Regulations on Election and Recall in Civil Associations Article 19

Where laws and regulations or the constitutions of civil associations limit the number of people to be elected in civil associations according to the percentage, the number of candidates to be elected shall be calculated separately in accordance with the provisions of Article 15. In case of vacancies, alternates of the same category shall fill the vacancies in due order.
中文原文 人民團體選舉罷免辦法第19條
人民團體選舉之當選名額,依法令或章程規定應受選出名額產生比例之限制者,應按其應選出名額產生比例,依第十五條之規定分別計算之。
如遇有缺額遞補時,應以同類之候補當選人依次遞補。

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