The state pledges to depositors, designated beneficiaries and with any party who enters into contracts with the trust, pursuant to the provisions of sections 3-123aa to 3-123ff, inclusive, that the state will not limit or alter the rights under said sections vested in the trust or contract with the trust until such obligations are fully met and discharged and such contracts are fully performed on the part of the trust, provided nothing contained in this section shall preclude such limitation or alteration if adequate provision is made by law for the protection of such depositors and designated beneficiaries pursuant to the obligations of the trust or parties who entered into such contracts with the trust. The trust, on behalf of the state, may include this pledge and undertaking for the state in participation agreements and such other obligations or contracts.