Collective Agreement Act Article 14
It may be agreed upon in a collective agreement that an employer shall only employ workers who are members of a specific labor union unless one of the following situations is applicable:1.The labor union has been dissolved.2.The labor union does not have specifically skilled workers that the employer needs.3.Members of the labor union do not want to be hired by the employer, or the number of its members is inadequate to satisfy the need of the employer.4.Apprentices, trainees, rudimentary workers, interns, students of business-education cooperation project, and other persons similar to trainees in nature recruited by employer.5.Persons who are hired by employer to manage his/her finance, official seals, or confidential matters.6.The number of non-union workers hired by employer is, after subtracting the number of persons referred to in the preceding two subparagraphs, not yet exceeding two-tenths of the employees in total.
中文原文 團體協約法第14條
團體協約得約定雇主僱用勞工，以一定工會之會員為限。
但有下列情形之一者，不在此限：
一、該工會解散。
二、該工會無雇主所需之專門技術勞工。
三、該工會之會員不願受僱，或其人數不足供給雇主所需僱用量。
四、雇主招收學徒或技術生、養成工、見習生、建教合作班之學生及其他與技術生性質相類之人。
五、雇主僱用為其管理財務、印信或機要事務之人。
六、雇主僱用工會會員以外之勞工，扣除前二款人數，尚未超過其僱用勞工人數十分之二。
但有下列情形之一者，不在此限：
一、該工會解散。
二、該工會無雇主所需之專門技術勞工。
三、該工會之會員不願受僱，或其人數不足供給雇主所需僱用量。
四、雇主招收學徒或技術生、養成工、見習生、建教合作班之學生及其他與技術生性質相類之人。
五、雇主僱用為其管理財務、印信或機要事務之人。
六、雇主僱用工會會員以外之勞工，扣除前二款人數，尚未超過其僱用勞工人數十分之二。