La. Stat. tit. 13 § 4990
Current with operative changes from the 2024 Third Special Legislative Session
In any judicial proceeding in which real property is sought to be partitioned upon the trial of the cause on the merits or upon rendition of a default judgment therein, due proof shall be made of a diligent effort on the part of the plaintiff to locate all co-owners of the property to be partitioned and of the fact that all known co-owners have been made parties thereto.
La. R.S. § 13:4990