Administrative Appeal Act Article 27

The right of the representative(s) to represent will not be demolished due to the death, lack of capacity to conduct independently of other administrative appellant(s) who file an administrative appeal jointly or the replacement of other administrative appellant(s)’s legal representative.
中文原文 訴願法第27條
代表人之代表權不因其他共同訴願人死亡、喪失行為能力或法定代理變更而消滅。

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