Enforcement Rules of the Labor Inspection Act Article 5

Labor inspection agencies authorized in accordance with Article 5 Paragraph 1 of the Act shall periodically submit reports of their supervisory activities and inspection results to the central competent authority for approval and record. The central competent authority shall monitor and evaluate these agencies on a periodical and unannounced basis.
中文原文 勞動檢查法施行細則第5條
依本法第五條第一項授權之勞動檢查機構應定期將其實施監督與檢查之結果,報請中央主管機關核備。
中央主管機關應實施定期及不定期督導考評。

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