R33 Independence and Qualifications of Arbitrators
Every arbitrator shall be and remain impartial and independent of the parties and shall immediately disclose any circumstances which may affect her/his independence with respect to any of the parties.
Every arbitrator shall appear on the list drawn up by the ICAS in accordance with the Statutes which are part of this Code, shall have a good command of the language of the arbitration and shall be available as required to complete the arbitration
expeditiously.
...
R54 (relevant paragraph)
If three arbitrators are to be appointed, the President of the Division shall appoint the President of the Panel following nomination of the arbitrator by the Respondent and after having consulted the arbitrators. The arbitrators nominated by the parties shall only be deemed appointed after confirmation by the President of the Division. Before proceeding with such confirmation, the President of the Division shall ensure that the arbitrators comply with the requirements of Article R33.