diff --git a/rma/security/rma.xml b/rma/security/rma.xml
index 99e6a664..ecefd303 100755
--- a/rma/security/rma.xml
+++ b/rma/security/rma.xml
@@ -35,6 +35,11 @@
             <field name="users" eval="[(4, ref('base.user_root'))]"/>
         </record>
 
+        <record id="group_rma_groups" model="res.groups">
+            <field name="name">RMA Groups</field>
+            <field name="category_id" ref="module_category_rma"/>
+        </record>
+
         <record id="stock.group_stock_manager" model="res.groups">
             <field name="implied_ids" eval="[(4, ref('group_rma_manager'))]"/>
         </record>
diff --git a/rma/views/rma_order_view.xml b/rma/views/rma_order_view.xml
index da09e327..27000c34 100755
--- a/rma/views/rma_order_view.xml
+++ b/rma/views/rma_order_view.xml
@@ -277,14 +277,14 @@
         id="menu_rma_act_customer"
         sequence="50"
         parent="menu_customer_rma"
-        groups="rma.group_rma_customer_user"
+        groups="rma.group_rma_groups"
         action="action_rma_customer"/>
 
     <menuitem
         id="menu_rma_act_supplier"
         sequence="50"
         parent="menu_supplier_rma"
-        groups="rma.group_rma_supplier_user"
+        groups="rma.group_rma_groups"
         action="action_rma_supplier"/>
 
     <menuitem id="menu_rma_config"
diff --git a/rma/wizards/stock_config_settings.py b/rma/wizards/stock_config_settings.py
index 265eeaa5..a598ae2c 100644
--- a/rma/wizards/stock_config_settings.py
+++ b/rma/wizards/stock_config_settings.py
@@ -14,3 +14,10 @@ class StockConfigSettings(models.TransientModel):
             'address')
         ], "Addresses",
         implied_group='rma.group_rma_delivery_invoice_address')
+
+    group_rma_lines = fields.Selection([
+        (0, "Do not group RMA lines"),
+        (1, 'Group RMA lines in one RMA group')
+        ], "Grouping",
+        implied_group='rma.group_rma_groups',
+        )
diff --git a/rma/wizards/stock_config_settings.xml b/rma/wizards/stock_config_settings.xml
index 4ea1a48e..74c942c2 100755
--- a/rma/wizards/stock_config_settings.xml
+++ b/rma/wizards/stock_config_settings.xml
@@ -13,6 +13,7 @@
                             <div class="content-group">
                                 <div class="mt16">
                                     <field name="group_rma_delivery_address" class="o_light_label" widget="radio"/>
+                                    <field name="group_rma_lines" widget="radio"/>
                                 </div>
                             </div>
                         </div>