diff --git a/base_transaction_id/__init__.py b/base_transaction_id/__init__.py
new file mode 100644
index 00000000..2f307604
--- /dev/null
+++ b/base_transaction_id/__init__.py
@@ -0,0 +1,23 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    Author: Yannick Vaucher (Camptocamp)
+#    Copyright 2012 Camptocamp SA
+#
+#    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 . import invoice
+from . import sale
diff --git a/base_transaction_id/__openerp__.py b/base_transaction_id/__openerp__.py
new file mode 100644
index 00000000..cfbfe4b9
--- /dev/null
+++ b/base_transaction_id/__openerp__.py
@@ -0,0 +1,40 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    Author: Yannick Vaucher (Camptocamp)
+#    Copyright 2012 Camptocamp SA
+#
+#    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': 'Base transaction id for financial institutes',
+ 'version': '1.0',
+ 'author': 'Camptocamp',
+ 'maintainer': 'Camptocamp',
+ 'category': 'Hidden/Dependency',
+ 'complexity': 'easy', #easy, normal, expert
+ 'depends': ['account', 'sale'],
+ 'description': """Adds transaction id to invoice and sale models and views""",
+ 'website': 'http://www.openerp.com',
+ 'init_xml': [],
+ 'update_xml': ['invoice_view.xml', 'sale_view.xml'],
+ 'demo_xml': [],
+ 'test': [],
+ 'installable': True,
+ 'images': [],
+ 'auto_install': False,
+ 'license': 'AGPL-3',
+ 'active': False,
+}
diff --git a/base_transaction_id/invoice.py b/base_transaction_id/invoice.py
new file mode 100644
index 00000000..26a7f3ae
--- /dev/null
+++ b/base_transaction_id/invoice.py
@@ -0,0 +1,35 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    Author: Nicolas Bessi
+#    Copyright 2011-2012 Camptocamp SA
+#
+#    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 osv import fields, osv
+from tools.translate import _
+
+class AccountInvoice(osv.osv):
+    _inherit = 'account.invoice'
+    _columns = {
+        'transaction_id':fields.char(
+            'Transaction id',
+            size=128,
+            required=False,
+            select=1,
+            help="Transction id from the financial institute"
+        ),
+    }
diff --git a/base_transaction_id/invoice_view.xml b/base_transaction_id/invoice_view.xml
new file mode 100644
index 00000000..2953720a
--- /dev/null
+++ b/base_transaction_id/invoice_view.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<openerp>
+    <data>
+        <record model="ir.ui.view" id="invoice_view_custom">
+            <field name="name">customer.invoice.transaction.inherit</field>
+            <field name="model">account.invoice</field>
+            <field name="inherit_id" ref="account.invoice_form"/>
+            <field name="type">form</field>
+            <field name="arch" type="xml">
+                <notebook position="inside">
+                    <page string="Transactions datas">
+                        <field name="transaction_id" select="2"/>
+                    </page>
+                </notebook>
+            </field>
+        </record>
+
+        <record model="ir.ui.view" id="invoice_tree_custom">
+            <field name="name">account.invoice.tree.inherit</field>
+            <field name="model">account.invoice</field>
+            <field name="inherit_id" ref="account.invoice_tree"/>
+            <field name="type">form</field>
+            <field name="arch" type="xml">
+                <field name="origin" position="after">
+                    <field name="transaction_id" select="2"/>
+                </field>
+            </field>
+        </record>
+    </data>
+</openerp>
diff --git a/base_transaction_id/sale.py b/base_transaction_id/sale.py
new file mode 100644
index 00000000..62330e2c
--- /dev/null
+++ b/base_transaction_id/sale.py
@@ -0,0 +1,39 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    Author: Nicolas Bessi
+#    Copyright 2011-2012 Camptocamp SA
+#
+#    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 osv import fields, osv
+
+class SaleOrder(osv.osv):
+    _inherit = 'sale.order'
+    _columns = {
+        'transaction_id':fields.char('Transaction id', size=128,required=False,
+                                     help="Transction id from the financial institute"),
+    }
+
+
+    def _prepare_invoice(self, cursor, uid, order, lines, context=None):
+        #we put the transaction id in the generated invoices
+        if context is None:
+            context = {}
+        invoice_vals = super(SaleOrder, self)._prepare_invoice(cursor, uid, order, lines, context)
+        invoice_vals.update({
+            'transaction_id': order.transaction_id})
+        return invoice_vals
diff --git a/base_transaction_id/sale_view.xml b/base_transaction_id/sale_view.xml
new file mode 100644
index 00000000..512cac8c
--- /dev/null
+++ b/base_transaction_id/sale_view.xml
@@ -0,0 +1,21 @@
+<openerp>
+    <data>
+        <record id="view_order_form_transaction" model="ir.ui.view">
+            <field name="name">sale.order.form.transaction</field>
+            <field name="model">sale.order</field>
+            <field name="type">form</field>
+            <field name="inherit_id" ref="sale.view_order_form"/>
+            <field name="arch" type="xml">
+                <field name="payment_term" position="after">
+                    <field name="transaction_id" select="2"/>
+                </field>
+            </field>
+        </record>
+         <act_window
+            domain="[('origin', '=', name)]" 
+            id="prm_act" 
+            name="Packing" 
+            res_model="stock.picking" 
+            src_model="sale.order"/>
+    </data>
+</openerp>
\ No newline at end of file