diff --git a/sale_stock_usability/__init__.py b/sale_stock_usability/__init__.py
new file mode 100644
index 0000000..7aa13ee
--- /dev/null
+++ b/sale_stock_usability/__init__.py
@@ -0,0 +1,3 @@
+# -*- coding: utf-8 -*-
+
+from . import sale_stock
diff --git a/sale_stock_usability/__openerp__.py b/sale_stock_usability/__openerp__.py
new file mode 100644
index 0000000..841375b
--- /dev/null
+++ b/sale_stock_usability/__openerp__.py
@@ -0,0 +1,45 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    Sale Stock Usability module for Odoo
+#    Copyright (C) 2015 Akretion (http://www.akretion.com)
+#    @author Alexis de Lattre <alexis.delattre@akretion.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+##############################################################################
+
+
+{
+    'name': 'Sale Stock Usability',
+    'version': '0.2',
+    'category': 'Sales Management',
+    'license': 'AGPL-3',
+    'summary': 'use management',
+    'description': """
+Sale Stock Usability
+====================
+
+The usability enhancements include:
+
+* *To invoice* filter on pickings filters on invoice_state = 2binvoiced AND state = done
+
+This module has been written by Alexis de Lattre from Akretion <alexis.delattre@akretion.com>.
+    """,
+    'author': 'Akretion',
+    'website': 'http://www.akretion.com',
+    'depends': ['sale_stock'],
+    'data': ['sale_stock_view.xml'],
+    'installable': True,
+}
diff --git a/sale_stock_usability/sale_stock.py b/sale_stock_usability/sale_stock.py
new file mode 100644
index 0000000..2f706e2
--- /dev/null
+++ b/sale_stock_usability/sale_stock.py
@@ -0,0 +1,30 @@
+# -*- encoding: utf-8 -*-
+##############################################################################
+#
+#    Sale Usability Extension module for Odoo
+#    Copyright (C) 2015 Akretion (http://www.akretion.com)
+#    @author Alexis de Lattre <alexis.delattre@akretion.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+##############################################################################
+
+from openerp import models, fields
+
+
+class SaleOrder(models.Model):
+    _inherit = 'sale.order'
+
+    warehouse_id = fields.Many2one(track_visibility='onchange')
+    incoterm = fields.Many2one(track_visibility='onchange')
diff --git a/sale_stock_usability/sale_stock_view.xml b/sale_stock_usability/sale_stock_view.xml
new file mode 100644
index 0000000..e986110
--- /dev/null
+++ b/sale_stock_usability/sale_stock_view.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!--
+    Copyright (C) 2015 Akretion (http://www.akretion.com/)
+    @author Alexis de Lattre <alexis.delattre@akretion.com>
+    The licence is in the file __openerp__.py
+-->
+
+<openerp>
+<data>
+
+
+<record id="view_picking_internal_search_inherit" model="ir.ui.view">
+    <field name="name">sale_stock_usability.picking.search</field>
+    <field name="model">stock.picking</field>
+    <field name="inherit_id" ref="sale_stock.view_picking_internal_search_inherit" />
+    <field name="arch" type="xml">
+        <filter name="to_invoice" position="attributes">
+            <attribute name="domain">[('invoice_state', '=', '2binvoiced'), ('state', '=', 'done')]</attribute>
+        </filter>
+    </field>
+</record>
+
+
+</data>
+</openerp>