（3） When a request for arbitration is made by means of an application addressed to the Registrar, in accordance with Article 26, paragraphs 2 and 3, of the Convention, the application shall indicate the facts giving rise to the dispute, the subject of the dispute, the parties, the means of settlement previously used and the main legal arguments invoked.

Article 24: Composition and Constitution of Arbitral Tribunals

（1）The arbitral tribunal shall be composed and constituted in accordance with Article 28 of the Convention.

（2） If more than two States are parties to a dispute and the parties in the same interest are unable to agree on the appointment of a single arbitrator, as contemplated by Article 28, paragraph 2, of the Convention, the arbitrators designated by each party under Article 28, paragraphs 2, 4 or 5, of the Convention shall be ex officio members of the tribunal.

（3）. In accordance with Article 28, paragraph 3, of the Convention, the Bureau of the Court shall appoint a number of members to sit on the tribunal totalling at least one more than the ex officio members under paragraph 2 of this Article. The Bureau may consult the parties in this matter.