Government Code § 6562
ARTICLE 2. Power to Issue Revenue Bonds
The indenture may contain covenants or other provisions whereby the consent or agreement of a stated percentage or number of the holders of the bonds may bind all bondholders to modifications of or changes in all or part of the provisions of the indenture authorizing or providing for the issuance of such bonds, and the provisions subject to modification or change shall be specified or stated in such indenture.