Forms are available online at dol.wa. Gov or at any vehicle licensing office.Access bill of sale form templates and learn how to transfer ownership of vehicles, boats, firearms, and other high-value personal items in Washington. 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. Washington would accept a bill of sale from any other state. All it really is is a receipt. What information is required to complete a Washington bill of sale?