Regulations Governing the Implementation and Monitoring of Type Certification for Mechanical Products Article 9

The technical files provided by the obligatory applicant shall be written in Chinese and may be supplemented with information in English or other languages.Where the documents mentioned in the preceding paragraph are written in English, technical documents to be used by workers for installation, operation, maintenance, repair of the product or taking recommended practices for responding to hazards shall have translations in traditional Chinese. Documents that are written in foreign languages other than English shall have English translations for reference.The certification body may request that the obligatory applicant failing to comply with the preceding two paragraphs take corrective actions within a certain time limit. If corrective actions are not taken within the time limit, the application shall be denied.
中文原文 機械類產品型式驗證實施及監督管理辦法第9條
報驗義務人檢附之技術文件資料,應以中文為主,並得輔以英文或其他外文。
前項資料為外文者,除供工作者使用之安裝、操作、保養、維修及危險對策等,應有中文正體字譯本外,文件為英文以外之外文者,應附具英譯本對照。
報驗義務人未依前二項規定辦理者,驗證機構得通知限期補正,屆期未補正或補正後仍不符規定者,不予受理。

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