You can return only some of the Products from a Purchase Order to your Supplier. When you do, the Cost of the returned Products must match the original Purchase Order exactly. If the costs don't match, the Supplier Return can't be completed.

This article explains why the costs stop matching after you remove Products from a Supplier Return, and how to correct them so you can complete the return.

When you return a portion of the stock or cost of a Purchase Order in a Supplier Return, you need to ensure the total Return Costs and Supplier Cost Lines match before the Supplier Return can complete.

When product lines are deleted, or Return Quantities or Return Costs are reduced, the Supplier Cost Lines don't update automatically. You need to recalculate them to show the correct remaining Return Cost. Until you do, the Supplier Return will display an error message when you attempt to complete it: "Adjust costs to complete the Return. The costs total (4000.00) must match the total costs assigned to the products (2.00)."

The value the Cost Line needs to show depends on the Return Cost.

Click the Recalculate icon on the Supplier Return's cost lines to automatically update the returning Cost Lines using the current Total Return Costs of the products. When multiple Supplier Costs are included, the recalculated cost will be split proportionally based on the initial Order Cost split by default, but you can manually edit the costs for a custom split before completing.

When the Total Return Cost and Total Cost Line match, you can complete the Supplier Return.