La. Civ. Code art. 2644
Current with changes from the 2024 legislative session effective on or before 7/1/2024, from Acts 2,3, 6-535, and 580-647
When the debtor, without knowledge or notice of the assignment, renders performance to the assignor, such performance extinguishes the obligation of the debtor and is effective against the assignee and third persons.
La. C.C. § 2644