Regulations Governing Motor Vehicle Air Pollutant and Noise Emission Testing Organizations Article 3

Those that apply for testing organization permits shall apply to the central competent authority.
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3條
申請測定機構許可證者,應向中央主管機關為之。

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