Administrative Litigation Act Article 205

A judgment announced will take effect irrespective of whether the parties appear in person to hear the announcement.After a judgment is announced or published, the parties may, without waiting for its service, conduct acts of litigation on the basis of such judgment.
中文原文 行政訴訟法第205條
宣示判決,不問當事人是否在場,均有效力。
判決經宣示或公告後,當事人得不待送達,本於該判決為訴訟行為。

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