If there is any dispute or disagreement between a consignor and a commission merchant which arises at the time of delivery as to condition, quality, grade, pack, quantity, or weight of any lot, shipment, or consignment of any farm product, the department shall furnish, upon the payment of a reasonable fee for it by the requesting party, a certificate which establishes the condition, quality, grade, pack, quantity, or weight of such lot, shipment, or consignment.