Artikel 29

1. Each of the Members parties to a dispute shall be entitled to appoint one arbitrator. The two arbitrators chosen by the parties shall be appointed within fifteen days following the decision to refer the matter to arbitration. The two arbitrators shall, within fifteen days following the date of their appointments, appoint a third arbitrator who shall be the Chairman. As far as practicable, the arbitrators shall not be nationals of any of the parties to the dispute.
2. Where more than two Members are parties to a dispute, the parties concerned shall agree among themselves on the two arbitrators to be appointed within fifteen days following the decision to refer the matter to arbitration and the two arbitrators shall within fifteen days of their appointment appoint a third arbitrator who shall be the Chairman.
3. Where no agreement is reached under paragraph 1 or 2 or where there is a dispute regarding the selection of an arbitrator, the Secretary-General shall make the appointment within ten days and where the arbitrators fail to appoint a Chairman within the time prescribed the Secretary-General shall make the appointment within ten days.
4. Notwithstanding paragraphs 1, 2, and 3, Members parties to a dispute may refer the matter to arbitration and consent to the Secretary-General appointing a sole arbitrator who shall not be a national of a party to the dispute.