Signature of Seller. Bought a Vehicle Without A Title?Bill of Sale to a Motor Vehicle. MV-028. Pdf, Map for TxDMV and Harris County Tax Office Main Location. MV-050. Next, provide the vehicle details, including make, model, and VIN. All title applications must include one of the government-issued photo IDs listed in Box 15. Detailed instructions for completing this form are located in the. Learn about bill of sale laws and requirements for the state of Texas. Get templates for buying and selling high-value items like cars, boats, and firearms. An endorsed reassigned title, complete with odometer meter portion filledout.