Any bonds reciting that they are issued pursuant to this article shall in any action or proceeding involving their validity be conclusively deemed to be fully authorized by this article and to have been issued, sold, executed, and delivered in conformity herewith and with all other provisions of statutes applicable thereto and shall be incontestable, anything in this article or in other statutes to the contrary notwithstanding, unless such action or proceeding is begun before or within 30 days after the day upon which the bonds are delivered and paid for.
Last modified: May 3, 2021