La. Civ. Code art. 3008
Current with operative changes from the 2024 Third Special Legislative Session
If the mandatary exceeds his authority, he is answerable to the principal for resulting loss that the principal sustains.
The principal is not answerable to the mandatary for loss that the mandatary sustains because of acts that exceed his authority unless the principal ratifies those acts.
La. C.C. § 3008