Act for Settlement of Labor-Management Disputes Article 28

An application in writing by the parties for handing over an arbitration shall be submitted together with the mediation record or a written consent of not going through mediation procedures; if an arbitration is applied for by any of the parties, documents pursuant to Paragraph 2 to Article 25 of the Act shall be submitted.
中文原文 勞資爭議處理法第28條
申請交付仲裁者,應提出仲裁申請書,並檢附調解紀錄或不經調解之同意書;其為一方申請交付仲裁者,並應檢附符合第二十五條第二項規定之證明文件。

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