THE ARBITRATION RULES OF CHICAGO INTERNATIONAL DISPUTE RESOLUTION ASSOCIATION (CIDRA) ARTICLE 16 - REPETITION OF HEARINGS IN THE EVENT OF THE REPLACEMENT OF AN ARBITRATOR If under Articles 13 to 15 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.