California Code, Food and Agricultural Code (Formerly Agricultural Code) - FAC § 12581

(a) The director may inspect and take samples of any produce grown, processed, packed, stored, shipped, transported, delivered for shipment, or sold.

(b) If the director finds or suspects that a sample taken or inspected pursuant to subdivision (a) carries pesticide residue in excess of the permissible tolerance, the director may request sales records, purchase records, distribution records, or any other record related to that produce. The records shall be provided to the director within 48 hours of the request.