Streets and Highways Code § 31151

The authority may include in the proceedings authorizing the issuance of bonds any provisions not inconsistent with this chapter which limit, restrict, or regulate the holding, deposit, investment, and application of money consisting of the proceeds from the sale of the bonds or the tolls and other revenues received from the operation of the toll tunnel, and such provisions shall constitute a contract with the holders of the bonds and be binding upon the authority as long as the bonds are outstanding.