Where, in the case provided for in the second paragraph of Article L. 631-3, the court is seised at the request of the public prosecutor, Article R. 631-4 is applicable to the heirs of the debtor whose address is known. If there are heirs whose address is unknown, the president of the judicial court seised of its own motion, or seised at the request of the public prosecutor, the administrator or the judicial representative shall appoint a representative to represent them.