(a) Unless the person holds a certificate of authority issued by the department to engage in the business of insurance in this state or operates a health maintenance organization under Chapter 843, a person must register with the department not later than the 30th day after the date on which the person begins acting as a contracting entity in this state.
(b) Notwithstanding Subsection (a), under § 1458.055 a contracting entity that holds a certificate of authority issued by the department to engage in the business of insurance in this state or is a health maintenance organization shall file with the commissioner an application for exemption from registration under which the affiliates may access the contracting entity’s network.

(c) An application for an exemption filed under Subsection (b) must be accompanied by a list of the contracting entity’s affiliates. The contracting entity shall update the list with the commissioner on an annual basis.
(d) A list of affiliates filed with the commissioner under Subsection (c) is public information and is not exempt from disclosure under Chapter 552, Government Code.