La. Civ. Code art. 488
Current with operative changes from the 2024 Third Special Legislative Session
Products derived from a thing as a result of diminution of its substance belong to the owner of that thing. When they are reclaimed by the owner, a possessor in good faith has the right to reimbursement of his expenses. A possessor in bad faith does not have this right.
La. C.C. § 488