The Arbitration Law of ROC Article 18
A party shall provide written notice to the other party when submitting a dispute to arbitration.Unless otherwise agreed by the parties, the arbitral proceedings shall commence upon the respondent’s receipt of the written notice of arbitration.In the event that the circumstance mentioned in the preceding paragraph involves multiple respondents who receive the notices on different dates, the arbitral proceedings shall commence on the date when the first respondent receives the notice.
中文原文 仲裁法第18條
當事人將爭議事件提付仲裁時，應以書面通知相對人。
爭議事件之仲裁程序，除當事人另有約定外，自相對人收受提付仲裁之通知時開始。
前項情形，相對人有多數而分別收受通知者，以收受之日在前者為準。
爭議事件之仲裁程序，除當事人另有約定外，自相對人收受提付仲裁之通知時開始。
前項情形，相對人有多數而分別收受通知者，以收受之日在前者為準。