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). Instructions. The new owner's social security number, taxpayer identification number (TIN), or federal employer identification number (EIN) is required.A New York Trailer Bill of Sale helps streamline the registration process and proves the transfer of ownership if a dispute arises. The Trailer is to be sold free and clear of any liens, encumbrances, or mortgages. The commercial motor vehicle tax applies to the following vehicles: Non-passenger commercial motor vehicles used mostly in the city (i.e. Find moving truck rentals in Bronx, NY to help you make the better move. Call now to book a moving truck at your local Budget Truck location. You must have a General Vendor license to sell, lease, or offer to sell or lease goods or services in a public place that is not a store. A Bill of Sale is also known as a sales receipt or proof of purchase. Need a Bill of Sale in Spanish?