Article R532-28-6 of the French Code governing the entry and residence of foreign nationals and the right of asylum
The Court may, by means of the application mentioned in Article R. 532-28-1, send to agents not yet registered in this application all the communications and notifications provided for in this chapter, provided that they are notified each time by a letter indicating the connection procedures. This letter shall be sent by letter delivered against a signature or by any other means enabling the date of receipt to be certified…