Find out what documents you will need to provide proof of sale and ownership if you are buying, selling, or gifting a vehicle. Clearly print or type all information, except signatures.Complete New York State Department of Motor Vehicles ("DMV") form MV-900 for each vehicle and submit an original signed copy to DDC (DMV will not accept. Protect your interests when buying or selling a vehicle in New York. Save time and stress with our vehicle bill of sale template. Below, we've outlined the six steps and forms required for how to sell a car in the state of New York so you can sell your car quickly for the most cash. 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. Get a bill of sale in New York to be used for any vehicle, horse or general bill of sale record. Forms. With the expert guidance of our finance team, drivers across Forest Hills find the perfect loan or lease for their budgets.