California Code, Food and Agricultural Code (Formerly Agricultural Code) - FAC § 80106

The director or any of his or her duly authorized agents, any commissioner, or any peace officer is authorized and directed to enter in or upon any premises or other place, train, vehicle, or other means of transportation within or entering the state, which is suspected of containing or having present therein or thereon native plants in violation of this division, in order to examine permits and wood receipts and observe tags and seals.