R.I. Gen. Laws § 23-19-20
The state does hereby pledge to and agree with the holders of any notes or bonds issued under this chapter and with those parties who may enter into contracts with the corporation, that the state will not limit or alter the rights vested in the corporation to fulfill the terms of any agreements made with the holders of any notes or bonds issued under this chapter or in any way impair the rights and remedies of the holders and other parties until the notes and bonds together with their interest, with interest on any unpaid installments of interest, and all costs and expenses in connection with any action or proceeding by or on behalf of the holders and other parties, are fully met and discharged and the contracts are fully performed on the part of the corporation. The corporation is authorized to include this pledge and agreement of the state in any agreement with the holders of the notes or bonds or contracts.
R.I. Gen. Laws § 23-19-20