California Code, Business and Professions Code - BPC § 23366.2

An out-of-state distilled spirits shipper's certificate authorizes the shipment of distilled spirits manufactured without this state to licensed importers within this state. Distilled spirits manufactured without this state may only be obtained by a licensed importer from the holder of an active out-of-state distilled spirits shipper's certificate. Only one out-of-state distilled spirits shipper's certificate may be issued to any one distilled spirits shipper.