Louisiana Code of Civil Procedure Tit. II, Art. 3654. Proof of title in action for declaratory judgment, concursus, expropriation, or similar proceeding

(1) If the party who would be entitled to the possession of the immovable property or real right therein in a possessory action has been in possession for one year after having commenced possession in good faith and with just title or has been in possession for ten years, the court shall render judgment in favor of that party, unless the adverse party proves that he would be entitled to a judgment recognizing his ownership in a petitory action under Article 3653(A)(1).

(2) In all other cases, the court shall render judgment in favor of the party who proves better title to the immovable property or real right therein.