Section 9865 Of Chapter 2. Registration From California Vehicle Code >> Division 3.5. >> Chapter 2.

. Any holder of a certificate of number shall notify the department within 15 days, if his address no longer conforms to the address appearing on the certificate and shall, as part of such notification, furnish the department with his new address. The department may provide for the surrender of the certificate bearing the former address and its replacement with a certificate bearing the new address or for the alteration of an outstanding certificate to show the new address of the holder.