The Arbitration Law of ROC Article 27

The service of documents in arbitration proceedings conducted by the arbitral tribunal shall be governed mutatis mutandis by the provisions on service under the Code of Civil Procedure.
中文原文 仲裁法第27條
仲裁庭辦理仲裁事件,有關文書之送達,準用民事訴訟法有關送達之規定。

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