The Arbitration Law of ROC Article 23

The arbitral tribunal shall ensure that each party has a full opportunity to present its case and the arbitral tribunal shall conduct the necessary investigations of the claims by the parties.Unless otherwise agreed by the parties, the arbitral proceedings shall not be made public.
中文原文 仲裁法第23條
仲裁庭應予當事人充分陳述機會,並就當事人所提主張為必要之調查。
仲裁程序,不公開之。
但當事人另有約定者,不在此限。

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