La. Civ. Code art. 3122
Current with changes from the 2024 legislative session effective on or before 7/1/2024, from Acts 2,3, 6-535, and 580-647
The authority of arbitrators extend [extends] only to the things contained in the submission, unless it has been stated that they shall have power to decide all disputes which may arise between the parties in the course of the arbitration.
La. C.C. § 3122