Tex. Gov't Code § 659.302
(a) Hazardous duty pay is included in the compensation paid to an individual for services rendered during a month if the individual:
Added by Acts 2001, 77th Leg., ch. 1158, Sec. 37, eff. Sept. 1, 2001.
Acts 2015, 84th Leg., R.S., Ch. 734 (H.B. 1549), Sec. 105, eff. September 1, 2015.