California Code, Health and Safety Code - HSC § 117855

If the department finds that a local enforcement agency is not consistently fulfilling its responsibilities, the department shall notify the agency of the particular reasons for finding that the agency is not fulfilling its responsibilities and of the department's intention to withdraw its designation if, within a time to be specified in that notification, but in no event less than 30 days, the agency does not take the corrective action specified by the department.