To transfer a vehicle from a seller to a buyer in a private sale, you can use the Vehicle Bill of Sale (PDF) (MV-912). The completed form will include a description of the watercraft, the purchase price, and both parties' signatures.Make 2 copies of the Bill of sale, 1 for you and 1 for the buyer. Whenever you purchase or sell a vehicle privately in New York, you must complete a bill of sale.