Cal. Bus. & Prof. Code § 21803
(a) Law enforcement officers are authorized to perform inspections at commercial optical disc manufacturing facilities to verify compliance with the provisions of this chapter. Any inspection shall be conducted by officers whose primary responsibilities include investigation of high-technology crime or intellectual property piracy. Inspections shall take place during regular business hours and shall be limited to the areas of the premises where manufacturing equipment is located and where optical discs and production parts are manufactured and stored. The scope of the inspection shall be restricted to the physical review of items and collection of information necessary to verify compliance with the provisions of this chapter. Officers performing inspections may do so without providing prior notice or obtaining a warrant, and shall have the authority to do all of the following:
(b) No person shall evade, obstruct, or refuse any inspection requested or being carried out by a law enforcement officer to determine compliance with this chapter. The manufacturer, and the employees, servants, or agents of the manufacturer, shall cooperate during the course of the inspection by promptly doing all of the following: