Assembly and Parade Act Article 5

For legally held assemblies and parades, they must not be obstructed through violence, intimidation, or other unlawful means.
中文原文 集會遊行法第5條
對於合法舉行之集會、遊行,不得以強暴、脅迫或其他非法方法予以妨害。

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