Tex. Agric. Code § 76.102
The department shall license pesticide applicators involved in the following license use categories:
Acts 1981, 67th Leg., p. 1196, ch. 388, Sec. 1, eff. Sept. 1, 1981.
Amended by Acts 1981, 67th Leg., p. 2589, ch. 693, Sec. 1, eff. Sept. 1, 1981;
Acts 1989, 71st Leg., ch. 230, Sec. 87, eff. Sept. 1, 1989;
Acts 1997, 75th Leg., ch. 1369, Sec. 1, eff. Sept. 1, 1997;
Acts 2003, 78th Leg., ch. 1276, Sec. 14A.752, eff. Sept. 1, 2003.
Acts 2009, 81st Leg., R.S., Ch. 1278 (H.B. 1530), Sec. 1, eff. September 1, 2009.