La. Civ. Code art. 3230
Current with operative changes from the 2024 Third Special Legislative Session
When the things reclaimed consist in merchandise, which is sold in bales, packages or cases, the claim shall not be admitted if they have been untied, unpacked or taken out of the cases and mixed with other things of the same nature belonging to the purchaser, so that their identity can no longer be established.
La. C.C. § 3230