No vested right of interment gives any person the right to have his or her remains interred in any interment space in which the remains of any deceased person having a prior vested right of interment have been interred. No vested right of interment gives any person the right to have the remains of more than one deceased person placed in a single space in violation of the rules and regulations of the cemetery in which the space is located.
RCW 68.32.150