Labor Union Act Article 47

For those labor unions that were organized before the implementation of the Act, if their names, union charters, numbers or terms of services of their directors or supervisors are not consistent with the provisions of the Act, those inconsistencies shall be corrected when the most current general meeting of members or member representatives is convened.
中文原文 工會法第47條
本法施行前已組織之工會,其名稱、章程、理事及監事名額或任期與本法規定不符者,應於最近一次召開會員大會或會員代表大會時改正之。

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