The purpose of this chapter is to:
(1) authorize the establishment of workers’ compensation health care networks for the provision of workers’ compensation medical benefits; and
(2) provide standards for the certification, administration, evaluation, and enforcement of the delivery of health care services to injured employees by networks contracting with or established by:
(A) workers’ compensation insurance carriers;
(B) employers certified to self-insure under Chapter 407, Labor Code;
(C) groups of employers certified to self-insure under Chapter 407A, Labor Code; and
(D) governmental entities that self-insure, either individually or collectively.