Assembly and Parade Act Article 29

If an assembly or parade is not dismissed after the competent authority has given a dismissal order, but is still in progress and does not obey the order after being stopped, the instigator shall be sentenced to imprisonment of up to two years or criminal detention.
中文原文 集會遊行法第29條
集會、遊行經該管主管機關命令解散而不解散,仍繼續舉行經制止而不遵從,首謀者處二年以下有期徒刑或拘役。

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