The state of Connecticut does hereby pledge to and agree with the holders of any bonds and notes issued under sections 22a-500 to 22a-519, inclusive, and with those parties who may enter into contracts with an authority or its successor agency pursuant to the provisions of sections 22a-500 to 22a-519, inclusive, that the state will not limit or alter the rights hereby vested in the authority until such obligations, together with the interest thereon, are fully met and discharged and such contracts are fully performed on the part of the authority, provided nothing contained in this section shall preclude such limitation or alteration if and when adequate provisions shall be made by law for the protection of the holders of such bonds and notes of the authority or those entering into such contracts with the authority. Any authority may include this pledge and undertaking for the state in such bonds and notes or contracts.