diff --git a/account_usability_misc/README.rst b/account_usability_misc/README.rst
index 4b17a40..02b8169 100644
--- a/account_usability_misc/README.rst
+++ b/account_usability_misc/README.rst
@@ -17,6 +17,7 @@ Description
 - Changes some french translation
 - On reconcile view : filter account move lines by defaut with journal type
 - Hide Create button in Bank Statement tree view
+- Create a technical group with unlink righ on bank statements and bank statement lines
 
 Known issues / Roadmap
 ======================
diff --git a/account_usability_misc/__manifest__.py b/account_usability_misc/__manifest__.py
index c2b7b72..153028c 100644
--- a/account_usability_misc/__manifest__.py
+++ b/account_usability_misc/__manifest__.py
@@ -12,6 +12,7 @@
         'account_statement_base',
     ],
     'data': [
+        'security/res_groups.xml',
         'security/ir.model.access.csv',
         'views/account_search.xml',
         'views/account_tree_view.xml',
diff --git a/account_usability_misc/security/ir.model.access.csv b/account_usability_misc/security/ir.model.access.csv
index 8734df9..06be173 100644
--- a/account_usability_misc/security/ir.model.access.csv
+++ b/account_usability_misc/security/ir.model.access.csv
@@ -1,3 +1,5 @@
 id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
 account.access_account_bank_statement,account.bank.statement,account.model_account_bank_statement,account.group_account_user,1,1,1,0
-account.access_account_bank_statement_line,account.bank.statement.line,account.model_account_bank_statement_line,account.group_account_user,1,1,1,0
\ No newline at end of file
+account.access_account_bank_statement_line,account.bank.statement.line,account.model_account_bank_statement_line,account.group_account_user,1,1,1,0
+access_account_bank_statement,account.bank.statement,account.model_account_bank_statement,group_account_super_user,1,1,1,1
+access_account_bank_statement_line,account.bank.statement.line,account.model_account_bank_statement_line,group_account_super_user,1,1,1,1
\ No newline at end of file
diff --git a/account_usability_misc/security/res_groups.xml b/account_usability_misc/security/res_groups.xml
new file mode 100644
index 0000000..cf400ae
--- /dev/null
+++ b/account_usability_misc/security/res_groups.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="group_account_super_user" model="res.groups">
+        <field name="name">Right to delete bank statement and bank statement lines
+        </field>
+        <field name="category_id" ref="base.module_category_hidden"/>
+    </record>
+</odoo>
\ No newline at end of file
diff --git a/account_usability_misc_point_of_sale/README.rst b/account_usability_misc_point_of_sale/README.rst
new file mode 100644
index 0000000..60f38be
--- /dev/null
+++ b/account_usability_misc_point_of_sale/README.rst
@@ -0,0 +1,48 @@
+====================================
+account_usability_misc_point_of_sale
+====================================
+
+
+
+Installation
+============
+
+``account_usability_misc_point_of_sale`` auto-installs when ``point_of_sale`` and ``account_usability_misc`` are installed
+
+Description
+===========
+
+- Removes the right to unlink bank statements and bank statement lines for all pos users and managers
+
+Known issues / Roadmap
+======================
+
+None yet.
+
+Bug Tracker
+===========
+
+Bugs are tracked on `our issues website <https://github.com/elabore-coop/bank_statement_line_prevent_creating/issues>`_. In case of
+trouble, please check there if your issue has already been
+reported. If you spotted it first, help us smashing it by providing a
+detailed and welcomed feedback.
+
+Credits
+=======
+
+Contributors
+------------
+
+* Laetitia Da Costa
+
+Funders
+-------
+
+The development of this module has been financially supported by:
+* Elabore (https://elabore.coop)
+
+
+Maintainer
+----------
+
+This module is maintained by Elabore.
diff --git a/account_usability_misc_point_of_sale/__manifest__.py b/account_usability_misc_point_of_sale/__manifest__.py
new file mode 100644
index 0000000..b7f6c47
--- /dev/null
+++ b/account_usability_misc_point_of_sale/__manifest__.py
@@ -0,0 +1,20 @@
+{
+    'name': 'Account Usability Misc POS',
+    'version': '16.0.2.0.0',
+    'description': 'Prevent deleting account bank statement et account bank statement line throught POS',
+    'summary': 'if Account Usability Misc and POS are installed, autoinstalle Account Usability Misc POS to prevent deleting account bank statement and account bank statement line throught POS manager rights',
+    'author': 'Elabore',
+    'website': 'https://elabore.coop/',
+    'license': 'AGPL-3',
+    'category': 'Accounting',
+    'depends': [
+        'account_usability_misc','point_of_sale'],
+    'data': [
+        'security/ir.model.access.csv',
+    ],
+    'installable': True,
+    'auto_install': True,
+    'application': False,
+    'assets': {
+    }
+}
diff --git a/account_usability_misc_point_of_sale/security/ir.model.access.csv b/account_usability_misc_point_of_sale/security/ir.model.access.csv
new file mode 100644
index 0000000..8c94f4d
--- /dev/null
+++ b/account_usability_misc_point_of_sale/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
+point_of_sale.access_account_bank_statement_manager,account.bank.statement manager,account.model_account_bank_statement,point_of_sale.group_pos_manager,1,1,1,0
+point_of_sale.access_account_bank_statement_line_manager,account.bank.statement.line manager,account.model_account_bank_statement_line,point_of_sale.group_pos_manager,1,1,1,0
\ No newline at end of file