This authorization letter allows a representative to transfer ownership of a vehicle on behalf of the lawful owner. Letter of Authorization is required when an application for a new title, duplicate title, new registration, or new temporary registration is submitted.Visit a motor vehicle agency to transfer the title, complete the Vehicle Registration Application (Form BA-49) if applicable, and receive the license plates. Send letter of authorization from the vehicle owner via email, link, or fax. You can also download it, export it or print it out. This form allows individuals to authorize title services for vehicle transactions. It must be filled out legibly and completely. This form is used to obtain a Pennsylvania Certificate of Title for vehicles not currently titled in Pennsylvania, or which were repossessed (1.