diff --git a/security/security_rules.xml b/security/security_rules.xml
index 6791a923efd350f659b8a28c0f4c2cce18c38b3c..f8ba7e9875f288f40a9c95c17cbe387220dfa311 100644
--- a/security/security_rules.xml
+++ b/security/security_rules.xml
@@ -52,7 +52,7 @@
             <field name="name">partner rule administrator</field>
             <field name="model_id" ref="base.model_res_partner"/>
             <field name="domain_force">[(1,'=',1)]</field>
-            <field name="groups" eval="[(6, 0, [ref('cgscop_partner.group_cg_administrator')])]"/>
+            <field name="groups" eval="[(6, 0, [ref('cgscop_partner.group_cg_administrator')]), (6, 0, [ref('cgscop_partner.group_add_period')]), (6, 0, [ref('cgscop_partner.group_edit_period')])]"/>
             <field name="perm_read" eval="False"/>
             <field name="perm_write" eval="True"/>
             <field name="perm_create" eval="True"/>