Enforcement Rules of the Labor Standards Act Article 42

Without prejudice to the statutes and administrative regulations concerning civil servants, the regulations for the recruitment, training and service of inspectors of labor inspection agencies shall be established by the Central Competent Authority.
中文原文 勞動基準法施行細則第42條
勞工檢查機構檢查員之任用、訓練、服務,除適用公務員法令之規定外,由中央主管機關定之。

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