Enforcement Rules of the Administrative Execution Act Article 5

The competent administrative authority referred to in paragraph 1, Article 4 of this Act means the competent authority according to related laws and regulations or an agency the laws delegate the power to execute administrative prompt coercion.
中文原文 行政執行法施行細則第5條
本法第四條第一項所稱該管行政機關,指相關法令之主管機關或依法得為即時強制之機關。

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