diff --git a/hr_expense_usability/README.rst b/hr_expense_usability/README.rst
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+HR Expense Usability
+====================
+
+This module adds a few usability enhancements to the official Expense modules:
+
+* Re-organise access rights: Officer can see the expense notes of his subordinates ; Manager can see all expense notes
+
+Credits
+=======
+
+Contributors
+------------
+
+* Alexis de Lattre <alexis.delattre@akretion.com>
diff --git a/hr_expense_usability/__init__.py b/hr_expense_usability/__init__.py
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+# -*- coding: utf-8 -*-
diff --git a/hr_expense_usability/__openerp__.py b/hr_expense_usability/__openerp__.py
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+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    HR Expense 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': 'HR Expense Usability',
+    'version': '0.1',
+    'category': 'Human Resources',
+    'license': 'AGPL-3',
+    'summary': 'Better usability for the management of expenses',
+    'description': '',
+    'author': 'Akretion',
+    'website': 'http://www.akretion.com',
+    'depends': ['hr_expense'],
+    'data': [
+        'security/expense_security.xml',
+        ],
+    'installable': True,
+}
diff --git a/hr_expense_usability/security/expense_security.xml b/hr_expense_usability/security/expense_security.xml
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+++ b/hr_expense_usability/security/expense_security.xml
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+<?xml version="1.0" encoding="utf-8"?>
+<openerp>
+<data noupdate="0">
+
+<!--
+Employee : only see his expenses
+HR Officer = the manager of some employees : see his expenses and the ones of his subordinates
+HR Manager = person that administrates the expense process : can see everything
+-->
+
+<!-- inherit native ir.rule ; remove HR Officer from 1=1 rule -->
+<record id="hr_expense.property_rule_expense_manager" model="ir.rule">
+    <field name="groups" eval="[(6, 0, [ref('base.group_hr_manager')])]"/>
+</record>
+
+<record id="hr_expense_officer_see_subordinates" model="ir.rule">
+    <field name="name">HR Officer can see expenses of his subordinates</field>
+    <field name="model_id" ref="hr_expense.model_hr_expense_expense"/>
+    <field name="domain_force">['|', ('employee_id.user_id','=',user.id), ('employee_id','child_of',user.employee_ids.ids)]</field>
+    <field name="groups" eval="[(4, ref('base.group_hr_user'))]"/>
+</record>
+
+</data>
+</openerp>