Where the appeal is likely to affect the rights or obligations of other persons who were parties to the proceedings before the Autorité de régulation de la communication audiovisuelle et numérique, such persons may join the proceedings before the court of appeal by means of a written, reasoned statement lodged at the registry under the conditions provided for in Article R. 331-46 within one month of receipt of the registered letter from the party lodging the main appeal, as provided for in the first paragraph of Article R. 331-47. The principal appellant will be notified of the decision.
At any time, the first president or his delegate or the court may, of its own motion, call these same persons into question. The clerk’s office shall notify the decision to implead by registered letter with acknowledgement of receipt.