Tex. Health & Safety Code § 311.001
(a) A hospital may not, as a condition to beginning a hospital internship or residency, require a United States citizen who resides in this state and who holds a diploma from a medical school outside the United States that is listed in the AVICENNA Directory for Medicine published by the University of Copenhagen, in collaboration with the World Health Organization and the World Federation for Medical Education, to:
(b) This section applies only to a hospital that:
Acts 1989, 71st Leg., ch. 678, Sec. 1, eff. Sept. 1, 1989.
Acts 2015, 84th Leg., R.S., Ch. 1 (S.B. 219), Sec. 3.0835, eff. April 2, 2015.