Cal. Sts. & High. Code § 2805

This division shall not apply to bonds issued or to be issued to provide money with which to acquire, construct or complete any public improvement, work, or public utility, or where such bonds have been voted by a majority or two-thirds vote, as may be required by the law under which the bonds are issued or to be issued, of the qualified electors of any district or other persons entitled to vote at the election upon the proposition of issuing such bonds.