§ 13. Agreement with the state. The state does hereby pledge to and
agree with the holders of any notes or bonds issued under this act, that
the state will not limit or alter the rights hereby vested in the agency
to fulfill the terms of any agreements made with the holders thereof, or
in any way impair the rights and remedies of such holders until such
notes or bonds, together with the interest thereon, 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 such
holders, are fully met and discharged. The agency is authorized to
include this pledge and agreement of the state in any agreement with the
holders of such notes or bonds.