Does anyone know of a way to perform special item validation on the purchase order when creating a PO manually? In RSS, if you create a special that matches a number in your item master you get a warning. We are looking for a way to do that with our buyers when they manually create specials. We were hoping it can be done on the vendor item field of a PO line when the item type is Special. Here is a screenshot of what I'm referring to in RSS:
