Click "Parts/Labor".
Click the "Parts/Labor Catalog" tile.
Search for the inventoried item by entering a part number or description in the search field.
Click the desired Part's Actions Menu (...)
Select "Return to Vendor".
Enter a Quantity to be returned.
Click "Ok".
Click "Parts/Labor" again.
Click the "Parts/Core Returns" tile.
Part/Core Returns can be filtered by Vendor, Status, and Date Range.
Select "Return" or "Credit" for the desired part return.