In this subchapter:
(1) "Board" means the board of directors of the Texas Health Reinsurance System.
(2) "Plan of operation" means the plan of operation of the system established under Section 1501.306.
(3) "Reinsured health benefit plan issuer" means a small employer health benefit plan issuer that participates in the system.
(4) "Risk-assuming health benefit plan issuer" means a small employer health benefit plan issuer that does not participate in the system.
(5) "System" means the Texas Health Reinsurance System established under this subchapter.