La. Stat. tit. 8 § 807
Current with operative changes from the 2024 Third Special Legislative Session
An affidavit by any informed but disinterested person having knowledge of the facts setting forth the fact of the death of one co-owner and establishing the identity of the surviving co-owner named in the deed to any cemetery space or right of interment, when filed with the cemetery authority, shall constitute complete and sufficient authorization to the cemetery authority to permit the use of one unoccupied portion of the space in accordance with the directions of the surviving co-owner.
La. R.S. § 8:807