Tex. Occ. Code § 110.152
The council shall:
(2) develop and implement by rule under Subchapter G:
Added by Acts 2003, 78th Leg., ch. 1276, Sec. 14.005(a), eff. Sept. 1, 2003.
Acts 2005, 79th Leg., Ch. 1089 (H.B. 2036), Sec. 8, eff. September 1, 2005.