THE MEDIATION RULES OF CHICAGO INTERNATIONAL DISPUTE RESOLUTION ASSOCIATION (CIDRA) ARTICLE 13 - REPLACEMENT OF A MEDIATOR OR CO-MEDIATOR 1) In the event of death or resignation of a mediator or co-mediator during the course of the mediation proceedings, a substitute mediator or co-mediator shall be appointed or chosen pursuant to the procedure provided in Articles 7 or 8, as appropriate. 2) Similarly, in the event that a mediator or co-mediator fails to perform or in the event of the de jure or de facto impossibility of his or her performing the mediator or co-mediator functions, a substitute mediator or co-mediator shall be appointed or chosen pursuant to the procedure provided in Articles 7 or 8, as appropriate.