Collective Agreement Act Article 4
When there are more than two collective agreements applicable, unless it is particularly stipulated by the agreement which has become effective first, the collective agreement applicable to the occupation which is more limited in scope or the type of job which is more special shall be given the priority; if the collective agreement is not for the purpose of governing occupation or job, the agreement applicable to a larger area or more persons shall be given the priority.
中文原文 團體協約法第4條
有二個以上之團體協約可適用時，除效力發生在前之團體協約有特別約定者外，優先適用職業範圍較為狹小或職務種類較為特殊之團體協約；團體協約非以職業或職務為規範者，優先適用地域或人數適用範圍較大之團體協約。