Tex. Occ. Code § 1702.042
An employee of the department whose primary duties include private security regulation may not:
Acts 1999, 76th Leg., ch. 388, Sec. 1, eff. Sept. 1, 1999.
Amended by Acts 2001, 77th Leg., ch. 1420, Sec. 14.567, eff. Sept. 1, 2001.
Acts 2009, 81st Leg., R.S., Ch. 1146 (H.B. 2730), Sec. 4.13, eff. September 1, 2009.