Building Act Article 78

Before to demolishing a building, a demolishing permit shall be applied for. But this is not applicable to the following buildings other than prescribed in Article 83:1. Buildings and miscellaneous works prescribed in Article 16.2. Buildings for which the competent authority of construction gives notices for demolishing them within a time limit due to implementation of urban planning or construction of roads.3. Buildings that must be demolished immediately because they are likely to fall or decay.4. Buildings for which the competent authority of construction gives notices for demolishing them within a time limit or executes coercive demolishing because they infringes this Code or orders issued based on this Act.
中文原文 建築法第78條
建築物之拆除應先請領拆除執照。
但左列各款之建築物,無第八十三條規定情形者不在此限:
一、第十六條規定之建築物及雜項工作物。
二、因實施都市計畫或拓闢道路等經主管建築機關通知限期拆除之建築物。
三、傾頹或朽壞有危險之虞必須立即拆除之建築物。
四、違反本法或基於本法所發布之命令規定,經主管建築機關通知限期拆除或由主管建築機關強制拆除之建築物。

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