Labor Inspection Act Article 33

(Ⅰ)Upon accepting a complaint from worker(s), the labor inspection agency shall initiate, according to the nature of the complaint, an inspection by labor inspector(s) as soon as possible, and shall notify the complainant(s) the results of the inspection within fourteen days.(Ⅱ)Upon receiving a complaint from worker(s) the labor union shall review and verify the worker’s complaint and, shall suggest improvement to the complainant’s employer and send a copy to the labor inspection agency and the complainant(s).(Ⅲ)When the business entity rejects the suggestions prescribed above, the union may apply to the labor inspection agency for requesting an inspection.(Ⅳ)Business entities shall not terminate the labor contract of the worker who filed a complaint, or impose any punishment that is against the rights of the workers.(Ⅴ)The labor inspection agency shall be confidential in their management of a worker’s complaint, and shall not disclose the identity of said worker.
中文原文 勞動檢查法第33條
勞動檢查機構於受理勞工申訴後,應儘速就其申訴內容派勞動檢查員實施檢查,並應於十四日內將檢查結果通知申訴人。
勞工向工會申訴之案件,由工會依申訴內容查證後,提出書面改善建議送事業單位,並副知申訴人及勞動檢查機構。
事業單位拒絕前項之改善建議時,工會得向勞動檢查機構申請實施檢查。
事業單位不得對勞工申訴人終止勞動契約或為其他不利勞工之處分。
勞動檢查機構受理勞工申訴必須保持秘密,不得洩漏勞工申訴人身分。

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