Public Nuisance Dispute Mediation Act Article 20

Several persons sharing a common interest in a public nuisance dispute may elect, among themselves, one or several persons to apply for mediation or proceed with mediation on behalf of all.The elected person or persons may be replaced, or their number increased or reduced.The election referred to in Paragraph 1 above, and the replacement, increase and reduction referred to in the foregoing paragraph of this Article, shall be conducted in writing, and the person or persons concerned shall be notified.
中文原文 公害糾紛處理法第20條
多數有共同利益之公害糾紛當事人,得由其中選定一人或數人為全體申請或進行調處。
被選定之人得予更換或增減之。
第一項之選定及前項之更換或增減,應以書面為之,並通知相對人。

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