The Administrative Execution Act Article 22

For any of the following circumstances, the branch of Administrative Enforcement Agency shall send a written notification to the Custodian Institution to release the inmate.1. The obligation has been completely performed or finished executing.2. The execution ceases because the revocation or alteration of the administrative disposition or ruling has been confirmed.3. The custody is up.4. The obligor already provided security for the obligation performance.
中文原文 行政執行法第22條
有下列情形之一者,行政執行處應即以書面通知管收所釋放被管收人:
一、義務已全部履行或執行完畢者。
二、行政處分或裁定經撤銷或變更確定致不得繼續執行者。
三、管收期限屆滿者。
四、義務人就義務之履行已提供確實之擔保者。

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