Urban Planning Act Article 80

In addition to compulsory execution, owners, users or managers who fail to dismantle, rebuild, stop using, or restore the land or buildings as described in the preceding paragraph may also be given the sanction of up to six months of imprisonment or detention.
中文原文 都市計畫法第80條
不遵前條規定拆除、改建、停止使用或恢復原狀者,除應依法予以行政強制執行外,並得處六個月以下有期徒刑或拘役。

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