Tex. Lab. Code § 413.053
The commissioner by rule shall establish standards of reporting and billing governing both form and content.
Acts 1993, 73rd Leg., ch. 269, Sec. 1, eff. Sept. 1, 1993.
Acts 2005, 79th Leg., Ch. 265 (H.B. 7), Sec. 3.257, eff. September 1, 2005.