diff --git a/l10n_fr_siret/partner.py b/l10n_fr_siret/partner.py
index 26a6a678f..d49e8510e 100644
--- a/l10n_fr_siret/partner.py
+++ b/l10n_fr_siret/partner.py
@@ -84,6 +84,9 @@ class Partner(osv.osv):
                  "company's office in France. It is composed of the 9 digits "
                  "of the SIREN number and the 5 digits of the NIC number, ie. "
                  "14 digits."),
+        'rcs': fields.char('RCS', size=64,
+                           help="The name of the city where the chamber of "
+                                "commerce that registered this company is."),
     }
     
     _constraints = [
diff --git a/l10n_fr_siret/partner_view.xml b/l10n_fr_siret/partner_view.xml
index 9de818952..414844410 100644
--- a/l10n_fr_siret/partner_view.xml
+++ b/l10n_fr_siret/partner_view.xml
@@ -8,10 +8,11 @@
 			<field name="inherit_id" ref="account.view_partner_property_form" />
 			<field name="arch" type="xml">
 				<field name="property_account_position" position="after">
-					<group col="6" colspan="4">
+					<group col="8" colspan="4">
 						<field name="siren" />
 						<field name="nic" />
 						<field name="siret" />
+						<field name="rcs" />
 					</group>
 				</field>
 			</field>