La. Code Civ. Proc. art. 3

Current with changes from the 2024 First and Second Extraordinary Sessions
Section 3 - Same; cannot be conferred by consent

The jurisdiction of a court over the subject matter of an action or proceeding cannot be conferred by consent of the parties. A judgment rendered by a court which has no jurisdiction over the subject matter of the action or proceeding is void.

La. C.P. § 3