Regulations Governing Motor Vehicle Air Pollutant and Noise Emission Testing Organizations Article 6

Testing personnel shall hold a central competent authority qualification certificate attesting to training in relevant testing items.
中文原文 機動車輛排放空氣污染物及噪音檢驗測定機構管理辦法第6條
測定人員應領有中央主管機關核發之相關測定項目訓練合格證書。

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