Tex. Hum. Res. Code § 73.007
The department shall develop and implement:
Added by Acts 1983, 68th Leg., p. 1012, ch. 235, art. 4, Sec. 4(a), eff. Sept. 1, 1983.
Amended by Acts 1985, 69th Leg., ch. 264, Sec. 22, eff. Aug. 26, 1985;
Acts 1985, 69th Leg., ch. 931, art. 12, Sec. 1, eff. Sept. 1, 1985;
Acts 1997, 75th Leg., ch. 923, Sec. 12, eff. Sept. 1, 1997.
Acts 2015, 84th Leg., R.S., Ch. 1 (S.B. 219), Sec. 4.312, eff. April 2, 2015.