Tex. Ins. Code § 843.073
(a) A person is not required to obtain a certificate of authority under this chapter to the extent that the person is:
(b) Except as provided by Section 843.101 or 843.318(a), a physician or provider that employs or enters into a contractual arrangement with a provider or group of providers to provide basic or limited health care services or a single health care service is subject to this chapter and the following provisions and is required to obtain a certificate of authority under this chapter:
Added by Acts 2001, 77th Leg., ch. 1419, Sec. 1, eff. June 1, 2003.
Acts 2007, 80th Leg., R.S., Ch. 730 (H.B. 2636), Sec. 2E.035, eff. April 1, 2009.