Rule 19: Fresh Hearing If 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 Tribunal, unless the parties agree otherwise. Rule 20: Conduct of Proceedings (1) These Rules shall apply in conducting the arbitral proceedings, unless the parties agree to waive or modify them under sub-rule (2) (b) of Rule 1. (2) Failing such agreement, the Tribunal may, subject to the provisions of these Rules, conduct the arbitration in such manner as it considers appropriate. The powers conferred upon the Tribunal include the power to determine the admissibility, relevance, materiality and weight of any evidence. (3) The parties shall be treated with equality and each party shall be given full opportunity of presenting its case. Rule 21: Place of Arbitration (1) Arbitration shall be held at a place agreed upon by the parties or in the absence of such agreement, shall be determined by the Tribunal, provided that the Tribunal may hear witnesses or hold meetings for consultation among its members at any place it deems appropriate, having regard to the circumstances of the arbitration (2) The Tribunal may visit any place it deems necessary for the inspection of goods, documents or other property. The parties shall be given sufficient notice to enable them to be present at such inspection. (3) The Award shall be deemed to be made at the place of arbitration. Rule 22: Language of Arbitration (1) The language of the Tribunal shall be English. (2) A document drawn in a language other than English shall be accompanied by its certified translation into the English language. 10