Tex. Penal Code § 19.01
Acts 1973, 63rd Leg., p. 883, ch. 399, Sec. 1, eff. Jan. 1, 1974.
Amended by Acts 1973, 63rd Leg., p. 1123, ch. 426, art. 2, Sec. 1, eff. Jan. 1, 1974;
Acts 1993, 73rd Leg., ch. 900, Sec. 1.01, eff. Sept. 1, 1994.