Tex. Penal Code § 29.03
(a) A person commits an offense if he commits robbery as defined in Section 29.02, and he:
(3) causes bodily injury to another person or threatens or places another person in fear of imminent bodily injury or death, if the other person is:
Acts 1973, 63rd Leg., p. 883, ch. 399, Sec. 1, eff. Jan. 1, 1974.
Amended by Acts 1989, 71st Leg., ch. 357, Sec. 2, eff. Sept. 1, 1989;
Acts 1993, 73rd Leg., ch. 900, Sec. 1.01, eff. Sept. 1, 1994.