La. Stat. tit. 33 § 4049
Current with changes from the 2024 legislative session effective on or before 7/1/2024, from Acts 1-3, 6-671
After the expiration of sixty days from the publication of the ordinance accepting the work, no person shall have the right to contest the regularity, formality, or validity of any proceedings under the provisions of this Sub-part.
La. R.S. § 33:4049