Administrative Procedure Act Article 123

A lawful, beneficial administrative disposition coming under any of the following circumstances may be revoked in whole or in part by the authority rendering the disposition by virtue of its powers:1. Where revocation is permitted by law or regulation;2. Where the authority rendering the disposition has made a reservation of the power to revoke the administrative disposition;3. Where the beneficiary fails to perform his burden imposed by the administrative disposition; 4. Where the law or regulation or the facts based on which the administrative disposition was rendered has undergone changes to the extent that the disposition would result in detriments to the public interest if not revoked; and5. Where revocation is intended to prevent or eliminate material detriments to the public interest.
中文原文 行政程序法第123條
授予利益之合法行政處分,有下列各款情形之一者,得由原處分機關依職權為全部或一部之廢止:
一、法規准許廢止者。
二、原處分機關保留行政處分之廢止權者。
三、附負擔之行政處分,受益人未履行該負擔者。
四、行政處分所依據之法規或事實事後發生變更,致不廢止該處分對公益將有危害者。
五、其他為防止或除去對公益之重大危害者。

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