Gov. Code, § 15449

The State of California does pledge to and agree with the holders of the bonds issued pursuant to this part, and with those parties who may enter into contracts with the authority pursuant to the provisions of this part, that the state will not limit, alter or restrict the rights hereby vested in the authority to finance health care facilities and to fulfill the terms of any agreements made with the holders of bonds authorized by this part, and with the parties who may enter into contracts with the authority pursuant to the provisions of this part, or in any way impair the rights or remedies of the holders of such bonds or such parties until the bonds, together with interest thereon, are fully paid and discharged and such contracts are fully performed on the part of the authority. The authority as a public body corporate and politic shall have the right to include the pledge herein made in its bonds and contracts.