This chapter applies only to a group health benefit plan that provides hospital and medical coverage or services on an expense incurred, service, or prepaid basis, including a group insurance policy or contract or self-funded or self-insured plan or arrangement that is offered in this state by:

1. (1) an insurer;
2. (2) a group hospital service corporation operating under Chapter 842;
3. (3) a health maintenance organization operating under Chapter 843; or
4. (4) an employer, trustee, or other self-funded or self-insured plan or arrangement.

Added by Acts 2003, 78th Leg., ch. 1274, Sec. 3, eff. April 1, 2005.