Teachers’ Act Article 39

There are three levels of teacher organizations: the Institutional Level Teachers Associations, at educational institutions; the Local Teachers Associations, at the municipal, and county (city) level; and the National Teachers Associations, at the central level.If an educational institution has fewer than twenty classes, it may work with other educational institutions to set up an inter-district (-township, -town) educational institution teachers association.To establish a teachers’ organization at any level, an application shall be made to the appropriate Competent Authority in accordance with the provisions of Civil Associations Act.Each Local Teachers Associations shall consist of at least half of the educational Institutional Level Teachers Associations in its district to be allowed to be established. A National Teachers Associations shall have at least half of the Local Teachers Associations as members to be allowed to be established.
中文原文 教師法第39條
教師組織分為三級:在學校為學校教師會;在直轄市及縣(市)為地方教師會;在中央為全國教師會。
學校班級數少於二十班時,得跨區(鄉、鎮)合併成立學校教師會。
各級教師組織之設立,應依人民團體法規定向該管主管機關申請辦理。
地方教師會應有行政區內半數以上學校教師會加入,始得設立。
全國教師會應有半數以上之地方教師會加入,始得成立。

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