Replacement of An Arbitrator

Article 13

1. In the event of the death or resignation of an arbitrator during the course of the arbitral proceedings, a substitute arbitrator shall be appointed or chosen pursuant to the procedure provided for in article (6) to (9) that was applicable to the appointment or choice of the arbitrator being replaced.
2. In the event that an arbitrator fails to act or in the event of the de jure or de facto impossibility of his performing his functions, the procedure in respect of the challenge and replacement of an arbitrator as provided in the preceding articles shall apply.

Repetition of Hearings in the Event of the Replacement of an Arbitrator

Article 14
If under articles (11) to (13) the sole or presiding arbitrator is replaced, any hearings held previously shall be repeated; if any other arbitrator is replaced, such prior hearings may be repeated at the discretion of the arbitral tribunal.