Administrative Procedure Act Article 29
Notwithstanding that parties with common interest have elected a party or parties or have had a party or parties assigned for them, they are entitled to replace any of such party or parties or increase or decrease the number thereof.An administrative authority shall be entitled to replace any party or parties assigned by it or increase or decrease the number thereof if necessary for the interest of the parties with common interest.In the case of disqualification of any party or parties under any of the two preceding paragraphs, the other elected or assigned party or parties shall be entitled to act in administrative procedure for and on behalf of all parties.
中文原文 行政程序法第29條
多數有共同利益之當事人於選定或經指定當事人後，仍得更換或增減之。
行政機關對於其指定之當事人，為共同利益人之權益，必要時，得更換或增減之。
依前二項規定喪失資格者，其他被選定或指定之人得為全體為行政程序行為。
行政機關對於其指定之當事人，為共同利益人之權益，必要時，得更換或增減之。
依前二項規定喪失資格者，其他被選定或指定之人得為全體為行政程序行為。