Tex. Ins. Code § 1305.002

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.