Tex. Lab. Code § 402.071
(b) A representative may receive a fee for providing representation under this subtitle only if the representative is:
Acts 1993, 73rd Leg., ch. 269, Sec. 1, eff. Sept. 1, 1993.
Acts 2005, 79th Leg., Ch. 265 (H.B. 7), Sec. 2.015, eff. September 1, 2005.