What information do I need to complete a bill of sale? Clearly print or type all information, except signatures.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. Selling or transferring ownership of a car, boat or other item of personal property? Easily create, print, and download a Bill of Sale in minutes. A New York motor vehicle bill of sale acts as a record of the purchase and sale of a vehicle between a buyer and a private owner. How do I fill this out? To fill out the Mobile Home Bill of Sale, gather all necessary information about the vehicle and the buyer and seller. Instructions. The new owner's social security number, taxpayer identification number (TIN), or federal employer identification number (EIN) is required. Edit, sign, and share bill sale form online.