Texas Appointment of Commissioner as Agent — Form RRG/PG C1 is a form used in the state of Texas to appoint the Texas Department of Motor Vehicle's Commissioner as an agent to register a vehicle. The form is used when registering a vehicle, such as a car, truck, or trailer, for the first time or when renewing a registration. It must be completed and signed by the vehicle owner or their representative and submitted to the Texas Department of Motor Vehicle's Commissioner. There are two types of Texas Appointment of Commissioner as Agent — Form RRG/PG C1- one for vehicles registered in Texas and one for vehicles registered outside of Texas. The form must be accompanied by the appropriate registration fee and proof of ownership.