Ala. Code § 11-88-98: Bonds Containing Recital as to Issuance Under Article Deemed to Have Been Issued, Sold, Etc., in Conformity with Same; Limitation Period for Actions or Proceedings as to Issuance of Bonds.

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.