La. Stat. tit. 9 § 4846
Current with changes from the 2024 legislative session effective on or before 7/1/2024, from Acts 2,3, 6-535, and 580-647
Proof of delivery of movables at the site of the immovable by a claimant asserting a claim or privilege under R.S. 9:4801(3) or 4802(A)(3) is prima facie evidence that the movables became component parts of the immovable, or were used on the immovable, or in machinery or equipment used at the site of the immovable in performing the work.
La. R.S. § 9:4846
See Acts 2019, No. 325, §§6, 7, and 10, regarding applicability.