The Tribunal must be constituted as soon as possible after registration of a request for arbitration. It is constituted on the date the Secretary-General notifies the parties that all arbitrators have accepted their appointments (Article 13 of the Arbitration (Additional Facility) Rules).
The time for constituting the tribunal may vary depending on the time it takes the parties to determine the number of arbitrators and the method of their appointment and the time it takes to select and appoint the members of the Tribunal. The parties may agree to take as much time as they require to constitute a Tribunal. However, if a party asks ICSID to appoint an arbitrator, that appointment is completed on an average of six weeks from the request.
Effects of the Tribunal’s Constitution
Once a Tribunal is constituted: