It contains information about the buyer and the seller, a description of the vehicle being sold, and information about the transaction, such as price. Used trailer less than or equal to 4,000 lbs.Motor Vehicle (DMV) Bill of Sale Form – Conveys the purchase and transfer of an automobile. This transaction is made in the County of. ,. Get information about motor vehicle registration and title transactions. Tarrant County residents can renew vehicle registration. Get information about motor vehicle registration and title transactions. Tarrant County residents can renew vehicle registration. For information to process necessary transactions while we are closed, click on the COVID-19 automobile and property tax pages in the left navigation bar. Before you transfer ownership of a trailer in New York State, you should find out about regulations existing in the state.