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. What forms must I fill out? The document contains the parties' information, the vehicle's specifics, and the sale price. The forms include a property description, purchase price, date of sale, and other terms of the transaction. Create a Washington bill of sale to document the transfer of ownership for vehicles or other personal property. How do I fill this out?