A Certificate of Manufacture is used when a buyer intends to pay for goods prior to shipment, but the lead time for the manufacturing process is lengthy and the buyer does not which to tie up funds too far in advance. Usually, the goods are manufactured after a small down payment. when the goods have been manufactured, the seller prepares a Manufacturer’s Certificate stating that the goods ordered have been produced in accordance with the contract with the buyer. Upon receiving the certificate, the buyer forwards both payment and shipping instructions, and the shipment is made by the seller.