also referred to as the DMV Form REG-260,
permits an owner of a vehicle or vessel located in California
to choose an agent to handle a transfer of ownership.
The document does NOT need to be witnessed or notarized
to be legally enforceable. "
https://powerofattorney.com/california/vehicle-
power-attorney-form-california-adobe-pdf/
https://www.dmv.ca.gov/portal/handbook/
vehicle-industry-registration-procedures-manual-2/
general-registration-information/signature-by-power-of-attorney-poa/
위 CA, DMV 링크들을 찬찬히 읽어 보세요.