Use this form to gather necessary information when you sell your vehicle or vessel. This form is used to gather necessary information when you sell your vehicle or vessel.Access bill of sale form templates and learn how to transfer ownership of vehicles, boats, firearms, and other high-value personal items in Washington. Motor Vehicle (DMV) Bill of Sale Form To be appropriated for application of the transfer of an automobile. Then enter the date that the form was signed. The form records the information involved in the transactions, specific to the buyer, seller, sale item, and sale terms. Upon the signature of the buyer and seller will the document become considered final. The WA bill of sale is available for online filling. Get it to sell your vehicle or boat. Dochub is a perfect editor for modifying your forms online.