Collective Agreement Act Article 8

When a labor union or an employer organization bargains a collective agreement, its bargaining representatives shall be selected by one of the following methods:1.In accordance with its charter.2.In accordance with the resolution of its members or member representatives meeting.After noticing all members and receiving written consents from more than one half of total members.Unless written consent is obtained from the other side, bargaining representatives referred to in the preceding Paragraph shall be limited to members of labor union or employer organization.The number of bargaining representatives referred to in the first paragraph shall be limited to that necessary for bargaining the collective agreement.
中文原文 團體協約法第8條
工會或雇主團體以其團體名義進行團體協約之協商時,其協商代表應依下列方式之一產生:
一、依其團體章程之規定。
二、依其會員大會或會員代表大會之決議。
三、經通知其全體會員,並由過半數會員以書面委任。
前項協商代表,以工會或雇主團體之會員為限。
但經他方書面同意者,不在此限。
第一項協商代表之人數,以該團體協約之協商所必要者為限。

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