Unless otherwise provided by this Book:
1° The rules of the Code of Civil Procedure shall apply in matters governed by Book VI of the Legislative Part of this Code;
2° Notifications of decisions made by the Registrar shall be made by registered letter with acknowledgement of receipt, in accordance with the provisions of the section IV of Chapter III of Title XVII of Book I of the Code of Civil Procedure;
3° Notifications and communications sent to the individual debtor by registered letter with acknowledgement of receipt are duly made to the address previously indicated to the court registry at the opening of the proceedings or during the proceedings. The date of notification is the date on which the acknowledgement of receipt is signed. However, where the acknowledgement of receipt has not been signed by the addressee or a person authorised to do so, the date of notification is the date of presentation of the registered letter. Letters from the administrator, the judicial representative or the liquidator are sent to this same address;
4° Notifications and letters addressed to the debtor, a legal entity governed by private law, may be sent to the domicile of its legal representative or the ad hoc representative appointed in accordance with II of Article L. 641-9.