Enforcement Rules of Labor Union Act Article 30

The term “other unfair treatments” referred to in Subparagraphs 1 and 3, Paragraph 1 to Article 35 of the Act denotes to any direct or indirect unfair treatments toward an employee, including any intention that tries to impede an employee to participate in labor union activities, to reduce the strength of a labor union, or to unduly influence the development of a labor union.The term “other unfair treatments” referred to in Subparagraph 4, Paragraph 1 to Article 35 of the Act, denotes to the situations that, in addition to those referred to in the preceding paragraph, shall include such unfair treatments as an employer who threatens to file or actually files an inappropriate damages proceedings in a civil court case toward an employee when he (or she) takes part in or supports an activity which is resoluted by a labor union.
中文原文 工會法施行細則第30條
本法第三十五條第一項第一款及第三款所稱其他不利之待遇,包括意圖阻礙勞工參與工會活動、減損工會實力或影響工會發展,而對勞工為直接或間接不利之對待。
本法第三十五條第一項第四款所稱其他不利之待遇,除前項規定情形外,並包括雇主對於勞工參與或支持依工會決議所為之行為,威脅提起或提起顯不相當之民事損害賠償訴訟之不利待遇。

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