Tex. Penal Code § 43.03
(a) A person commits an offense if, acting other than as a prostitute receiving compensation for personally rendered prostitution services, he or she knowingly:
Acts 1973, 63rd Leg., p. 883, ch. 399, Sec. 1, eff. Jan. 1, 1974.
Amended by Acts 1977, 65th Leg., p. 758, ch. 287, Sec. 1, eff. May 27, 1977;
Acts 1993, 73rd Leg., ch. 900, Sec. 1.01, eff. Sept. 1, 1994.
Acts 2017, 85th Leg., R.S., Ch. 1038 (H.B. 1808), Sec. 9, eff. September 1, 2017.