CHAPTER III ARBITRAL TRIBUNAL
CHAPTER III ARBITRAL TRIBUNAL 16.
PARTY AUTONOMY IN THE CONSTITUTION OF THE ARBITRAL TRIBUNAL
16.1 The parties may agree on the number of arbitrators and the procedure for appointment of the arbitral tribunal. 16.2 To the extent that the parties have not agreed otherwise on the number of arbitrators or the procedure for appointment of the arbitral tribunal, the provisions of Articles 17 to 20 shall apply. 16.3 The provisions of Articles 17 to 20 shall also apply if the parties have been unable to constitute the arbitral tribunal within the time period set by the partiesâ€™ agreement or, in the absence of such time period, within the time limit set by the Institute at the request of a party. 16.4 In all cases, the provisions of Articles 21 to 24 regarding impartiality, independence, confirmation, challenge, release and replacement of arbitrators shall apply.
NUMBER OF ARBITRATORS
Where the parties have not agreed on the number of arbitrators, the arbitral tribunal shall be composed of a sole arbitrator, unless the Board determines that an arbitral tribunal composed of three arbitrators is appropriate taking into account the amount in dispute, the complexity of the case, any proposals made by the parties, and any other relevant circumstances.
APPOINTMENT OF A SOLE ARBITRATOR IN BI-PARTY PROCEEDINGS
18.1 Where the parties have agreed that the dispute shall be referred to a sole arbitrator, the claimant and the respondent may jointly nominate the sole arbitrator for confirmation within 21 days from the date on which the Request for 20