La. Code Civ. Proc. art. 1091

Current with operative changes from the 2024 Third Special Legislative Session
Section 1091 - Third person may intervene

A third person having an interest therein may intervene in a pending action to enforce a right related to or connected with the object of the pending action against one or more of the parties thereto by:

(1) Joining with plaintiff in demanding the same or similar relief against the defendant;
(2) Uniting with defendant in resisting the plaintiff's demand; or
(3) Opposing both plaintiff and defendant.

La. C.P. § 1091