California Code, Government Code - GOV § 8614

(a) Each department, division, bureau, board, commission, officer, and employee of each political subdivision of the state shall render all possible assistance to the Governor and to the Director of Emergency Services in carrying out this chapter.

(b) The emergency power that may be vested in a local public official during a state of war emergency or a state of emergency shall be subject or subordinate to the powers vested in the Governor under this chapter when exercised by the Governor.

(c) Ordinances, orders, and regulations of a political subdivision shall continue in effect during a state of war emergency or a state of emergency, except as to any provision suspended or superseded by an order or regulation issued by the Governor.