Regulation Governing Organization, Mediation Procedures and Fees of Arbitration Institution Article 54

A party which applies for mediation shall pre-pay one-half of the mediation fee to the arbitration institution. This also applies to the other party which consents to mediation.
中文原文 仲裁機構組織與調解程序及費用規則第54條
當事人一方聲請調解時,應向仲裁機構預繳調解費二分之一。
他方當事人同意調解時,亦同。

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