No insurer shall decline or refuse to make payments to a state hospital in accordance with rates of payment established for such payor for such hospital or hospital charges for services not covered by rates of payment, for hospital or health-related services provided to subscribers, beneficiaries, or enrolled members that would be a covered service for which such payor would make payment if provided at a voluntary non-profit hospital , or, for a payor that provides for participating provider agreements, to enter into a participating provider agreement with such state hospital.