La. Stat. tit. 33 § 4324
Current with operative changes from the 2024 Third Special Legislative Session
For a period of thirty days from the date of the publication of the ordinance or resolution of the municipality or other political subdivisions authorizing the issuance of bonds under the provisions of this Sub-part, any person in interest shall have the right to contest the legality of such issue, or the security to be given. After the expiration of thirty days no one shall have any right or cause of action to contest the regularity, formality or legality of such bond issue or the security given for the same for any cause whatever, and all bonds shall be conclusively presumed to be legal, and no court shall thereafter have authority to inquire into such matters.
La. R.S. § 33:4324