(a) Any resolution authorizing any bonds under this chapter shall contain a recital that they are issued pursuant to the provisions of this chapter, which recital shall be conclusive evidence that said bonds have been duly authorized pursuant to the provisions of this chapter, notwithstanding the provisions of any other law now in force or hereafter enacted or amended.
(b) Upon the adoption by the board of any resolution providing for the issuance of bonds, the authority may, in its discretion, cause to be published once a week for two consecutive weeks in a newspaper then published in the municipality or, if there is no newspaper then published in the municipality, then in a newspaper published or circulated in the county, a notice in substantially the following form (with any appropriate changes and with the blanks being properly filled in): "_____, a public corporation and a political subdivision of the State of Alabama, has authorized the issuance of $_____ principal amount of bonds of the said authority to be dated _____ for purposes authorized in the act of the Legislature of Alabama under which the said authority was organized, and has entered into a lease with the (city or town) of _____ respecting the project described therein and pledged said lease and the rentals payable thereunder as security for said bonds. Any civil action or proceeding questioning the validity of the said bonds, or the pledge and the indenture to secure the same, or the said lease, must be commenced within 20 days after the first publication of this notice.
(c) Any civil action or proceeding in any court to set aside or question the validity of the proceedings for the issuance of the bonds referred to in said notice or to contest the validity of any such bonds or the validity of the lease agreement pledged therefor or the validity of the indenture must be commenced within 20 days after the first publication of such notice. After the expiration of the said period no right of action or defense questioning or attacking the validity of the said proceedings or of the said bonds or the lease agreement or the indenture shall be asserted nor shall the validity of the said proceedings, bonds, lease agreement or indenture be open to question in any court on any ground whatsoever except in a civil action or proceeding commenced within said period.