I may request to use a vehicle for the purpose of obtaining a Washington State driver's license. This authorization letter allows a representative to transfer ownership of a vehicle on behalf of the lawful owner.How to Edit Change Of Car Ownership Template Form Online for Free. Sample authorization letter to transfer ownership can be filled out without difficulty. This file provides detailed instructions on how to obtain proof of vehicle ownership in Washington state. Learn about title transfer procedures. Fill out Affidavit of Gift: You'll need to complete an Affidavit of Gift form. Pay Fees: Be prepared to cover the necessary title and registration fees. This form allows individuals to authorize title services for vehicle transactions. It must be filled out legibly and completely.