diff --git a/rma/wizards/rma_add_serial.py b/rma/wizards/rma_add_serial.py
index 7f142cdb..7a6aafc2 100644
--- a/rma/wizards/rma_add_serial.py
+++ b/rma/wizards/rma_add_serial.py
@@ -133,5 +133,11 @@ class RmaAddSerialWiz(models.TransientModel):
                 )
 
             vals = self._prepare_rma_line_from_lot_vals(lot)
-            rma_line_obj.create(vals)
+            rec = rma_line_obj.create(vals)
+            # Ensure that configuration on the operation is applied (like
+            #  policies).
+            # TODO MIG: in v16 the usage of such onchange can be removed in
+            #  favor of (pre)computed stored editable fields for all policies
+            #  and configuration in the RMA operation.
+            rec._onchange_operation_id()
         return {"type": "ir.actions.act_window_close"}
diff --git a/rma/wizards/rma_add_stock_move.py b/rma/wizards/rma_add_stock_move.py
index ce932a7b..8638484b 100644
--- a/rma/wizards/rma_add_stock_move.py
+++ b/rma/wizards/rma_add_stock_move.py
@@ -160,9 +160,15 @@ class RmaAddStockMove(models.TransientModel):
             if sm not in existing_stock_moves or tracking_move:
                 if sm.product_id.tracking == "none":
                     data = self._prepare_rma_line_from_stock_move(sm, lot=False)
-                    rma_line_obj.with_context(default_rma_id=self.rma_id.id).create(
-                        data
-                    )
+                    rec = rma_line_obj.with_context(
+                        default_rma_id=self.rma_id.id
+                    ).create(data)
+                    # Ensure that configuration on the operation is applied (like
+                    #  policies).
+                    # TODO MIG: in v16 the usage of such onchange can be removed in
+                    #  favor of (pre)computed stored editable fields for all policies
+                    #  and configuration in the RMA operation.
+                    rec._onchange_operation_id()
                 else:
                     for lot in sm.move_line_ids.mapped("lot_id").filtered(
                         lambda x: x.id in self.lot_ids.ids
@@ -170,7 +176,13 @@ class RmaAddStockMove(models.TransientModel):
                         if lot.id in self.rma_id.rma_line_ids.mapped("lot_id").ids:
                             continue
                         data = self._prepare_rma_line_from_stock_move(sm, lot)
-                        rma_line_obj.with_context(default_rma_id=self.rma_id.id).create(
-                            data
-                        )
+                        rec = rma_line_obj.with_context(
+                            default_rma_id=self.rma_id.id
+                        ).create(data)
+                        # Ensure that configuration on the operation is applied (like
+                        #  policies).
+                        # TODO MIG: in v16 the usage of such onchange can be removed in
+                        #  favor of (pre)computed stored editable fields for all policies
+                        #  and configuration in the RMA operation.
+                        rec._onchange_operation_id()
         return {"type": "ir.actions.act_window_close"}
diff --git a/rma/wizards/rma_order_line_make_supplier_rma.py b/rma/wizards/rma_order_line_make_supplier_rma.py
index 7845cfb9..ba452230 100644
--- a/rma/wizards/rma_order_line_make_supplier_rma.py
+++ b/rma/wizards/rma_order_line_make_supplier_rma.py
@@ -157,7 +157,13 @@ class RmaLineMakeSupplierRma(models.TransientModel):
                 rma = rma_obj.create(rma_data)
 
             rma_line_data = self._prepare_supplier_rma_line(rma, item)
-            rma_line_obj.create(rma_line_data)
+            rec = rma_line_obj.create(rma_line_data)
+            # Ensure that configuration on the operation is applied (like
+            #  policies).
+            # TODO MIG: in v16 the usage of such onchange can be removed in
+            #  favor of (pre)computed stored editable fields for all policies
+            #  and configuration in the RMA operation.
+            rec._onchange_operation_id()
         action = self.env.ref("rma.action_rma_supplier_lines")
         rma_lines = self.item_ids.mapped("line_id.supplier_rma_line_ids").ids
         result = action.sudo().read()[0]