Tex. Gov't Code § 495.004
A private vendor or county operating under a contract authorized by this subchapter may not:
Added by Acts 1989, 71st Leg., ch. 212, Sec. 2.01, eff. Sept. 1, 1989. Renumbered from Sec. 494.004 and amended by Acts 1991, 72nd Leg., ch. 16, Sec. 10.01(a), eff. Aug. 26, 1991.