diff --git a/bin/addons/base/res/partner/partner.py b/bin/addons/base/res/partner/partner.py
index 3cac309de11..0d3ff0bf3d9 100644
--- a/bin/addons/base/res/partner/partner.py
+++ b/bin/addons/base/res/partner/partner.py
@@ -142,6 +142,7 @@ class res_partner(osv.osv):
         'user_id': fields.many2one('res.users', 'Dedicated Salesman', help='The internal user that is in charge of communicating with this partner if any.'),
         'responsible': fields.many2one('res.users', 'Users'),
         'vat': fields.char('VAT',size=32 ,help="Value Added Tax number"),
+        'vat_subject': fields.boolean('Subjected to the VAT'),
         'bank_ids': fields.one2many('res.partner.bank', 'partner_id', 'Banks'),
         'website': fields.char('Website',size=64),
         'comment': fields.text('Notes'),