diff --git a/models/project.py b/models/project.py
index 0356acd084a6b8211af3b75a6fc4795167584bc8..0f6d522031f89803d352bc9f91568eaf14dc4526 100644
--- a/models/project.py
+++ b/models/project.py
@@ -21,6 +21,9 @@ class ScopProjectTimesheet(models.Model):
         ondelete="restrict",
         default=_default_ur,
     )
+    creation_invoiced = fields.Boolean(
+        string="Facturé au titre de la création",
+    )
 
     @api.onchange("name")
     def onchange_name(self):
diff --git a/views/hr_timesheet_cgscop.xml b/views/hr_timesheet_cgscop.xml
index fafaa0766a55112350b9738d4330ab4b04e67fa5..cefa311b8a36f8fcd4440840d41225d56deeceb1 100644
--- a/views/hr_timesheet_cgscop.xml
+++ b/views/hr_timesheet_cgscop.xml
@@ -68,6 +68,7 @@
                                     placeholder="Code activité National"
                                     options="{'no_open': True, 'no_create': True}"
                                 />
+                                <field name="creation_invoiced" widget="boolean_toggle" />
                                 <field name="analytic_account_id" invisible="1" />
                                 <field name="privacy_visibility" invisible="1" />
                                 <field name="allow_timesheets" invisible="1" />