§ 20.29. Agreement of the state. The state does hereby pledge to and
agree with the holders of any bonds or notes of a trust that the state
will not limit or alter the rights vested in a trust by this article or
by special law 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 bonds or notes together with the 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. A trust is authorized to
include this pledge and agreement of the state in any agreement with the
holders of such bonds or notes.