Rehabilitative Disposition Execution Act Article 83

With regard to the foreigner subject to the disposition of deportation, the prosecutor shall, one (1) month prior to the completion of the punishment or after the pardon, inform the judiciary police agency in advance.
中文原文 保安處分執行法第83條
受驅逐出境處分之外國人,檢察官應於刑之執行完畢一個月前或赦免後,先行通知司法警察機關。

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