Enforcement Rules of Labor Union Act Article 3

According to their organizational coverage, confederated labor union organizations are divided into national confederated labor union organizations and regional confederated labor union organizations.The “region” of the “regional confederated labor union organizations” referred to the preceding paragraph is the administrative area of municipality or county (city).The site of a regional confedearated labor union organiation shall be set up in the scope of the organizational coverage, and it shall register in and apply for certificate of registration from the municipal, county (city) governments where its site is located.The following labor organizations, which were established before the implementation of the Act on May 1, 2011, shall be under the jurisdiction of the Central Competent Authority :1.Conferderated labor union organizations under the jurisdiction of the former Taiwan Provincial Government.2. Those labor unions that are formerly designated by the Central Competent Authority according to the related statutes as in communications, transportations, public utilities which are spanning various administrative districts.
中文原文 工會法施行細則第3條
工會聯合組織依其組織區域,分為全國性工會聯合組織及區域性工會聯合組織。
前項區域性工會聯合組織所稱區域,指直轄市及縣(市)之行政區域。
區域性工會聯合組織會址應設於組織區域範圍內,並向會址所在地之直轄市、縣(市)政府登記及請領登記證書。
本法中華民國一百年五月一日施行前已設立之下列組織,應以中央主管機關為主管機關:
一、原臺灣省轄之工會聯合組織。
二、原經中央主管機關依法劃定之交通、運輸、公用等事業跨越行政區域組織之工會。

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