California Code, Vehicle Code - VEH § 5905

When a security interest upon a registered vehicle is satisfied, canceled, or released by the parties thereto duly registered as owner and legal owner respectively and thereafter within a period of 10 days a new security agreement covering the vehicle is executed between the same parties, no application for transfer of registration by reason thereof shall be made and no new certificate of ownership or registration card shall be issued, and all provisions of this code relating to transfers of any title or interest in a vehicle and the registration of the transfers shall be deemed to have been fully complied with, and the new security agreement shall be deemed perfected at the time the new security agreement is executed.