County of Harris. §. It contains information about the buyer and the seller, a description of the vehicle being sold, and information about the transaction, such as price.A Texas bill of sale form records an exchange of property between a buyer and a seller. How to fill out the Texas Vehicle Bill of Sale Form? 1. Enter the seller's name and address. 2. The Houston Vehicle Bill of Sale is a form used to officially transfer ownership of a vehicle or trailer from one party to another. Sample Motor Vehicle Bill of Sale. General Bill of Sale A bill of sale that serves to record the sale of any form of personal property. Download: PDF, Word (. The Texas bill of sale form verifies the elemental facts of the sale of personal property in exchange for a predetermined compensatory amount.