N.J. Stat. § 13:17-27
The State does pledge to and agree with the holders of the bonds or notes issued pursuant to the provisions of this act that the State will not, without the commission's prior consent enlarge, limit or restrict any of the rights and powers hereby vested in the commission to maintain, acquire, construct, improve, reconstruct, repair and operate any project as defined in this act, nor will the State limit or restrict the fixing, establishment and collection by the commission of such fees, assessments and charges as may be convenient or necessary to produce sufficient revenues to meet the expenses of the commission and to fulfill the terms of any agreements made with the holders of bonds or notes authorized by this act, nor will the State in any way impair the rights or remedies of the holders of such notes or bonds, or modify in any way the exemption from taxation provided in this act until the notes and bonds, together with interest thereon, with interest on any unpaid installments of interest, and all costs in connection with any action or proceeding in behalf of such bondholders are fully paid and discharged or provided for.
N.J.S. § 13:17-27