"Carrier", a health maintenance organization authorized under chapter 176G, an insurance company authorized to provide accident and health insurance under chapter 175, a nonprofit hospital service corporation authorized under chapter 176A, a nonprofit medical service corporation authorized under this chapter, or any other entity responsible for the payment of benefits or provision of services under a group contract.
"Replacement", the benefits provided by a succeeding carrier.
"Discontinuance", the termination of the contract between the group contract holder and a health maintenance organization authorized under chapter 176G due to the insolvency of the health maintenance organization. The word "discontinuance" does not refer to the termination of any agreement between any individual enrollee and the health maintenance organization.
Mass. Gen. Laws ch. 176B, § 21