Washington law (Chapter 82.12 RCW) imposes a use tax on vehicles purchased from persons who are not required to collect the retail sales tax. Access bill of sale form templates and learn how to transfer ownership of vehicles, boats, firearms, and other high-value personal items in Washington.Create a Washington bill of sale to document the transfer of ownership for vehicles or other personal property. The Washington bill of sale form actively commemorates the exchange of a piece of personal property for a dollar amount via a written contract. The forms include a property description, purchase price, date of sale, and other terms of the transaction. General Bill of Sale This document can be used to document the sale of personal property between two parties. Download: PDF, Word (. Download the Washington Bill of Sale form to securely document the transfer of property and ensure a smooth, legally compliant transaction.