Tex. Lab. Code § 410.157
The commissioner shall adopt rules governing procedures under which contested case hearings are conducted.
Acts 1993, 73rd Leg., ch. 269, Sec. 1, eff. Sept. 1, 1993.
Acts 2005, 79th Leg., Ch. 265 (H.B. 7), Sec. 3.185, eff. September 1, 2005.