Tex. Parks & Wild. Code § 47.004
Acts 1975, 64th Leg., p. 1405, ch. 545, Sec. 1, eff. Sept. 1, 1975.
Amended by Acts 1983, 68th Leg., p. 1333, ch. 277, Sec. 26, eff. Sept. 1, 1983;
Acts 1985, 69th Leg., ch. 267, art. 2, Sec. 38, eff. Sept. 1, 1985;
Acts 1993, 73rd Leg., ch. 365, Sec. 7, eff. Sept. 1, 1993;
Acts 1997, 75th Leg., ch. 1256, Sec. 56, eff. Sept. 1, 1997;
Acts 2003, 78th Leg., ch. 859, Sec. 2, eff. Sept. 1, 2003.