Securities and Exchange Act Article 168

In the event the arbitrators appointed by the parties to a dispute fail to select another arbitrator as provided by their agreement, the Competent Authority may appoint the arbitrator upon application or ex officio.
中文原文 證券交易法第168條
爭議當事人之仲裁人不能依協議推定另一仲裁人時,由主管機關依申請或以職權指定之。

English translation for reference only; the Chinese text prevails. Not legal advice.