Signature of Seller. Next, provide the vehicle details, including make, model, and VIN.MV-912: Vehicle Bill of Sale (PDF). English. Use this form to show proof of a vehicle ownership transfer through a private sale. Download. Bill of Sale to a Motor Vehicle. MV-028. Pdf, Map for TxDMV and Harris County Tax Office Main Location. MV-050. This is the motor number or serial number required for identification purposes. Facilitate a seamless car gifting process with our specialized tools. 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.