(2) Persons not privy to arbitration, but who have an interest in the outcome of the arbitration award, may submit prima facie evidence of such interest to the Tribunal, and, subject to approval from the Tribunal, may attend the hearing.
(3) The Tribunal may order any witness to retire during the testimony of another witness.

Article 32. Adjournments or Continuations

The Tribunal may, on justifiable grounds, take adjournments or change the date of hearing upon the request of both parties or on its own motion. However, the adjournment should be made within 15 days in case of Domestic Arbitration and within 30 days in case of International Arbitration, not subject to renewal of second adjournment.

Article 33. Decisions of Tribunal