If the title shows a lien, you will need a lien release letter or document verifying you are the sole owner. In the state of Texas, a bill of sale is not required for transferring the title.Fill it out with the seller's and buyer's details, purchase price, and other relevant information. Both parties must sign the document once completed. A Texas motor vehicle bill of sale is a legal document used to demonstrate that a motor vehicle has been sold. Travis Central Appraisal District is responsible for fairly determining the value of all real and business personal property within Travis County, Texas. Liens can be filed with the New York State DMV for all titled vehicles, boats, and manufactured homes (MFH).