105 ILCS 5/34A-510
The State of Illinois pledges to and agrees with the holders of Bonds that the State will not limit or alter the rights and powers vested in the Authority by this Act with respect to Sections 34A-501 through 34A-512 hereof so as to impair the terms of any contract made by the Authority with such holders or in any way impair the rights and remedies of such holders until the Bonds, together with interest thereon, with interest on any unpaid installments 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 provisions made for their payment. The Authority is authorized to include such pledge and agreement of the State in any resolution or contract with the holders of Bonds.
105 ILCS 5/34A-510