THE ARBITRATION RULES OF CHICAGO INTERNATIONAL DISPUTE RESOLUTION ASSOCIATION (CIDRA) ARTICLE 24 - HEARINGS 1) In the event of an oral hearing, the arbitral tribunal shall give the parties adequate advance notice of the date, time and place thereof. 2) If witnesses are to be heard, at least fifteen days before the hearing each party shall communicate to the arbitral tribunal and to the other party the names and addresses of the witnesses he intends to present, the subject upon and the languages in which such witnesses will give their testimony. 3) The arbitral tribunal shall make arrangements for the translation of oral statements made at a hearing and for a record of the hearing if either is deemed necessary by the tribunal under the circumstances of the case, or if the parties have agreed thereto and have communicated such agreement to the tribunal at least fifteen days before the hearing. 4) Hearings shall be held in camera unless the parties agree otherwise. The arbitral tribunal may require the retirement of any witness or witnesses during the testimony of other witnesses. The arbitral tribunal is free to determine the manner in which witnesses are examined. 5) Evidence of witnesses may also be presented in the form of written statements signed by them. 6) On application of a party and for use as evidence, the arbitral tribunal may permit a deposition to be taken, in the manner and upon the terms designated by the arbitrators, of a witness who cannot be subpoenaed or is unable to attend the hearing. Such production will be for the purpose of presenting evidence at the arbitration hearing and will not include pre-trial discovery as known in common law countries. 7) The arbitral tribunal shall determine the admissibility, relevance, materiality and weight of the evidence offered.