Administrative Litigation Act Article 237-26

If, when a case reviewing an urban plan is pending at the Court and has not been concluded, if the same urban plan was declared unconstitutional by a judgment rendered by the Constitutional Court, the High Administrative Court may, at its discretion, stay the proceeding by a ruling pending the conclusion of the judicial interpretation.
中文原文 行政訴訟法第237-26條
都市計畫審查程序事件已經訴訟繫屬尚未終結,同一都市計畫經聲請憲法法庭判決宣告違憲者,高等行政法院在憲法法庭審理程序終結前,得以裁定停止訴訟程序。

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