Tex. Penal Code § 46.03
(a) A person commits an offense if the person intentionally, knowingly, or recklessly possesses or goes with a firearm, illegal knife, club, or prohibited weapon listed in Section 46.05(a):
(1) on the physical premises of a school or educational institution, any grounds or building on which an activity sponsored by a school or educational institution is being conducted, or a passenger transportation vehicle of a school or educational institution, whether the school or educational institution is public or private, unless:
(6) within 1,000 feet of premises the location of which is designated by the Texas Department of Criminal Justice as a place of execution under Article 43.19, Code of Criminal Procedure, on a day that a sentence of death is set to be imposed on the designated premises and the person received notice that:
(c) In this section:
(d) It is a defense to prosecution under Subsection (a)(5) that the actor possessed a firearm or club while traveling to or from the actor's place of assignment or in the actual discharge of duties as:
(3) a security officer commissioned by the Texas Private Security Board if:
(4) a security officer who holds a personal protection authorization under Chapter 1702, Occupations Code, provided that the officer is either:
(e-1) It is a defense to prosecution under Subsection (a)(5) that the actor:
(e-2) A peace officer investigating conduct that may constitute an offense under Subsection (a)(5) and that consists only of an actor's possession of a concealed handgun that the actor is licensed to carry under Subchapter H, Chapter 411, Government Code, may not arrest the actor for the offense unless:
(h) It is a defense to prosecution under Subsection (a)(4) that the actor possessed a firearm or club while traveling to or from the actor's place of assignment or in the actual discharge of duties as a security officer commissioned by the Texas Board of Private Investigators and Private Security Agencies, if:
(i) It is an exception to the application of Subsection (a)(6) that the actor possessed a firearm or club:
Acts 1973, 63rd Leg., p. 883, ch. 399, Sec. 1, eff. Jan. 1, 1974.
Amended by Acts 1983, 68th Leg., p. 2962, ch. 508, Sec. 1, eff. Aug. 29, 1983;
Acts 1989, 71st Leg., ch. 749, Sec. 2, eff. Sept. 1, 1989;
Acts 1991, 72nd Leg., ch. 203, Sec. 2.79;
Acts 1991, 72nd Leg., ch. 386, Sec. 71, eff. Aug. 26, 1991;
Acts 1991, 72nd Leg., ch. 433, Sec. 1, eff. Sept. 1, 1991;
Acts 1991, 72nd Leg., ch. 554, Sec. 50, eff. Sept. 1, 1991. Renumbered from Penal Code Sec. 46.04 and amended by Acts 1993, 73rd Leg., ch. 900, Sec. 1.01, eff. Sept. 1, 1994.
Amended by Acts 1995, 74th Leg., ch. 229, Sec. 3, eff. Sept. 1, 1995;
Acts 1995, 74th Leg., ch. 260, Sec. 42, eff. May 30, 1995;
Acts 1995, 74th Leg., ch. 318, Sec. 17, eff. Sept. 1, 1995;
Acts 1995, 74th Leg., ch. 790, Sec. 17, eff. Sept. 1, 1995;
Acts 1997, 75th Leg., ch. 165, Sec. 10.03, 31.01(70), eff. Sept. 1, 1997;
Acts 1997, 75th Leg., ch. 1043, Sec. 1, eff. Sept. 1, 1997;
Acts 1997, 75th Leg., ch. 1221, Sec. 2, 3, eff. June 20, 1997;
Acts 1997, 75th Leg., ch. 1261, Sec. 25, eff. Sept. 1, 1997;
Acts 2001, 77th Leg., ch. 1060, Sec. 1, 2 eff. Sept. 1, 2001;
Acts 2003, 78th Leg., ch. 1178, Sec. 3, eff. Sept. 1, 2003.
Acts 2009, 81st Leg., R.S., Ch. 1146 (H.B. 2730), Sec. 4B.21, eff. September 1, 2009.
Acts 2015, 84th Leg., R.S., Ch. 437 (H.B. 910), Sec. 46, eff. January 1, 2016.
Acts 2015, 84th Leg., R.S., Ch. 438 (S.B. 11), Sec. 3, eff. August 1, 2016.
Acts 2015, 84th Leg., R.S., Ch. 1001 (H.B. 554), Sec. 1, eff. September 1, 2015.
Acts 2021, 87th Leg., R.S., Ch. 325 (H.B. 1920), Sec. 1, eff. September 1, 2021.