Tex. Ins. Code § 1575.163
The Teacher Retirement System of Texas, as trustee, may not contract for or provide a health benefit plan that excludes from participation in the network a general hospital that:
(1) is located in the geographical service area or areas of the health coverage plan that includes a county that:
Added by Acts 2003, 78th Leg., ch. 201, Sec. 50, eff. Sept. 1, 2003.
Acts 2011, 82nd Leg., R.S., Ch. 1163 (H.B. 2702), Sec. 57, eff. September 1, 2011.
Acts 2023, 88th Leg., R.S., Ch. 644 (H.B. 4559), Sec. 117, eff. September 1, 2023.