Cal. Fin. Code § 508

During any emergency period declared by the Governor no bank shall transact any banking business except to such extent and subject to such regulations, limitations, or restrictions as may be prescribed by the commissioner, which, as to member banks, shall be as consistent as the exigencies of the situation permit with the provisions of the Federal Reserve Act and regulations issued thereunder or, as to insured banks, shall be as consistent as the exigencies of the situation permit with the rules and regulations governing banks whose deposits are insured by the Federal Deposit Insurance Corporation.