The answer is "the accounts payable department should send it back."
Packing slip is the point by point data (tally of no of merchandise etc)about the products which were dispatched and the upc codes appended with them. This will be sent by seller alongside shipment
At the point when products are gotten, the Packing/receiving slip should coordinate the receipt and materials you got. Accommodate the Inventory protest code for items got to solicitations got. In the event that the Packing slip demonstrates a deficiency, the records payable division ought to send it back.