Cal. SHC § 35412

The ordinance, resolution, or indenture providing for the issuance of the bonds may also provide for the maintenance and operation of the parking facilities, for the fixing and collecting of rentals, fees and charges for the use of parking facilities, for the establishment of a special fund into which all revenues derived from the operation of the parking facilities shall be placed, for the use of moneys in this fund for payment of the expenses of operating and maintaining the parking places, for the payment of the bonds and the interest thereon, or for the establishment and maintenance of any reserve funds, sinking funds or other funds designed for securing or paying the bonds and the interest thereon.