Cal. Health & Safety Code § 33781

Any holder of revenue bonds issued under the provisions of this chapter or any of the coupons appertaining thereto, and the trustee or trustees appointed pursuant to any resolution authorizing the issuance of such revenue bonds, except to the extent the rights thereof may be restricted by the resolution authorizing the issuance of the revenue bonds, may, either at law or in equity, by suit, action, mandamus, or other proceedings, protect or enforce any and all rights specified in the laws of this state or in such resolution, and may enforce and compel the performance of all duties required by this chapter or by such resolution to be performed by the agency or by any officer, employee, or agent thereof, including the fixing, charging, and collecting of rates, fees, interest, and charges authorized and required by the provisions of such resolution to be fixed, established, and collected.