Article 11
Solemn declaration by members
Every member of the Tribunal shall, before taking up his duties, make a solemn declaration in open session that he will exercise his powers impartially and conscientiously.
Article 12
President, Vice-President and Registrar
1. The Tribunal shall elect its President and Vice-President for three years; they may be re-elected.
2. The Tribunal shall appoint its Registrar and may provide for the appointment of such other officers as may be necessary.
3. The President and the Registrar shall reside at the seat of the tribunal.
Article 13
Quorum
1. All available members of the Tribunal shall sit; a quorum of 11 elected members shall be required to constitute the Tribunal.
2. Subject to article 17 of this Annex, the Tribunal shall determine which members are available to constitute the Tribunal for the consideration of a particular dispute, having regard to the effective functioning of the chambers as provided for in articles 14 and 15 of this Annex.
3. All disputes and applications submitted to the Tribunal shall be heard and determined by the Tribunal, unless article 14 of this Annex applies, or the parties request that it shall be dealt with in accordance with article 15 of this Annex.
Article 14
Seabed Disputes Chamber
A Seabed Disputes Chamber shall be established in accordance with the provisions of section 4 of this Annex. Its jurisdiction, powers and functions shall be as provided for in Part XI, section 5.
Article 15
Special chambers
1. The Tribunal may form such chambers, composed of three or more of its elected members, as it considers necessary for dealing with particular categories of disputes.
2. The Tribunal shall form a chamber for dealing with a particular dispute submitted to it if the parties so request. The composition of such a chamber shall be determined by the Tribunal with the approval of the parties.
3. With a view to the speedy dispatch of business, the Tribunal shall form annually a chamber composed of five of its elected members which may hear and determine disputes by summary procedure. Two alternative members shall be selected for the purpose of replacing members who are unable to participate in a particular proceeding.
4. Disputes shall be heard and determined by the chambers provided for in this article if the parties so request.
5. A judgment given by any of the chambers provided for in this article and in article 14 of this Annex shall be considered as rendered by the Tribunal.