La. Stat. tit. 33 § 4160.10
Current with operative changes from the 2024 Third Special Legislative Session
Certificates issued shall not be invalid for any irregularity or defect in the proceedings for their issuance, sale, or delivery, and shall be incontestable in the hands of bona fide purchasers or holders for value thereof.
La. R.S. § 33:4160.10