Cal. Code Regs. tit. 19, § 1571.6
Any person having been notified, as consignee, of a shipment of explosives being in the hands of any carrier, within any city, city and county, county, fire protection district, or the state, shall remove the said explosives within 48-hours (Sundays and holidays excluded), after receiving such notification to a place meeting the requirements of these rules and regulations.