal.tree</field>
-    <field name="model">account.journal</field>
-    <field name="inherit_id" ref="account.view_account_journal_tree"/>
-    <field name="arch" type="xml">
-        <field name="name" position="after">
-            <field name="code"/>
-        </field>
-    </field>
-</record>
-
-<record id="view_account_journal_search" model="ir.ui.view">
-    <field name="name">usability.account.journal.search</field>
-    <field name="model">account.journal</field>
-    <field name="inherit_id" ref="account.view_account_journal_search"/>
-    <field name="arch"  type="xml">
-        <filter name="dashboard" position="after">
-            <group name="groupby" string="Group By">
-                <filter name="type_groupby" string="Type" context="{'group_by': 'type'}"/>
-            </group>
-        </filter>
-    </field>
-</record>
-
-<record id="view_bank_statement_form" model="ir.ui.view">
-    <field name="name">usability.account.bank.statement.form</field>
-    <field name="model">account.bank.statement</field>
-    <field name="inherit_id" ref="account.view_bank_statement_form"/>
-    <field name="arch" type="xml">
-        <xpath expr="//field[@name='line_ids']/tree/field[@name='bank_account_id']" position="after">
-            <!-- The cancel button is provided by the account_cancel module, but we don't want to depend on it -->
-            <button name="show_account_move" type="object"
-                string="View Account Move" icon="fa-arrow-right"
-                attrs="{'invisible': [('journal_entry_ids', '=', [])]}"/>
-        </xpath>
-        <field name="date" position="after">
-            <field name="start_date"/>
-            <field name="end_date"/>
-            <field name="hide_bank_statement_balance" invisible="1"/>
-        </field>
-        <field name="date" position="attributes">
-            <attribute name="invisible">1</attribute>
-        </field>
-        <label for="balance_start" position="attributes">
-            <attribute name="attrs">{'invisible': [('hide_bank_statement_balance', '=', True)]}</attribute>
-        </label>
-        <label for="balance_end_real" position="attributes">
-            <attribute name="attrs">{'invisible': [('hide_bank_statement_balance', '=', True)]}</attribute>
-        </label>
-        <xpath expr="//field[@name='balance_start']/.." position="attributes">
-            <attribute name="attrs">{'invisible': [('hide_bank_statement_balance', '=', True)]}</attribute>
-        </xpath>
-        <xpath expr="//field[@name='balance_end_real']/.." position="attributes">
-            <attribute name="attrs">{'invisible': [('hide_bank_statement_balance', '=', True)]}</attribute>
-        </xpath>
-        <group name="sale_total" position="attributes">
-            <attribute name="attrs">{'invisible': [('hide_bank_statement_balance', '=', True)]}</attribute>
-        </group>
-    </field>
-</record>
-
-<record id="view_bank_statement_tree" model="ir.ui.view">
-    <field name="name">usability.account.bank.statement.tree</field>
-    <field name="model">account.bank.statement</field>
-    <field name="inherit_id" ref="account.view_bank_statement_tree"/>
-    <field name="arch" type="xml">
-        <field name="date" position="attributes">
-            <attribute name="invisible">1</attribute>
-        </field>
-        <field name="journal_id" position="after">
-            <field name="start_date"/>
-            <field name="end_date"/>
-        </field>
-    </field>
-</record>
-
-<record id="view_bank_statement_search" model="ir.ui.view">
-    <field name="name">usability.account.bank.statement.search</field>
-    <field name="model">account.bank.statement</field>
-    <field name="inherit_id" ref="account.view_bank_statement_search"/>
-    <field name="arch" type="xml">
-        <field name="date" position="attributes">
-            <attribute name="invisible">1</attribute>
-        </field>
-        <field name="date" position="after">
-            <field name="start_date"/>
-            <field name="end_date"/>
-        </field>
-        <filter name="date" position="attributes">
-            <attribute name="invisible">1</attribute>
-        </filter>
-        <filter name="date" position="after">
-            <filter name="start_date_groupby" string="Start Date"
-                context="{'group_by': 'start_date'}"/>
-            <filter name="end_date_groupby" string="End Date"
-                context="{'group_by': 'end_date'}"/>
-        </filter>
-    </field>
-</record>
-
-<!-- ACCOUNT TAX -->
-<record id="view_tax_tree" model="ir.ui.view">
-    <field name="model">account.tax</field>
-    <field name="inherit_id" ref="account.view_tax_tree"/>
-    <field name="arch" type="xml">
-        <field name="company_id" position="before">
-            <field name="price_include" string="Include"/>
-        </field>
-    </field>
-</record>
-
-<!-- ACCOUNT TAX GROUP -->
-<!-- in the account module, there is nothing for account.tax.group : no form/tree view, no menu... -->
-<record id="account_tax_group_form" model="ir.ui.view">
-    <field name="name">usability.account.tax.group.form</field>
-    <field name="model">account.tax.group</field>
-    <field name="arch" type="xml">
-        <form string="Tax Group">
-            <group name="main">
-                <field name="name"/>
-                <field name="sequence" invisible="1"/>
-            </group>
-        </form>
-    </field>
-</record>
-
-<record id="account_tax_group_tree" model="ir.ui.view">
-    <field name="name">usability.account.tax.group.tree</field>
-    <field name="model">account.tax.group</field>
-    <field name="arch" type="xml">
-        <tree string="Tax Groups">
-            <field name="sequence" widget="handle"/>
-            <field name="name"/>
-        </tree>
-    </field>
-</record>
-
-<record id="account_tax_group_action" model="ir.actions.act_window">
-    <field name="name">Tax Groups</field>
-    <field name="res_model">account.tax.group</field>
-    <field name="view_mode">tree,form</field>
-</record>
-
-<menuitem id="account_tax_group_menu" action="account_tax_group_action" parent="account.account_account_menu" sequence="2"/>
-
-<!-- Account config page -->
-<record id="res_config_settings_view_form" model="ir.ui.view">
-    <field name="name">account_usability account config page</field>
-    <field name="model">res.config.settings</field>
-    <field name="inherit_id" ref="account.res_config_settings_view_form"/>
-    <field name="arch" type="xml">
-        <xpath expr="//field[@name='account_bank_reconciliation_start']/../.." position="after">
-            <div class="col-xs-12 col-md-6 o_setting_box">
-                <div class="o_setting_left_pane"/>
-                <div class="o_setting_right_pane">
-                    <label for="transfer_account_id"/>
-                    <div class="text-muted">
-                    Transit account when you transfer money from a bank account of your company to another bank account of your company.
-                    </div>
-                    <field name="transfer_account_id"/>
-                </div>
-            </div>
-        </xpath>
-    </field>
-</record>
-
-
-<!-- Remove menu entry "Accounting > Configuration > Accounting > Bank Accounts"
-(account.journal filtered on type = 'bank' with special tree and form view)
-because it is useless and confusing -->
-<record id="account.menu_action_account_bank_journal_form" model="ir.ui.menu">
-    <field name="groups_id" eval="[(6, 0, [ref('base_usability.group_nobody')])]"/>
-</record>
-
-<!-- Duplicate the menu "Sales > Configuration > Contacts > Bank Accounts"
-under "Accounting > Configuration", because most users will try to find it there -->
-<menuitem id="bank_account_account_config_menu" name="Bank Accounts" parent="account.menu_finance_configuration" sequence="9"/>
-
-<menuitem id="res_bank_account_config_menu" action="base.action_res_bank_form" parent="bank_account_account_config_menu" sequence="10"/>
-
-<menuitem id="res_partner_bank_account_config_menu" action="base.action_res_partner_bank_account_form" parent="bank_account_account_config_menu" sequence="20"/>
-
-</odoo>
diff --git a/account_usability/models/__init__.py b/account_usability/models/__init__.py
new file mode 100644
index 0000000..7a82e42
--- /dev/null
+++ b/account_usability/models/__init__.py
@@ -0,0 +1,9 @@
+from . import account_account
+from . import account_analytic_account
+from . import account_bank_statement
+from . import account_incoterms
+from . import account_invoice_report
+from . import account_journal
+from . import account_move
+from . import account_partial_reconcile
+from . import res_partner
diff --git a/account_usability/account.py b/account_usability/models/account.py
similarity index 87%
rename from account_usability/account.py
rename to account_usability/models/account.py
index ebd6186..bccef7a 100644
--- a/account_usability/account.py
+++ b/account_usability/models/account.py
@@ -1,8 +1,8 @@
-# Copyright 2015-2019 Akretion (http://www.akretion.com)
+# Copyright 2015-2020 Akretion (http://www.akretion.com)
 # @author Alexis de Lattre <alexis.delattre@akretion.com>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
-from odoo import models, fields, api, _
+from odoo import api, fields, models, _
 from odoo.tools import float_compare, float_is_zero
 from odoo.tools.misc import formatLang
 from odoo.exceptions import UserError, ValidationError
@@ -574,8 +574,8 @@ class AccountBankStatementLine(models.Model):
     #            search_reconciliation_proposition=search_rec_prop,
     #            context=context)
 
-    def _prepare_reconciliation_move(self, move_ref):
-        vals = super()._prepare_reconciliation_move(move_ref)
+#    def _prepare_reconciliation_move(self, move_ref):
+#        vals = super()._prepare_reconciliation_move(move_ref)
         # By default, ref contains the name of the statement + name of the
         # statement line. It causes 2 problems:
         # 1) The 'ref' field is too big
@@ -587,19 +587,19 @@ class AccountBankStatementLine(models.Model):
         # The only "good" thing to do would be to have a sequence per
         # statement line and write it in this 'ref' field
         # But that would required an additionnal field on statement lines
-        vals['ref'] = False
-        return vals
+#        vals['ref'] = False
+#        return vals
 
     def show_account_move(self):
         self.ensure_one()
-        action = self.env['ir.actions.act_window'].for_xml_id(
-            'account', 'action_move_line_form')
+        action = self.env.ref('account.action_move_line_form').read()[0]
+        # Note: this action is on account.move, not account.move.line !
         if self.journal_entry_ids:
             action.update({
                 'views': False,
                 'view_id': False,
                 'view_mode': 'form,tree',
-                'res_id': self.journal_entry_ids[0].move_id.id,
+                'res_id': self.move_id.id,
                 })
             return action
         else:
@@ -607,100 +607,57 @@ class AccountBankStatementLine(models.Model):
                 'No journal entry linked to this bank statement line.'))
 
 
-class AccountFiscalPosition(models.Model):
-    _inherit = 'account.fiscal.position'
+#class AccountFiscalPosition(models.Model):
+#    _inherit = 'account.fiscal.position'
 
-    # TODO mig to v12 ?
-    @api.model
-    def get_fiscal_position_no_partner(
-            self, company_id=None, vat_subjected=False, country_id=None):
-        '''This method is inspired by the method get_fiscal_position()
-        in odoo/addons/account/partner.py : it uses the same algo
-        but without a real partner.
-        Returns a recordset of fiscal position, or False'''
-        domains = [[
-            ('auto_apply', '=', True),
-            ('vat_required', '=', vat_subjected),
-            ('company_id', '=', company_id)]]
-        if vat_subjected:
-            domains += [[
-                ('auto_apply', '=', True),
-                ('vat_required', '=', False),
-                ('company_id', '=', company_id)]]
+    # TODO mig to v14 ?
+#    @api.model
+#    def get_fiscal_position_no_partner(
+#            self, company_id=None, vat_subjected=False, country_id=None):
+#        '''This method is inspired by the method get_fiscal_position()
+#        in odoo/addons/account/partner.py : it uses the same algo
+#        but without a real partner.
+#        Returns a recordset of fiscal position, or False'''
+#        domains = [[
+#            ('auto_apply', '=', True),
+#            ('vat_required', '=', vat_subjected),
+#            ('company_id', '=', company_id)]]
+#        if vat_subjected:
+#            domains += [[
+#                ('auto_apply', '=', True),
+#                ('vat_required', '=', False),
+#                ('company_id', '=', company_id)]]
 
-        for domain in domains:
-            if country_id:
-                fps = self.search(
-                    domain + [('country_id', '=', country_id)], limit=1)
-                if fps:
-                    return fps[0]
+#        for domain in domains:
+#            if country_id:
+#                fps = self.search(
+#                    domain + [('country_id', '=', country_id)], limit=1)
+#                if fps:
+#                    return fps[0]
 
-                fps = self.search(
-                    domain +
-                    [('country_group_id.country_ids', '=', country_id)],
-                    limit=1)
-                if fps:
-                    return fps[0]
+#                fps = self.search(
+#                    domain +
+#                    [('country_group_id.country_ids', '=', country_id)],
+#                    limit=1)
+#                if fps:
+#                    return fps[0]
 
-            fps = self.search(
-                domain +
-                [('country_id', '=', None), ('country_group_id', '=', None)],
-                limit=1)
-            if fps:
-                return fps[0]
-        return False
+#            fps = self.search(
+#                domain +
+#                [('country_id', '=', None), ('country_group_id', '=', None)],
+#                limit=1)
+#            if fps:
+#                return fps[0]
+#        return False
 
 
-class AccountReconcileModel(models.Model):
-    _inherit = 'account.reconcile.model'
+#class AccountReconcileModel(models.Model):
+#    _inherit = 'account.reconcile.model'
 
-    @api.onchange('name')
-    def onchange_name(self):
+#    @api.onchange('name')
+#    def onchange_name(self):
         # Do NOT copy by default name on label
         # Because it's much better to have the bank statement line label as
         # label of the counter-part move line, then the label of the button
-        assert True  # Stupid line of code just to have something...
+#        assert True  # Stupid line of code just to have something...
 
-
-class AccountIncoterms(models.Model):
-    _inherit = 'account.incoterms'
-
-    @api.depends('code', 'name')
-    def name_get(self):
-        res = []
-        for rec in self:
-            res.append((rec.id, '[%s] %s' % (rec.code, rec.name)))
-        return res
-
-
-class AccountReconciliation(models.AbstractModel):
-    _inherit = 'account.reconciliation.widget'
-
-    # Add ability to filter by account code in the work interface of the
-    # bank statement
-    @api.model
-    def _domain_move_lines(self, search_str):
-        str_domain = super()._domain_move_lines(search_str)
-        account_code_domain = [('account_id.code', '=ilike', search_str + '%')]
-        str_domain = expression.OR([str_domain, account_code_domain])
-        return str_domain
-
-    @api.model
-    def _domain_move_lines_for_reconciliation(
-            self, st_line, aml_accounts, partner_id,
-            excluded_ids=None, search_str=False):
-        domain = super()._domain_move_lines_for_reconciliation(
-            st_line, aml_accounts, partner_id,
-            excluded_ids=excluded_ids, search_str=search_str)
-        # We want to replace a domain item by another one
-        if ('payment_id', '<>', False) in domain:
-            position = domain.index(('payment_id', '<>', False))
-            domain[position] = ['journal_id', '=', st_line.journal_id.id]
-        return domain
-
-
-class ResConfigSettings(models.TransientModel):
-    _inherit = 'res.config.settings'
-
-    transfer_account_id = fields.Many2one(
-        related='company_id.transfer_account_id', readonly=False)
diff --git a/account_usability/models/account_account.py b/account_usability/models/account_account.py
new file mode 100644
index 0000000..45ad32b
--- /dev/null
+++ b/account_usability/models/account_account.py
@@ -0,0 +1,62 @@
+# Copyright 2015-2020 Akretion (http://www.akretion.com)
+# @author Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import api, fields, models, _
+from odoo.tools import float_compare, float_is_zero
+from odoo.tools.misc import formatLang
+from odoo.exceptions import UserError, ValidationError
+from odoo.osv import expression
+
+
+class AccountAccount(models.Model):
+    _inherit = 'account.account'
+
+    @api.depends('name', 'code')
+    def name_get(self):
+        if self._context.get('account_account_show_code_only'):
+            res = []
+            for record in self:
+                res.append((record.id, record.code))
+            return res
+        else:
+            return super().name_get()
+
+    # https://github.com/odoo/odoo/issues/23040
+    # TODO mig to v14 ?
+    def fix_bank_account_types(self):
+        aao = self.env['account.account']
+        companies = self.env['res.company'].search([])
+        if len(companies) > 1 and self.env.user.id != SUPERUSER_ID:
+            raise UserError(
+                "In multi-company setups, you should run this "
+                "script as admin user")
+        logger.info("START the script 'fix bank and cash account types'")
+        bank_type = self.env.ref('account.data_account_type_liquidity')
+        asset_type = self.env.ref('account.data_account_type_current_assets')
+        journals = self.env['account.journal'].search(
+            [('type', 'in', ('bank', 'cash'))], order='company_id')
+        journal_accounts_bank_type = aao
+        for journal in journals:
+            for account in [
+                    journal.default_credit_account_id,
+                    journal.default_debit_account_id]:
+                if account:
+                    if account.user_type_id != bank_type:
+                        account.user_type_id = bank_type.id
+                        logger.info(
+                            'Company %s: Account %s updated to Bank '
+                            'and Cash type',
+                            account.company_id.display_name, account.code)
+                    if account not in journal_accounts_bank_type:
+                        journal_accounts_bank_type += account
+        accounts = aao.search([
+            ('user_type_id', '=', bank_type.id)], order='company_id, code')
+        for account in accounts:
+            if account not in journal_accounts_bank_type:
+                account.user_type_id = asset_type.id
+                logger.info(
+                    'Company %s: Account %s updated to Current Asset type',
+                    account.company_id.display_name, account.code)
+        logger.info("END of the script 'fix bank and cash account types'")
+        return True
diff --git a/account_usability/models/account_analytic_account.py b/account_usability/models/account_analytic_account.py
new file mode 100644
index 0000000..6793bb2
--- /dev/null
+++ b/account_usability/models/account_analytic_account.py
@@ -0,0 +1,24 @@
+# Copyright 2015-2020 Akretion (http://www.akretion.com)
+# @author Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import api, fields, models, _
+
+
+class AccountAnalyticAccount(models.Model):
+    _inherit = 'account.analytic.account'
+
+    def name_get(self):
+        if self._context.get('analytic_account_show_code_only'):
+            res = []
+            for record in self:
+                res.append((record.id, record.code or record.name))
+            return res
+        else:
+            return super().name_get()
+
+    _sql_constraints = [(
+        'code_company_unique',
+        'unique(code, company_id)',
+        'An analytic account with the same code already '
+        'exists in the same company!')]
diff --git a/account_usability/models/account_bank_statement.py b/account_usability/models/account_bank_statement.py
new file mode 100644
index 0000000..cd140c7
--- /dev/null
+++ b/account_usability/models/account_bank_statement.py
@@ -0,0 +1,168 @@
+# Copyright 2015-2020 Akretion (http://www.akretion.com)
+# @author Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import api, fields, models, _
+from odoo.tools import float_compare, float_is_zero
+from odoo.tools.misc import format_date
+
+
+class AccountBankStatement(models.Model):
+    _inherit = 'account.bank.statement'
+
+    start_date = fields.Date(
+        compute='_compute_dates', string='Start Date', readonly=True,
+        store=True)
+    end_date = fields.Date(
+        compute='_compute_dates', string='End Date', readonly=True,
+        store=True)
+    hide_bank_statement_balance = fields.Boolean(
+        related='journal_id.hide_bank_statement_balance', readonly=True)
+
+    @api.depends('line_ids.date')
+    def _compute_dates(self):
+        for st in self:
+            dates = [line.date for line in st.line_ids]
+            st.start_date = dates and min(dates) or False
+            st.end_date = dates and max(dates) or False
+
+    def _check_balance_end_real_same_as_computed(self):
+        for stmt in self:
+            if stmt.hide_bank_statement_balance:
+                continue
+            else:
+                super(AccountBankStatement, stmt)._check_balance_end_real_same_as_computed()
+        return True
+
+    @api.depends('name', 'start_date', 'end_date')
+    def name_get(self):
+        res = []
+        for statement in self:
+            name = "%s (%s => %s)" % (
+                statement.name,
+                statement.start_date and format_date(self.env, statement.start_date) or '',
+                statement.end_date and format_date(self.env, statement.end_date) or '')
+            res.append((statement.id, name))
+        return res
+
+
+class AccountBankStatementLine(models.Model):
+    _inherit = 'account.bank.statement.line'
+    # Native order is:
+    # _order = 'statement_id desc, sequence, id desc'
+    _order = 'statement_id desc, date desc, sequence, id desc'
+
+    # Disable guessing for reconciliation
+    # because my experience with several customers shows that it is a problem
+    # in the following scenario : move line 'x' has been "guessed" by OpenERP
+    # to be reconciled with a statement line 'Y' at the end of the bank
+    # statement, but it is a mistake because it should be reconciled with
+    # statement line 'B' at the beginning of the bank statement
+    # When the user is on statement line 'B', he tries to select
+    # move line 'x', but it can't find it... because it is already "reserved"
+    # by the guess of OpenERP for statement line 'Y' ! To solve this problem,
+    # the user must go to statement line 'Y' and unselect move line 'x'
+    # and then come back on statement line 'B' and select move line 'A'...
+    # but non super-expert users can't do that because it is impossible to
+    # figure out that the fact that the user can't find move line 'x'
+    # is caused by this.
+    # Set search_reconciliation_proposition to False by default
+    # TODO: re-write in v10
+    # def get_data_for_reconciliations(
+    #        self, cr, uid, ids, excluded_ids=None,
+    #        search_reconciliation_proposition=False, context=None):
+    #    # Make variable name shorted for PEP8 !
+    #    search_rec_prop = search_reconciliation_proposition
+    #    return super().\
+    #        get_data_for_reconciliations(
+    #            cr, uid, ids, excluded_ids=excluded_ids,
+    #            search_reconciliation_proposition=search_rec_prop,
+    #            context=context)
+
+#    def _prepare_reconciliation_move(self, move_ref):
+#        vals = super()._prepare_reconciliation_move(move_ref)
+        # By default, ref contains the name of the statement + name of the
+        # statement line. It causes 2 problems:
+        # 1) The 'ref' field is too big
+        # 2) The name of the statement line is already written in the name of
+        # the move line -> not useful to have the info 2 times
+        # In the end, I think it's better to just put nothing (we could write
+        # the name of the statement which has the account number, but it
+        # doesn't bring any useful info to the accountant)
+        # The only "good" thing to do would be to have a sequence per
+        # statement line and write it in this 'ref' field
+        # But that would required an additionnal field on statement lines
+#        vals['ref'] = False
+#        return vals
+
+    def show_account_move(self):
+        self.ensure_one()
+        action = self.env.ref('account.action_move_line_form').read()[0]
+        # Note: this action is on account.move, not account.move.line !
+        if self.journal_entry_ids:
+            action.update({
+                'views': False,
+                'view_id': False,
+                'view_mode': 'form,tree',
+                'res_id': self.move_id.id,
+                })
+            return action
+        else:
+            raise UserError(_(
+                'No journal entry linked to this bank statement line.'))
+
+
+#class AccountFiscalPosition(models.Model):
+#    _inherit = 'account.fiscal.position'
+
+    # TODO mig to v14 ?
+#    @api.model
+#    def get_fiscal_position_no_partner(
+#            self, company_id=None, vat_subjected=False, country_id=None):
+#        '''This method is inspired by the method get_fiscal_position()
+#        in odoo/addons/account/partner.py : it uses the same algo
+#        but without a real partner.
+#        Returns a recordset of fiscal position, or False'''
+#        domains = [[
+#            ('auto_apply', '=', True),
+#            ('vat_required', '=', vat_subjected),
+#            ('company_id', '=', company_id)]]
+#        if vat_subjected:
+#            domains += [[
+#                ('auto_apply', '=', True),
+#                ('vat_required', '=', False),
+#                ('company_id', '=', company_id)]]
+
+#        for domain in domains:
+#            if country_id:
+#                fps = self.search(
+#                    domain + [('country_id', '=', country_id)], limit=1)
+#                if fps:
+#                    return fps[0]
+
+#                fps = self.search(
+#                    domain +
+#                    [('country_group_id.country_ids', '=', country_id)],
+#                    limit=1)
+#                if fps:
+#                    return fps[0]
+
+#            fps = self.search(
+#                domain +
+#                [('country_id', '=', None), ('country_group_id', '=', None)],
+#                limit=1)
+#            if fps:
+#                return fps[0]
+#        return False
+
+
+#class AccountReconcileModel(models.Model):
+#    _inherit = 'account.reconcile.model'
+
+#    @api.onchange('name')
+#    def onchange_name(self):
+        # Do NOT copy by default name on label
+        # Because it's much better to have the bank statement line label as
+        # label of the counter-part move line, then the label of the button
+#        assert True  # Stupid line of code just to have something...
+
diff --git a/account_usability/models/account_incoterms.py b/account_usability/models/account_incoterms.py
new file mode 100644
index 0000000..8e40c29
--- /dev/null
+++ b/account_usability/models/account_incoterms.py
@@ -0,0 +1,16 @@
+# Copyright 2015-2020 Akretion (http://www.akretion.com)
+# @author Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import api, fields, models
+
+
+class AccountIncoterms(models.Model):
+    _inherit = 'account.incoterms'
+
+    @api.depends('code', 'name')
+    def name_get(self):
+        res = []
+        for rec in self:
+            res.append((rec.id, '[%s] %s' % (rec.code, rec.name)))
+        return res
diff --git a/account_usability/models/account_invoice_report.py b/account_usability/models/account_invoice_report.py
new file mode 100644
index 0000000..558cc61
--- /dev/null
+++ b/account_usability/models/account_invoice_report.py
@@ -0,0 +1,26 @@
+# Copyright 2018-2019 Akretion (http://www.akretion.com)
+# @author Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import models, fields
+
+
+#class AccountInvoiceReport(models.Model):
+#    _inherit = 'account.invoice.report'
+
+#    number = fields.Char(string="Number", readonly=True)
+
+#    def _sub_select(self):
+#        select_str = super(AccountInvoiceReport, self)._sub_select()
+#        select_str += ", ai.number"
+#        return select_str
+
+#    def _select(self):
+#        select_str = super(AccountInvoiceReport, self)._select()
+#        select_str += ", sub.number"
+#        return select_str
+
+#    def _group_by(self):
+#        group_by_str = super(AccountInvoiceReport, self)._group_by()
+#        group_by_str += ", ai.number"
+#        return group_by_str
diff --git a/account_usability/models/account_journal.py b/account_usability/models/account_journal.py
new file mode 100644
index 0000000..cd1fc73
--- /dev/null
+++ b/account_usability/models/account_journal.py
@@ -0,0 +1,63 @@
+# Copyright 2015-2020 Akretion (http://www.akretion.com)
+# @author Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import api, fields, models, _
+from odoo.tools import float_compare, float_is_zero
+from odoo.tools.misc import formatLang
+from odoo.exceptions import UserError, ValidationError
+
+
+class AccountJournal(models.Model):
+    _inherit = 'account.journal'
+
+    hide_bank_statement_balance = fields.Boolean(
+        string='Hide Bank Statement Balance',
+        help="You may want to enable this option when your bank "
+        "journal is generated from a bank statement file that "
+        "doesn't handle start/end balance (QIF for instance) and "
+        "you don't want to enter the start/end balance manually: it "
+        "will prevent the display of wrong information in the accounting "
+        "dashboard and on bank statements.")
+
+    @api.depends(
+        'name', 'currency_id', 'company_id', 'company_id.currency_id', 'code')
+    def name_get(self):
+        res = []
+        if self._context.get('journal_show_code_only'):
+            for journal in self:
+                res.append((journal.id, journal.code))
+            return res
+        else:
+            for journal in self:
+                name = "[%s] %s" % (journal.code, journal.name)
+                if (
+                        journal.currency_id and
+                        journal.currency_id != journal.company_id.currency_id):
+                    name = "%s (%s)" % (name, journal.currency_id.name)
+                res.append((journal.id, name))
+            return res
+
+#    @api.constrains('default_credit_account_id', 'default_debit_account_id')
+#    def _check_account_type_on_bank_journal(self):
+#        bank_acc_type = self.env.ref('account.data_account_type_liquidity')
+#        for jrl in self:
+#            if jrl.type in ('bank', 'cash'):
+#                if (
+#                        jrl.default_debit_account_id and
+#                        jrl.default_debit_account_id.user_type_id !=
+#                        bank_acc_type):
+#                    raise ValidationError(_(
+#                        "On journal '%s', the default debit account '%s' "
+#                        "should be configured with Type = 'Bank and Cash'.")
+#                        % (jrl.display_name,
+#                           jrl.default_debit_account_id.display_name))
+#                if (
+#                        jrl.default_credit_account_id and
+#                        jrl.default_credit_account_id.user_type_id !=
+#                        bank_acc_type):
+#                    raise ValidationError(_(
+#                        "On journal '%s', the default credit account '%s' "
+#                        "should be configured with Type = 'Bank and Cash'.")
+#                        % (jrl.display_name,
+#                           jrl.default_credit_account_id.display_name))
diff --git a/account_usability/models/account_move.py b/account_usability/models/account_move.py
new file mode 100644
index 0000000..72c79df
--- /dev/null
+++ b/account_usability/models/account_move.py
@@ -0,0 +1,205 @@
+# Copyright 2015-2020 Akretion (http://www.akretion.com)
+# @author Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import api, fields, models, _
+from odoo.tools import float_compare, float_is_zero
+from odoo.tools.misc import formatLang
+from odoo.tools.misc import format_date
+from odoo.exceptions import UserError, ValidationError
+from odoo.osv import expression
+
+
+class AccountMove(models.Model):
+    _inherit = 'account.move'
+
+    default_move_line_name = fields.Char(
+        string='Default Label', states={'posted': [('readonly', True)]})
+    # By default, we can still modify "ref" when account move is posted
+    # which seems a bit lazy for me...
+    ref = fields.Char(states={'posted': [('readonly', True)]})
+    date = fields.Date(tracking=True)
+    invoice_date_due = fields.Date(tracking=True)
+    invoice_payment_term_id = fields.Many2one(tracking=True)
+    journal_id = fields.Many2one(tracking=True)
+    partner_bank_id = fields.Many2one(tracking=True)
+    fiscal_position_id = fields.Many2one(tracking=True)
+    amount_total = fields.Monetary(tracking=True)
+    # for invoice report
+    has_discount = fields.Boolean(
+        compute='_compute_has_discount', readonly=True)
+    # has_attachment is useful for those who use attachment to archive
+    # supplier invoices. It allows them to find supplier invoices
+    # that don't have any attachment
+    has_attachment = fields.Boolean(
+        compute='_compute_has_attachment',
+        search='_search_has_attachment', readonly=True)
+    sale_dates = fields.Char(
+        compute="_compute_sales_dates", readonly=True,
+        help="This information appears on invoice qweb report "
+             "(you may use it for your own report)")
+
+    def _compute_has_discount(self):
+        prec = self.env['decimal.precision'].precision_get('Discount')
+        for inv in self:
+            has_discount = False
+            for line in inv.invoice_line_ids:
+                if not line.display_type and not float_is_zero(line.discount, precision_digits=prec):
+                    has_discount = True
+                    break
+            inv.has_discount = has_discount
+
+    def _compute_has_attachment(self):
+        iao = self.env['ir.attachment']
+        for move in self:
+            if iao.search([
+                    ('res_model', '=', 'account.move'),
+                    ('res_id', '=', move.id),
+                    ('type', '=', 'binary'),
+                    ('company_id', '=', move.company_id.id)], limit=1):
+                inv.has_attachment = True
+            else:
+                inv.has_attachment = False
+
+    def _search_has_attachment(self, operator, value):
+        att_inv_ids = {}
+        if operator == '=':
+            search_res = self.env['ir.attachment'].search_read([
+                ('res_model', '=', 'account.move'),
+                ('type', '=', 'binary'),
+                ('res_id', '!=', False)], ['res_id'])
+            for att in search_res:
+                att_inv_ids[att['res_id']] = True
+        res = [('id', value and 'in' or 'not in', list(att_inv_ids))]
+        return res
+
+    # when you have an invoice created from a lot of sale orders, the 'name'
+    # field is very large, which makes the name_get() of that invoice very big
+    # which screws-up the form view of that invoice because of the link at the
+    # top of the screen
+    # That's why we have to cut the name_get() when it's too long
+    def name_get(self):
+        old_res = super().name_get()
+        res = []
+        for old_re in old_res:
+            name = old_re[1]
+            if name and len(name) > 100:
+                # nice cut
+                name = '%s ...' % ', '.join(name.split(', ')[:3])
+                # if not enough, hard cut
+                if len(name) > 120:
+                    name = '%s ...' % old_re[1][:120]
+            res.append((old_re[0], name))
+        return res
+
+    # I really hate to see a "/" in the 'name' field of the account.move.line
+    # generated from customer invoices linked to the partners' account because:
+    # 1) the label of an account move line is an important field, we can't
+    #    write a rubbish '/' in it !
+    # 2) the 'name' field of the account.move.line is used in the overdue
+    # letter, and '/' is not meaningful for our customer !
+# TODO mig to v12
+#    def action_move_create(self):
+#        res = super().action_move_create()
+#        for inv in self:
+#            self._cr.execute(
+#                "UPDATE account_move_line SET name= "
+#                "CASE WHEN name='/' THEN %s "
+#                "ELSE %s||' - '||name END "
+#                "WHERE move_id=%s", (inv.number, inv.number, inv.move_id.id))
+#            self.invalidate_cache()
+#        return res
+
+    def delete_lines_qty_zero(self):
+        lines = self.env['account.move.line'].search([
+            ('display_type', '=', False),
+            ('move_id', 'in', self.ids),
+            ('quantity', '=', 0)])
+        lines.unlink()
+        return True
+
+    # for report
+    def py3o_lines_layout(self):
+        self.ensure_one()
+        res = []
+        has_sections = False
+        subtotal = 0.0
+        sign = self.type == 'out_refund' and -1 or 1
+        for line in self.invoice_line_ids:
+            if line.display_type == 'line_section':
+                # insert line
+                if has_sections:
+                    res.append({'subtotal': subtotal})
+                subtotal = 0.0  # reset counter
+                has_sections = True
+            else:
+                if not line.display_type:
+                    subtotal += line.price_subtotal * sign
+            res.append({'line': line})
+        if has_sections:  # insert last subtotal line
+            res.append({'subtotal': subtotal})
+        # res:
+        # [
+        #    {'line': account_invoice_line(1) with display_type=='line_section'},
+        #    {'line': account_invoice_line(2) without display_type},
+        #    {'line': account_invoice_line(3) without display_type},
+        #    {'line': account_invoice_line(4) with display_type=='line_note'},
+        #    {'subtotal': 8932.23},
+        # ]
+        return res
+
+    def _compute_sales_dates(self):
+        """ French law requires to set sale order dates into invoice
+            returned string: "sale1 (date1), sale2 (date2) ..."
+        """
+        for inv in self:
+            sales = inv.invoice_line_ids.mapped(
+                'sale_line_ids').mapped('order_id')
+            lang = inv.partner_id.commercial_partner_id.lang
+            dates = ["%s (%s)" % (
+                     x.name, format_date(inv.env, self.date_order))
+                     for x in sales]
+            inv.sale_dates = ", ".join(dates)
+
+
+class AccountMoveLine(models.Model):
+    _inherit = 'account.move.line'
+    # Native order:
+    # _order = "date desc, move_name desc, id"
+    # Problem: when you manually create a journal entry, the
+    # order of the lines is inverted when you save ! It is quite annoying for
+    # the user...
+    _order = "date desc, id asc"
+
+    # In the 'account' module, we have related stored field for:
+    # name (move_name), date, ref, state (parent_state),
+    # journal_id, company_id, payment_id, statement_line_id,
+    account_reconcile = fields.Boolean(related='account_id.reconcile')
+    full_reconcile_id = fields.Many2one(string='Full Reconcile')
+    matched_debit_ids = fields.One2many(string='Partial Reconcile Debit')
+    matched_credit_ids = fields.One2many(string='Partial Reconcile Credit')
+    reconcile_string = fields.Char(
+        compute='_compute_reconcile_string', string='Reconcile', store=True)
+
+    def show_account_move_form(self):
+        self.ensure_one()
+        action = self.env.ref('account.action_move_line_form').read()[0]
+        action.update({
+            'res_id': self.move_id.id,
+            'view_id': False,
+            'views': False,
+            'view_mode': 'form,tree',
+        })
+        return action
+
+    @api.depends(
+            'full_reconcile_id', 'matched_debit_ids', 'matched_credit_ids')
+    def _compute_reconcile_string(self):
+        for line in self:
+            rec_str = False
+            if line.full_reconcile_id:
+                rec_str = line.full_reconcile_id.name
+            else:
+                rec_str = ', '.join([
+                    'a%d' % pr.id for pr in line.matched_debit_ids + line.matched_credit_ids])
+            line.reconcile_string = rec_str
diff --git a/account_usability/models/account_partial_reconcile.py b/account_usability/models/account_partial_reconcile.py
new file mode 100644
index 0000000..47fdecf
--- /dev/null
+++ b/account_usability/models/account_partial_reconcile.py
@@ -0,0 +1,22 @@
+# Copyright 2015-2020 Akretion (http://www.akretion.com)
+# @author Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import api, fields, models, _
+from odoo.tools.misc import formatLang
+
+
+class AccountPartialReconcile(models.Model):
+    _inherit = "account.partial.reconcile"
+    _rec_name = "id"
+
+    def name_get(self):
+        res = []
+        for rec in self:
+            # There is no seq for partial rec, so I simulate one with the ID
+            # Prefix for full rec: 'A' (upper case)
+            # Prefix for partial rec: 'a' (lower case)
+            amount_fmt = formatLang(self.env, rec.amount, currency_obj=rec.company_currency_id)
+            name = 'a%d (%s)' % (rec.id, amount_fmt)
+            res.append((rec.id, name))
+        return res
diff --git a/account_usability/models/res_partner.py b/account_usability/models/res_partner.py
new file mode 100644
index 0000000..031f216
--- /dev/null
+++ b/account_usability/models/res_partner.py
@@ -0,0 +1,12 @@
+# Copyright 2017-2020 Akretion France (https://akretion.com/)
+# @author: Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import fields, models
+
+
+class ResPartner(models.Model):
+    _inherit = 'res.partner'
+
+    invoice_warn = fields.Selection(tracking=True)
+    property_account_position_id = fields.Many2one(tracking=True)
diff --git a/account_usability/partner.py b/account_usability/partner.py
deleted file mode 100644
index d9c878a..0000000
--- a/account_usability/partner.py
+++ /dev/null
@@ -1,13 +0,0 @@
-# Copyright 2017-2019 Akretion France (https://akretion.com/)
-# @author: Alexis de Lattre <alexis.delattre@akretion.com>
-# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
-
-from odoo import models, fields
-
-
-class ResPartner(models.Model):
-    _inherit = 'res.partner'
-
-    invoice_warn = fields.Selection(track_visibility='onchange')
-    property_account_position_id = fields.Many2one(
-        track_visibility='onchange')
diff --git a/account_usability/security/ir.model.access.csv b/account_usability/security/ir.model.access.csv
new file mode 100644
index 0000000..78a27b3
--- /dev/null
+++ b/account_usability/security/ir.model.access.csv
@@ -0,0 +1,3 @@
+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+access_account_group_generate_full,Full access on account.group.generate,model_account_group_generate,account.group_account_manager,1,1,1,1
+access_account_invoice_mark_sent_full,Full access on account.invoice.mark.sent,model_account_invoice_mark_sent,account.group_account_invoice,1,1,1,1
diff --git a/account_usability/views/account_account.xml b/account_usability/views/account_account.xml
new file mode 100644
index 0000000..37c49c6
--- /dev/null
+++ b/account_usability/views/account_account.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2015-2020 Akretion France (http://www.akretion.com/)
+  @author: Alexis de Lattre <alexis.delattre@akretion.com>
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+-->
+
+<odoo>
+
+
+<record id="view_account_search" model="ir.ui.view">
+    <field name="name">account.account.search</field>
+    <field name="model">account.account</field>
+    <field name="inherit_id" ref="account.view_account_search"/>
+    <field name="arch" type="xml">
+        <!-- The native "name" filter uses a domain ['|', ('name','ilike',self), ('code','=like',str(self)+'%')]
+        This is good because it uses '=like' on 'code', but sometimes there are digits in account names,
+        so you get additionnal unexpected accounts in the result of the search -->
+        <field name="name" position="after">
+            <field name="code" filter_domain="[('code', '=like', str(self)+'%')]" string="Code"/>
+        </field>
+    </field>
+</record>
+
+
+</odoo>
diff --git a/account_usability/views/account_account_type.xml b/account_usability/views/account_account_type.xml
new file mode 100644
index 0000000..d094375
--- /dev/null
+++ b/account_usability/views/account_account_type.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2015-2020 Akretion France (http://www.akretion.com/)
+  @author: Alexis de Lattre <alexis.delattre@akretion.com>
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+-->
+
+<odoo>
+
+<record id="view_account_type_tree" model="ir.ui.view">
+    <field name="name">account_usability.account_type_tree</field>
+    <field name="model">account.account.type</field>
+    <field name="inherit_id" ref="account.view_account_type_tree" />
+    <field name="arch"  type="xml">
+        <field name="type" position="after">
+            <field name="include_initial_balance" />
+        </field>
+    </field>
+</record>
+
+</odoo>
diff --git a/account_usability/views/account_bank_statement.xml b/account_usability/views/account_bank_statement.xml
new file mode 100644
index 0000000..a08d5f1
--- /dev/null
+++ b/account_usability/views/account_bank_statement.xml
@@ -0,0 +1,91 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2015-2020 Akretion France (http://www.akretion.com/)
+  @author: Alexis de Lattre <alexis.delattre@akretion.com>
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+-->
+
+<odoo>
+
+
+<record id="view_bank_statement_form" model="ir.ui.view">
+    <field name="name">usability.account.bank.statement.form</field>
+    <field name="model">account.bank.statement</field>
+    <field name="inherit_id" ref="account.view_bank_statement_form"/>
+    <field name="arch" type="xml">
+        <xpath expr="//field[@name='line_ids']/tree/button[@name='button_undo_reconciliation']" position="after">
+            <field name="move_id" invisible="1"/>
+            <button name="show_account_move" type="object"
+                string="View Account Move" icon="fa-arrow-right"
+                attrs="{'invisible': [('move_id', '=', False)]}"/>
+        </xpath>
+        <field name="date" position="after">
+            <field name="start_date"/>
+            <field name="end_date"/>
+            <field name="hide_bank_statement_balance" invisible="1"/>
+        </field>
+        <field name="date" position="attributes">
+            <attribute name="invisible">1</attribute>
+        </field>
+        <label for="balance_start" position="attributes">
+            <attribute name="attrs">{'invisible': [('hide_bank_statement_balance', '=', True)]}</attribute>
+        </label>
+        <label for="balance_end_real" position="attributes">
+            <attribute name="attrs">{'invisible': [('hide_bank_statement_balance', '=', True)]}</attribute>
+        </label>
+        <xpath expr="//field[@name='balance_start']/.." position="attributes">
+            <attribute name="attrs">{'invisible': [('hide_bank_statement_balance', '=', True)]}</attribute>
+        </xpath>
+        <xpath expr="//field[@name='balance_end_real']/.." position="attributes">
+            <attribute name="attrs">{'invisible': [('hide_bank_statement_balance', '=', True)]}</attribute>
+        </xpath>
+        <group name="sale_total" position="attributes">
+            <attribute name="attrs">{'invisible': [('hide_bank_statement_balance', '=', True)]}</attribute>
+        </group>
+    </field>
+</record>
+
+<record id="view_bank_statement_tree" model="ir.ui.view">
+    <field name="name">usability.account.bank.statement.tree</field>
+    <field name="model">account.bank.statement</field>
+    <field name="inherit_id" ref="account.view_bank_statement_tree"/>
+    <field name="arch" type="xml">
+        <field name="date" position="attributes">
+            <attribute name="invisible">1</attribute>
+        </field>
+        <field name="journal_id" position="after">
+            <field name="start_date"/>
+            <field name="end_date"/>
+        </field>
+    </field>
+</record>
+
+<record id="view_bank_statement_search" model="ir.ui.view">
+    <field name="name">usability.account.bank.statement.search</field>
+    <field name="model">account.bank.statement</field>
+    <field name="inherit_id" ref="account.view_bank_statement_search"/>
+    <field name="arch" type="xml">
+        <field name="date" position="attributes">
+            <attribute name="invisible">1</attribute>
+        </field>
+        <filter name="filter_date" position="attributes">
+            <attribute name="invisible">1</attribute>
+        </filter>
+        <filter name="date" position="attributes">
+            <attribute name="invisible">1</attribute>
+        </filter>
+        <field name="date" position="after">
+            <field name="start_date"/>
+            <field name="end_date"/>
+        </field>
+        <filter name="date" position="after">
+            <filter name="start_date_groupby" string="Start Date"
+                context="{'group_by': 'start_date'}"/>
+            <filter name="end_date_groupby" string="End Date"
+                context="{'group_by': 'end_date'}"/>
+        </filter>
+    </field>
+</record>
+
+
+</odoo>
diff --git a/account_usability/account_invoice_report_view.xml b/account_usability/views/account_invoice_report.xml
similarity index 67%
rename from account_usability/account_invoice_report_view.xml
rename to account_usability/views/account_invoice_report.xml
index 866a705..77fda85 100644
--- a/account_usability/account_invoice_report_view.xml
+++ b/account_usability/views/account_invoice_report.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-  Copyright 2018 Akretion (http://www.akretion.com/)
+  Copyright 2018-2020 Akretion (http://www.akretion.com/)
   @author: Alexis de Lattre <alexis.delattre@akretion.com>
   License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 -->
@@ -13,27 +13,27 @@
     <field name="model">account.invoice.report</field>
     <field name="arch" type="xml">
         <tree string="Invoices Analysis">
-            <field name="number"/>
-            <field name="date"/>
-            <field name="date_due"/>
-            <field name="type"/>
+            <field name="move_id"/>
+            <field name="invoice_date"/>
+            <field name="invoice_date_due"/>
+            <field name="move_type"/>
             <field name="commercial_partner_id"/>
-            <field name="user_id"/>
+            <field name="invoice_user_id"/>
             <field name="product_id"/>
-            <field name="product_qty" sum="1"/>
-            <field name="uom_name" groups="uom.group_uom"/>
-            <field name="price_total" sum="1"/>
+            <field name="quantity" sum="1"/>
+            <field name="product_uom_id" groups="uom.group_uom"/>
+            <field name="price_subtotal" sum="1"/>
             <field name="state"/>
         </tree>
     </field>
 </record>
 
 <record id="account.action_account_invoice_report_all_supp" model="ir.actions.act_window">
-    <field name="context">{'search_default_current': 1, 'search_default_supplier': 1, 'search_default_year': 1}</field>  <!-- Remove group_by_no_leaf, which breaks tree view -->
+    <field name="context">{'search_default_current': 1, 'search_default_supplier': 1, 'group_by': ['invoice_date']}</field>  <!-- Remove group_by_no_leaf, which breaks tree view -->
 </record>
 
 <record id="account.action_account_invoice_report_all" model="ir.actions.act_window">
-    <field name="context">{'search_default_current': 1, 'search_default_customer': 1, 'search_default_year': 1}</field>  <!-- Remove group_by_no_leaf, which breaks tree view -->
+    <field name="context">{'search_default_current': 1, 'search_default_customer': 1, 'group_by': ['invoice_date']}</field>  <!-- Remove group_by_no_leaf, which breaks tree view -->
 </record>
 
 <record id="view_account_invoice_report_pivot" model="ir.ui.view">
diff --git a/account_usability/views/account_journal.xml b/account_usability/views/account_journal.xml
new file mode 100644
index 0000000..eb864fa
--- /dev/null
+++ b/account_usability/views/account_journal.xml
@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2015-2020 Akretion France (http://www.akretion.com/)
+  @author: Alexis de Lattre <alexis.delattre@akretion.com>
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+-->
+
+<odoo>
+
+<record id="view_account_journal_form" model="ir.ui.view">
+    <field name="name">usability.account.journal.form</field>
+    <field name="model">account.journal</field>
+    <field name="inherit_id" ref="account.view_account_journal_form"/>
+    <field name="arch" type="xml">
+        <field name="bank_statements_source" position="after">
+            <field name="hide_bank_statement_balance" groups="account.group_account_readonly"/>
+        </field>
+    </field>
+</record>
+
+<record id="account_journal_dashboard_kanban_view" model="ir.ui.view">
+    <field name="name">usability.account.journal.dashboard</field>
+    <field name="model">account.journal</field>
+    <field name="inherit_id" ref="account.account_journal_dashboard_kanban_view"/>
+    <field name="arch"  type="xml">
+        <field name="kanban_dashboard" position="after">
+            <field name="hide_bank_statement_balance"/>
+        </field>
+        <xpath expr="//div[@name='latest_statement']/.." position="attributes">
+            <attribute name="t-if">dashboard.has_at_least_one_statement and dashboard.account_balance != dashboard.last_balance and !record.hide_bank_statement_balance.raw_value</attribute>
+        </xpath>
+    </field>
+</record>
+
+<record id="view_account_journal_tree" model="ir.ui.view">
+    <field name="name">usability.account.journal.tree</field>
+    <field name="model">account.journal</field>
+    <field name="inherit_id" ref="account.view_account_journal_tree"/>
+    <field name="arch" type="xml">
+        <field name="name" position="after">
+            <field name="code" optional="show"/>
+        </field>
+    </field>
+</record>
+
+<record id="view_account_journal_search" model="ir.ui.view">
+    <field name="name">usability.account.journal.search</field>
+    <field name="model">account.journal</field>
+    <field name="inherit_id" ref="account.view_account_journal_search"/>
+    <field name="arch"  type="xml">
+        <filter name="inactive" position="after">
+            <group name="groupby" string="Group By">
+                <filter name="type_groupby" string="Type" context="{'group_by': 'type'}"/>
+            </group>
+        </filter>
+    </field>
+</record>
+
+</odoo>
diff --git a/account_usability/views/account_menu.xml b/account_usability/views/account_menu.xml
new file mode 100644
index 0000000..de32670
--- /dev/null
+++ b/account_usability/views/account_menu.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2015-2020 Akretion France (http://www.akretion.com/)
+  @author: Alexis de Lattre <alexis.delattre@akretion.com>
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+-->
+
+<odoo>
+
+<!-- Duplicate the menu "Sales > Configuration > Contacts > Bank Accounts"
+under "Accounting > Configuration", because most users will try to find it there -->
+<menuitem id="bank_account_account_config_menu" name="Bank Accounts" parent="account.menu_finance_configuration" sequence="9"/>
+
+<menuitem id="res_bank_account_config_menu" action="base.action_res_bank_form" parent="bank_account_account_config_menu" sequence="10"/>
+
+<menuitem id="res_partner_bank_account_config_menu" action="base.action_res_partner_bank_account_form" parent="bank_account_account_config_menu" sequence="20"/>
+
+</odoo>
diff --git a/account_usability/views/account_report.xml b/account_usability/views/account_report.xml
new file mode 100644
index 0000000..15b93ec
--- /dev/null
+++ b/account_usability/views/account_report.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2018-2020 Akretion (http://www.akretion.com/)
+  @author: Alexis de Lattre <alexis.delattre@akretion.com>
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+-->
+
+<odoo>
+
+<record id="account.account_invoices" model="ir.actions.report">
+    <!-- Attach only on customer invoices/refunds -->
+    <field name="attachment">(object.move_type in ('out_invoice', 'out_refund')) and (object.state == 'posted') and ((object.name or 'INV').replace('/','_')+'.pdf')</field>
+</record>
+
+<record id="account.account_invoices_without_payment" model="ir.actions.report">
+    <!-- Attach only on customer invoices/refunds -->
+    <field name="attachment">(object.move_type in ('out_invoice', 'out_refund')) and (object.state == 'posted') and ((object.name or 'INV').replace('/','_')+'.pdf')</field>
+</record>
+
+
+</odoo>
diff --git a/account_usability/views/account_tax.xml b/account_usability/views/account_tax.xml
new file mode 100644
index 0000000..3039536
--- /dev/null
+++ b/account_usability/views/account_tax.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2015-2020 Akretion France (http://www.akretion.com/)
+  @author: Alexis de Lattre <alexis.delattre@akretion.com>
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+-->
+
+<odoo>
+
+<record id="view_tax_tree" model="ir.ui.view">
+    <field name="model">account.tax</field>
+    <field name="inherit_id" ref="account.view_tax_tree"/>
+    <field name="arch" type="xml">
+        <field name="description" position="after">
+            <field name="price_include" optional="show"/>
+        </field>
+    </field>
+</record>
+
+</odoo>
diff --git a/account_usability/views/res_config_settings.xml b/account_usability/views/res_config_settings.xml
new file mode 100644
index 0000000..b2cd024
--- /dev/null
+++ b/account_usability/views/res_config_settings.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2015-2020 Akretion France (http://www.akretion.com/)
+  @author: Alexis de Lattre <alexis.delattre@akretion.com>
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+-->
+
+<odoo>
+
+<record id="res_config_settings_view_form" model="ir.ui.view">
+    <field name="name">account_usability account config page</field>
+    <field name="model">res.config.settings</field>
+    <field name="inherit_id" ref="account.res_config_settings_view_form"/>
+    <field name="arch" type="xml">
+        <xpath expr="//div[@id='bank_cash']" position="inside">
+            <div class="col-xs-12 col-md-6 o_setting_box" id="transfer_account">
+                <div class="o_setting_left_pane"/>
+                <div class="o_setting_right_pane">
+                    <label for="transfer_account_id"/>
+                    <div class="text-muted">
+                    Transit account when you transfer money from a bank account of your company to another bank account of your company.
+                    </div>
+                    <field name="transfer_account_id"/>
+                </div>
+            </div>
+        </xpath>
+    </field>
+</record>
+
+
+</odoo>
diff --git a/account_usability/partner_view.xml b/account_usability/views/res_partner.xml
similarity index 91%
rename from account_usability/partner_view.xml
rename to account_usability/views/res_partner.xml
index e2b0970..b2e0391 100644
--- a/account_usability/partner_view.xml
+++ b/account_usability/views/res_partner.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-  Copyright 2017-2019 Akretion (http://www.akretion.com/)
+  Copyright 2017-2020 Akretion (http://www.akretion.com/)
   @author: Alexis de Lattre <alexis.delattre@akretion.com>
   License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 -->
diff --git a/account_usability/wizard/__init__.py b/account_usability/wizard/__init__.py
index 1d3dd71..d3160f4 100644
--- a/account_usability/wizard/__init__.py
+++ b/account_usability/wizard/__init__.py
@@ -1,2 +1,4 @@
 from . import account_invoice_mark_sent
 from . import account_move_reversal
+from . import res_config_settings
+from . import account_group_generate
diff --git a/account_usability/wizard/account_group_generate.py b/account_usability/wizard/account_group_generate.py
new file mode 100644
index 0000000..b0260c4
--- /dev/null
+++ b/account_usability/wizard/account_group_generate.py
@@ -0,0 +1,60 @@
+# Copyright 2015-2020 Akretion (http://www.akretion.com)
+# @author Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import api, fields, models, _
+from odoo.exceptions import UserError
+
+
+class AccountGroupGenerate(models.TransientModel):
+    _name = 'account.group.generate'
+    _description = 'Generate Account Groups'
+
+    name_prefix = fields.Char(string='Prefix', required=True, default='Comptes')
+    level = fields.Integer(default=2, required=True)
+
+    def run(self):
+        if self.level < 1:
+            raise UserError(_("The level must be >= 1."))
+        assert isinstance(level, int)
+        ago = self.env['account.group']
+        company = self.env.company
+        groups = ago.search([('company_id', '=', company.id)])
+        if groups:
+            raise UserError(_(
+                "%d account groups already exists in company '%s'. This wizard is "
+                "designed to generate account groups from scratch.")
+                % (len(groups), company.display_name))
+        accounts = self.search([('company_id', '=', company.id)])
+        struct = {'childs': {}}
+        for account in accounts:
+            if len(account.code) <= self.level:
+                raise UserError(_(
+                    "The code of account '%s' is %d caracters. "
+                    "It cannot be inferior to level (%d).")
+                    % (account.display_name, len(account.code), self.level))
+            n = 1
+            parent = struct
+            gparent = False
+            while n <= level:
+                group_code = account.code[:n]
+                if group_code not in parent['childs']:
+                    new_group = ago.create({
+                        'name': '%s %s' % (name_prefix or '', group_code),
+                        'code_prefix_start': group_code,
+                        'parent_id': gparent and gparent.id or False,
+                        'company_id': company.id,
+                        })
+                    parent['childs'][group_code] = {'obj': new_group, 'childs': {}}
+                parent = parent['childs'][group_code]
+                gparent = parent['obj']
+                n += 1
+            account.write({'group_id': gparent.id})
+        action = {
+            'type': 'ir.actions.act_window',
+            'name': _('Account Groups'),
+            'view_mode': 'tree,form',
+            'res_model': 'account.group',
+            }
+        return action
+
diff --git a/account_usability/wizard/account_group_generate_view.xml b/account_usability/wizard/account_group_generate_view.xml
new file mode 100644
index 0000000..1044314
--- /dev/null
+++ b/account_usability/wizard/account_group_generate_view.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2020 Akretion France (http://www.akretion.com/)
+  @author: Alexis de Lattre <alexis.delattre@akretion.com>
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+-->
+
+<odoo>
+
+<record id="account_group_generate_form" model="ir.ui.view">
+    <field name="name">account.group.generate.form</field>
+    <field name="model">account.group.generate</field>
+    <field name="arch"  type="xml">
+        <form string="Generate account groups">
+            <p>
+                This wizard is designed to auto-generate account groups from the chart of account.
+            </p>
+            <group name="main">
+                <field name="name_prefix"/>
+                <field name="level"/>
+            <footer>
+                <button type="object" name="run" string="Generate" class="btn-primary"/>
+                <button special="cancel" string="Cancel"/>
+            </footer>
+        </form>
+    </field>
+</record>
+
+<record id="account_group_generate_action" model="ir.actions.act_window">
+    <field name="name">Generate Account Groups</field>
+    <field name="res_model">account.group.generate</field>
+    <field name="view_mode">form</field>
+    <field name="target">new</field>
+</record>
+
+<menuitem id="account_group_generate_menu"
+        action="account_group_generate_action"
+        parent="account.account_account_menu"
+        sequence="52"/>
+
+</odoo>
diff --git a/account_usability/wizard/account_invoice_mark_sent.py b/account_usability/wizard/account_invoice_mark_sent.py
index b3101f8..971ba69 100644
--- a/account_usability/wizard/account_invoice_mark_sent.py
+++ b/account_usability/wizard/account_invoice_mark_sent.py
@@ -1,4 +1,4 @@
-# Copyright 2017-2019 Akretion France (https://akretion.com/en)
+# Copyright 2017-2020 Akretion France (https://akretion.com/en)
 # @author: Alexis de Lattre <alexis.delattre@akretion.com>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
@@ -12,12 +12,13 @@ class AccountInvoiceMarkSent(models.TransientModel):
     _description = 'Mark invoices as sent'
 
     def run(self):
-        assert self.env.context.get('active_model') == 'account.invoice',\
+        assert self.env.context.get('active_model') == 'account.move',\
             'Source model must be invoices'
         assert self.env.context.get('active_ids'), 'No invoices selected'
-        invoices = self.env['account.invoice'].search([
+        invoices = self.env['account.move'].search([
             ('id', 'in', self.env.context.get('active_ids')),
-            ('state', 'in', ('open', 'paid'))])
-        invoices.write({'sent': True})
+            ('move_type', 'in', ('out_invoice', 'out_refund')),
+            ('state', '=', 'posted')])
+        invoices.write({'is_move_sent': True})
         logger.info('Marking invoices with ID %s as sent', invoices.ids)
         return
diff --git a/account_usability/wizard/account_invoice_mark_sent_view.xml b/account_usability/wizard/account_invoice_mark_sent_view.xml
index d468fa9..20ff724 100644
--- a/account_usability/wizard/account_invoice_mark_sent_view.xml
+++ b/account_usability/wizard/account_invoice_mark_sent_view.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-  Copyright 2017-2019 Akretion France
+  Copyright 2017-2020 Akretion France
   @author: Alexis de Lattre <alexis.delattre@akretion.com>
   License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 -->
@@ -23,14 +23,13 @@
     </field>
 </record>
 
-<act_window id="account_invoice_mark_sent_action"
-            multi="True"
-            key2="client_action_multi"
-            name="Mark as Sent"
-            res_model="account.invoice.mark.sent"
-            src_model="account.invoice"
-            view_mode="form"
-            target="new"
-            groups="account.group_account_invoice" />
+<record id="account_invoice_mark_sent_action" model="ir.actions.act_window">
+    <field name="name">Mark as Sent</field>
+    <field name="res_model">account.invoice.mark.sent</field>
+    <field name="view_mode">form</field>
+    <field name="target">new</field>
+    <field name="binding_model_id" ref="account.model_account_move" />
+    <field name="binding_view_types">list</field>
+</record>
 
 </odoo>
diff --git a/account_usability/wizard/account_move_reversal.py b/account_usability/wizard/account_move_reversal.py
index 0dc7f08..aebfe4b 100644
--- a/account_usability/wizard/account_move_reversal.py
+++ b/account_usability/wizard/account_move_reversal.py
@@ -1,4 +1,4 @@
-# Copyright 2018-2019 Akretion France (https://akretion.com/)
+# Copyright 2018-2020 Akretion France (https://akretion.com/)
 # @author: Alexis de Lattre <alexis.delattre@akretion.com>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
@@ -16,9 +16,7 @@ class AccountMoveReversal(models.TransientModel):
                 self._context.get('active_model') == 'account.move' and
                 self._context.get('active_id')):
             move = self.env['account.move'].browse(self._context['active_id'])
-            date_dt = fields.Date.from_string(move.date) +\
-                relativedelta(days=1)
-            date = fields.Date.to_string(date_dt)
-        return date
+            date_dt = move.date + relativedelta(days=1)
+        return date_dt
 
     date = fields.Date(default=_default_date)
diff --git a/account_usability/wizard/res_config_settings.py b/account_usability/wizard/res_config_settings.py
new file mode 100644
index 0000000..0caf9a0
--- /dev/null
+++ b/account_usability/wizard/res_config_settings.py
@@ -0,0 +1,12 @@
+# Copyright 2015-2020 Akretion (http://www.akretion.com)
+# @author Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import fields, models
+
+
+class ResConfigSettings(models.TransientModel):
+    _inherit = 'res.config.settings'
+
+    transfer_account_id = fields.Many2one(
+        related='company_id.transfer_account_id', readonly=False)
diff --git a/sale_usability/models/sale_order.py b/sale_usability/models/sale_order.py
index b108a1e..c767d71 100644
--- a/sale_usability/models/sale_order.py
+++ b/sale_usability/models/sale_order.py
@@ -83,7 +83,7 @@ class SaleOrderLine(models.Model):
                 'title': _('Price updated'),
                 'message': _(
                     "Due to the update of the ordered quantity on line '%s', "
-                    "the price has been updated according to pricelist %s.\n"
+                    "the price has been updated according to pricelist '%s'.\n"
                     "Old price: %s\n"
                     "New price: %s") % (
                         self.name,