Cal. Gov. Code § 9122

The State of California does pledge to, and agree with, the holders of any bonds issued under this article, and with those parties who may enter into contracts with the lessor, the lessee, and the Treasurer pursuant to this article, that the state will not limit or alter the rights vested in the lessor, the lessee, or the Treasurer to finance the project or to fulfill the terms of any lease, trust agreement, indenture, or other contract or instrument by, between, or among the lessor, the lessee, or the Treasurer pursuant to this article, or in any way impair the rights or remedies of the bonds or of the parties until those bonds, together with interest thereon, are fully paid and discharged in accordance with their terms, and all the contracts and instruments are fully performed in accordance with their terms.