‹ Article 26 - Seat of Arbitration Article 28 - Language › Article 27 - Commencement of arbitral proceedings Unless otherwise agreed by the parties, the arbitral proceedings in respect of a particular dispute commence on the date on which a request for that dispute to be referred to Arbitration is received by the respondent. ‹ Article 26 - Seat of Arbitration Article 28 - Language ›