双方当事人逾期未能共同选定或者共同委托仲裁委员会主任指定的，仲裁委员会主任应立即指定一名独任仲裁员成立仲裁庭审理案件。
Should the parties fail to make such appointment or entrustment , the chairman of the Arbitration Commission shall immediately appoint one sole arbitrator to form an arbitration tribunal to hear the case .
独任仲裁庭