Tex. Gov't Code § 417.001
In this chapter:
Acts 1987, 70th Leg., ch. 147, Sec. 1, eff. Sept. 1, 1987.
Amended by Acts 1989, 71st Leg., ch. 983, Sec. 2, eff. Jan. 1, 1990;
Acts 1991, 72nd Leg., ch. 628, Sec. 5, eff. Sept. 1, 1991;
Acts 1997, 75th Leg., ch. 1172, Sec. 3.01, eff. Sept. 1, 1997.