Cal. Rev. & Tax. Code § 23701aa

A public bank as defined in Section 57600 of the Government Code. In addition, a public bank is exempt from all other taxes and licenses, state, county, and municipal, imposed upon a public bank, local utility user taxes, sales and use taxes, state energy resources surcharges, state emergency telephone users surcharges, motor vehicle and other vehicle registration license fees, and any other tax or license fee imposed by the state upon vehicles, motor vehicles, or the operation thereof.