The Arbitration Law of ROC Article 13

An arbitrator appointed in an arbitration agreement may be replaced if that arbitrator becomes unable to serve as a result of death or any other cause, or refuses to act as an arbitrator, or unduly delays the performance of arbitral duties. In the event that the parties fail to agree upon a replacement, either party may petition an arbitration institution or the court for replacement.If an arbitrator appointed by one party becomes unable to serve as a result of any of the circumstances set out in the preceding paragraph, the other party may, by notice, request the party to appoint a replacement within fourteen days from the date of receipt of the notice. However, the presiding arbitrator appointed pursuant to paragraph 1 of Article 9 shall not be affected.Where the requested party fails to appoint a replacement within the specified period in the preceding paragraph, the requesting party may petition an arbitration institution or the court for replacement.Where an arbitrator appointed by an arbitration institution or the court becomes unable to serve as a result of any of the circumstances set out in the paragraph 1, the institution or the court may, upon petition or ex officio, appoint a replacement.If the presiding arbitrator becomes unable to serve for any of the reasons set out in paragraph 1, the court may, upon petition or ex officio, appoint a replacement.
中文原文 仲裁法第13條
仲裁協議所約定之仲裁人,因死亡或其他原因出缺,或拒絕擔任仲裁人或延滯履行仲裁任務者,當事人得再行約定仲裁人;如未能達成協議者,當事人一方得聲請仲裁機構或法院為之選定。
當事人選定之仲裁人,如有前項事由之一者,他方得催告該當事人,自受催告之日起,十四日內另行選定仲裁人。
但已依第九條第一項規定共推之主任仲裁人不受影響。
受催告之當事人,已逾前項之規定期間,而不另行選定仲裁人者,催告人得聲請仲裁機構或法院為之選定。
仲裁機構或法院選定之仲裁人,有第一項情形者,仲裁機構或法院得各自依聲請或職權另行選定。
主任仲裁人有第一項事由之一者,法院得依聲請或職權另行選定。

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