Tex. Occ. Code § 202.259
(b) Rules adopted under this section must establish:
Acts 1999, 76th Leg., ch. 388, Sec. 1, eff. Sept. 1, 1999.
Acts 2017, 85th Leg., R.S., Ch. 282 (H.B. 3078), Sec. 28, eff. September 1, 2017.
Acts 2025, 89th Leg., R.S., Ch. 790 (S.B. 968), Sec. 1, eff. September 1, 2025.