La. Stat. tit. 9 § 5553
Current with changes from the 2024 legislative session effective on or before 7/1/2024, from Acts 1-3, 6-671
If the obligor of the written obligation that the vendor's privilege secures does not raise the following defenses or claim the extinction of the vendor's privilege, then, as long as the effects of recordation continue in accordance with Articles 3328 through 3334 of the Civil Code, third persons may not raise as a defense to the enforcement or claim the extinction of the vendor's privilege for any cause, other than forged signatures, based on: the invalidity of the written obligation; the extinction of the written obligation; or the lack of registry or any deficiency in registry of any transfer, assignment, or pledge of the written obligation from the original vendee.
La. R.S. § 9:5553