Include required fee in a check or money order, made payable to Department of Licensing. Buyer. 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 information is required to complete a Washington bill of sale? Include the payment method used (e.g. , cash, check, bank transfer) and any other terms of the sale. Gov or file in person at a vehicle licensing office.