Regulations for Petitions against Discrimination against People Residing in the Taiwan Area Article 5

The petition and related documents shall be written and prepared in Chinese. For documents not written and prepared in Chinese, the competent authority may, if deemed necessary, notify the petitioner to provide a Chinese translation thereof.
中文原文 居住臺灣地區之人民受歧視申訴辦法第5條
申訴書及相關文件非以中文繕具者,主管機關認有必要時,得通知申訴人檢具其中文譯本。

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