Clearly print or type all information, except signatures. 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).A New York Trailer Bill of Sale helps streamline the registration process and proves the transfer of ownership if a dispute arises. A New York motor vehicle bill of sale provides proof that a motor vehicle has been legally sold and acquired in the State of New York. This document serves as a legal record of the sale and purchase of a trailer in the state of New York. Protect your interests when buying or selling a vehicle in New York. Save time and stress with our vehicle bill of sale template.