California Code, Health and Safety Code - HSC § 25214.23

(1) Enter a factory, warehouse, or establishment in which a package or packaging component is manufactured, packed, held, or sold; enter a vehicle that is being used to transport, hold, or sell the package or packaging component; or enter a place where a package or packaging component is suspected of being held or sold in violation of this article.

(2) Inspect a factory, warehouse, establishment, vehicle, or place described in paragraph (1), and all pertinent equipment, raw material, finished and unfinished materials, containers, and labeling in the factory, warehouse, establishment, vehicle, or place. In the case of a factory, warehouse, or establishment in which a package or packaging component is manufactured, packed, held, or sold, inspection shall include any record, file, paper, process, control, and facility that has a bearing on whether the package, packaging component, or product in a package is being manufactured, packed, held, transported, sold, offered for sale, or offered for promotional purposes in violation of this article.

(3) Have access to all records of a carrier in commerce relating to the movement in commerce of a package or packaging component, or the holding of that package or packaging component during or after the movement, and the quantity, shipper, and consignee of the package or packaging component. A carrier shall not be subject to the other provisions of this article by reason of its receipt, carriage, holding, or delivery of a product in a package or packaging component in the usual course of business as a carrier.