(1) If the Tribunal has not been constituted within 90 days after the date of registration, or such other period as the parties may agree, either party may request that the Secretary-General appoint the arbitrator(s) who have not yet been appointed.

(2) The Secretary-General shall appoint the President of the Tribunal after appointing any members who have not yet been appointed.

(3) The Secretary-General shall consult with the parties as far as possible before appointing an arbitrator and shall use best efforts to appoint any arbitrator(s) within 30 days after receipt of the request to appoint.