The ownership document must be properly assigned to you. A bill of sale needs to clearly record the details of the sale, with information about the buyer, seller, property, sale price, and date of the transaction.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. A motor vehicle bill of sale is between a buyer and a seller of a car, truck, or motorcycle. It is signed as the last step in the sales process. How to fill out the Maryland Trailer Bill of Sale Form Instructions? A bill of sale benefits both the seller of a vehicle and the buyer. I Drive Safely will help you understand the importance of a Texas bill of sale. Get DMV bill of sale in Maryland online for free.