diff --git a/addons/sale_stock/models/sale_order_line.py b/addons/sale_stock/models/sale_order_line.py
index adf4f5e8086..0f453bb4075 100644
--- a/addons/sale_stock/models/sale_order_line.py
+++ b/addons/sale_stock/models/sale_order_line.py
@@ -272,6 +272,12 @@ class SaleOrderLine(models.Model):
             'partner_id': self.order_id.partner_shipping_id.id,
         }
 
+    def _create_procurement(self, product_qty, procurement_uom, values):
+        self.ensure_one()
+        return self.env['procurement.group'].Procurement(
+            self.product_id, product_qty, procurement_uom, self.order_id.partner_shipping_id.property_stock_customer,
+            self.product_id.display_name, self.order_id.name, self.order_id.company_id, values)
+
     def _action_launch_stock_rule(self, previous_product_uom_qty=False):
         """
         Launch procurement group run method with required/custom fields generated by a
@@ -311,10 +317,7 @@ class SaleOrderLine(models.Model):
             line_uom = line.product_uom
             quant_uom = line.product_id.uom_id
             product_qty, procurement_uom = line_uom._adjust_uom_quantities(product_qty, quant_uom)
-            procurements.append(self.env['procurement.group'].Procurement(
-                line.product_id, product_qty, procurement_uom,
-                line.order_id.partner_shipping_id.property_stock_customer,
-                line.product_id.display_name, line.order_id.name, line.order_id.company_id, values))
+            procurements.append(line._create_procurement(product_qty, procurement_uom, values))
         if procurements:
             self.env['procurement.group'].run(procurements)
 
diff --git a/addons/sale_stock/models/stock.py b/addons/sale_stock/models/stock.py
index f5a63427dad..a1b1deeba01 100644
--- a/addons/sale_stock/models/stock.py
+++ b/addons/sale_stock/models/stock.py
@@ -36,6 +36,22 @@ class StockMove(models.Model):
         res = super()._get_source_document()
         return self.sale_line_id.order_id or res
 
+    def _get_sale_order_lines(self):
+        """ Return all possible sale order lines for one or multiple stock moves. """
+        def _get_origin_moves(move):
+            origin_moves = move.move_orig_ids
+            if origin_moves:
+                origin_moves += _get_origin_moves(origin_moves)
+            return origin_moves
+
+        def _get_destination_moves(move):
+            destination_moves = move.move_dest_ids
+            if destination_moves:
+                destination_moves += _get_destination_moves(destination_moves)
+            return destination_moves
+
+        return (self + _get_origin_moves(self) + _get_destination_moves(self)).sale_line_id
+
     def _assign_picking_post_process(self, new=False):
         super(StockMove, self)._assign_picking_post_process(new=new)
         if new: