Tex. Gov't Code § 2155.442
The comptroller shall give preference to energy efficient products in purchases made under this subtitle if:
Added by Acts 1995, 74th Leg., ch. 41, Sec. 1, eff. Sept. 1, 1995.
Acts 2019, 86th Leg., R.S., Ch. 1071 (H.B. 1524), Sec. 46, eff. September 1, 2019.