Acts 1983, 68th Leg., p. 3632, ch. 576, Sec. 1, eff. Jan. 1, 1984. Amended by Acts 1985, 69th Leg., ch. 200, Sec. 4, eff. Aug. 26, 1985. Renumbered from Sec. 91.002 by Acts 1987, 70th Leg., ch. 683, Sec. 2, eff. Aug. 31, 1987. Amended as Sec. 91.002 by Acts 1987, 70th Leg., ch. 826, Sec. 1, eff. Aug. 31, 1987. Renumbered from Sec. 91.002 and amended by Acts 1989, 71st Leg., ch. 689, Sec. 1, 3, eff. Sept. 1, 1989. Amended by Acts 1995, 74th Leg., ch. 869, Sec. 1, eff. Jan. 1, 1996; Acts 1995, 74th Leg., ch. 952, Sec. 1, eff. Sept. 1, 1995.
Amended by:
Acts 2009, 81st Leg., R.S., Ch. 1112 (H.B. 882), Sec. 1, eff. January 1, 2010.
Acts 2009, 81st Leg., R.S., Ch. 1112 (H.B. 882), Sec. 3, eff. January 1, 2010.
Acts 2013, 83rd Leg., R.S., Ch. 899 (H.B. 1086), Sec. 1, eff. September 1, 2013.