Code of Civil Procedure Article 44-1

Multiple parties with common interests who are members of the same incorporated charitable association may, to the extent permitted by said association's purpose as prescribed in its bylaws, appoint such association as an appointed party to sue on behalf of them.Where an incorporated association initiates an action for monetary damages on behalf of its members in accordance with the provision of the preceding paragraph, if the entire body of the appointing parties agrees to allow the court to grant the full amount of a monetary award to them as a whole body and prescribes how such total award shall be distributed, and furthermore, if the entire body has filed a pleading to such effect, then the court may award a total sum of money to the entire body of the appointing parties without specifying the amount that the defendant must pay to each of the appointing parties respectively.The provisions of Articles 42 and 44 shall apply mutatis mutandis to the circumstance provided in the first paragraph of this article.
中文原文 民事訴訟法第44-1條
多數有共同利益之人為同一公益社團法人之社員者,於章程所定目的範圍內,得選定該法人為選定人起訴。
法人依前項規定為社員提起金錢賠償損害之訴時,如選定人全體以書狀表明願由法院判定被告應給付選定人全體之總額,並就給付總額之分配方法達成協議者,法院得不分別認定被告應給付各選定人之數額,而僅就被告應給付選定人全體之總額為裁判。
第一項情形準用第四十二條及第四十四條之規定。

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