R.I. Gen. Laws § 16-62-14

The state does pledge to and agree with the holders of any bonds or notes issued under this chapter that the state will not limit or alter the rights vested in the authority to fulfill the terms of any agreements made with the holders until those bonds or notes, 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 those holders, are fully met and discharged. The authority is authorized to include this pledge and agreement of the state in any agreement with the holders of those bonds or notes.