diff --git a/odex25_base/partner_custom/__manifest__.py b/odex25_base/partner_custom/__manifest__.py
index 9423045b5..ea6c76212 100644
--- a/odex25_base/partner_custom/__manifest__.py
+++ b/odex25_base/partner_custom/__manifest__.py
@@ -26,5 +26,6 @@
     'data': [
         # 'security/ir.model.access.csv',
         'views/views.xml',
+        'security/security.xml'
     ],
 }
diff --git a/odex25_base/partner_custom/security/security.xml b/odex25_base/partner_custom/security/security.xml
new file mode 100644
index 000000000..cf4c9e1ab
--- /dev/null
+++ b/odex25_base/partner_custom/security/security.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    
+    
+<record id="sale_purchase_tab" model="res.groups">
+            <field name="name">Sale/Purchase Tab</field>
+            <field name="category_id" ref="dev_membership.membership_category"/> 
+        </record>
+</odoo>
diff --git a/odex25_base/partner_custom/views/views.xml b/odex25_base/partner_custom/views/views.xml
index bc208a5dc..5cb096c16 100644
--- a/odex25_base/partner_custom/views/views.xml
+++ b/odex25_base/partner_custom/views/views.xml
@@ -29,6 +29,9 @@
                         </group>
                     </page>
                 </xpath>
+                <xpath expr="//page[@name='sales_purchases']" position="attributes">
+                <attribute name="groups">partner_custom.sale_purchase_tab</attribute>
+            </xpath>
             </field>
         </record>