Tex. Hum. Res. Code § 32.059
The executive commissioner by rule shall require that respiratory therapy services for ventilator-dependent persons furnished as part of a plan of care under this chapter be provided by a respiratory care practitioner authorized to practice respiratory care under Chapter 604, Occupations Code, when:
Acts 2003, 78th Leg., ch. 1167, Sec. 1, eff. Sept. 1, 2003.
Acts 2015, 84th Leg., R.S., Ch. 1 (S.B. 219), Sec. 4.134, eff. April 2, 2015.