Tex. Health & Safety Code § 438.041
In this subchapter:
Acts 1989, 71st Leg., ch. 678, Sec. 1, eff. Sept. 1, 1989.
Acts 2007, 80th Leg., R.S., Ch. 1299 (S.B. 552), Sec. 1, eff. September 1, 2007.
Acts 2015, 84th Leg., R.S., Ch. 1 (S.B. 219), Sec. 3.1639(80), eff. April 2, 2015.