Tex. Health and Safety Code § 501.032: RECORDS OF HAZARDOUS SUBSTANCE IN COMMERCE.

(a) For the enforcement of this chapter, a carrier engaged in commerce, a person receiving a hazardous substance in commerce, or a person holding a hazardous substance received in commerce, on request of the department shall permit a representative of the department at reasonable times to have access to and to copy all records showing the movement in commerce or the holding after movement in commerce of any hazardous substance and the quantity, consignees, and shipper of the hazardous substance.

(b) Evidence obtained under this section may not be used in the criminal prosecution of the person from whom the evidence is obtained.

(c) A carrier is not subject to the other provisions of this chapter because of the carrier's receipt, carriage, holding, or delivery of a hazardous substance in the usual course of the carrier's business.

Acts 1989, 71st Leg., ch. 678, Sec. 1, eff. Sept. 1, 1989.