The state pledges to and agrees with the holders of the special obligation bonds issued pursuant to this part, that, until such bonds, together with interest thereon, with interest on any unpaid installment of interest and all costs and expenses in connection with any action or proceedings by or on behalf of such holders, are fully met and discharged, or unless expressly permitted or otherwise authorized by the terms of each contract and agreement made or entered into by or on behalf of the state with or for the benefit of such holders, the state (a) will not limit or restrict the rights hereby vested in the Treasurer to purchase, acquire, hold, sell or dispose of municipal refunding bonds or other investments or to make loans to municipalities, or to collect, receive and enforce payment of the principal of and interest on such municipal refunding bonds, or such other investments or loans, or to establish and collect such fees or other charges as may be convenient or necessary to produce sufficient trust receipts to meet the expenses of operation of the Municipal Refunding Trust Fund, and to establish or provide reserves to secure such bonds, and to fulfill the terms of any agreement made with the holders of such bonds or in any way impair the rights or remedies of the holders of those bonds; (b) will not limit or alter the duties hereby imposed on the Treasurer and other officers of the state and with respect to the operation of the Municipal Refunding Bond Escrow Fund and the Municipal Refunding Trust Fund; (c) will carry out and perform, or cause to be carried out and performed, each and every promise, covenant, agreement or contract made or entered into by the state or on its behalf by or pursuant to this part and on its behalf to be performed and (d) will not in any way impair the rights, exemptions or remedies of such holders.

(P.A. 73-591, S. 15, 21.)