Administrative Procedure Act Article 31

A party or agent may, with the permission of the administrative authority, appear in the company of an assistant.An administrative authority may order that a party or agent appear in the company of an assistant if the administrative authority deems it necessary.Where an assistant referred to in any of the two preceding paragraphs is considered unsuitable by the administrative authority, the administrative authority may revoke the permission given before or forbid such assistant to make statements.Any statement made by the assistant, unless an opposition thereto is raised instantly by the party or agent, shall be deemed to have been made by the party or agent himself, as the case may be.