California Code, Health and Safety Code - HSC § 18505

A permit to operate shall be issued by the department following notification by the local enforcement agency of completion of construction of a new park or additional lots to an existing park. The local enforcement agency shall, by approving the application for a permit to operate, authorize occupancy of the newly constructed facilities. Upon approval by the local enforcement agency, one copy of the permit application shall be provided to the applicant and one copy shall be forwarded to the department.