The parties’ pleadings shall be signed by their lawyer and served in the same way as notifications between lawyers. If there is more than one plaintiff or defendant, they must be notified to all the lawyers who have been constituted. They shall not be admissible until the particulars referred to in paragraph 2 of Article 765 have been provided.
The communication of documents produced is validly attested by the signature of the receiving lawyer affixed to the slip drawn up by the lawyer making the communication.