Article L641-15 of the French Commercial code
During the judicial liquidation proceedings, the official receiver may order that the liquidator or the administrator, where one has been appointed, be the addressee of mail addressed to the debtor. The debtor, informed in advance, may attend the opening of the mail. However, a summons to appear before a court, notification of decisions or any other mail of a personal nature must be immediately delivered or returned to the debtor….