Administrative Litigation Act Article 289

The party initiating the motion for retrial may voluntarily dismiss the motion before the ruling as provided in the preceding two Articles becomes binding.The party initiating the motion for retrial who voluntarily dismissed his/her motion shall lose the right to file the motion.A voluntary dismissal of motion shall be made in writing or oral.
中文原文 行政訴訟法第289條
聲請人於前二條裁定確定前得撤回其聲請。
撤回聲請者,喪失其聲請權。
聲請之撤回,得以書狀或言詞為之。

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