Tex. Health & Safety Code § 773.043
A provider qualifies as an advanced life-support emergency medical services provider if it:
Acts 1989, 71st Leg., ch. 678, Sec. 1, eff. Sept. 1, 1989.
Amended by Acts 1995, 74th Leg., ch. 915, Sec. 4, eff. Aug. 28, 1995.