When the record title to a cemetery space or right of interment is in the names of two or more persons, each shall be considered as having a vested right therein and no conveyance or other disposition of the space or right shall be recognized without the written concurrence of each record owner, but each owner shall have the right of interment in any unoccupied portion of the cemetery space at the time of death.
La. R.S. § 8:806