Referendum Act Article 39

If, during the course of a referendum, any of the following acts is committed as part of an unlawful assembly, any person present who aids or abets the act shall be sentenced to imprisonment for not more than one year, detention, or a fine of not more than NT$100,000. The ringleader and any person who commits the act shall be sentenced to imprisonment for not more than five years:1. A person who participates in an open assembly at which surrounding a referendum proposer or joint signer, or his/her workplace or residence.2. A person who participates in an open assembly at which using violence, duress, or other unlawful means to obstruct a referendum proposer or joint signer from carrying out referendum-related activities.
中文原文 公民投票法第39條
公民投票案之進行有下列情事之一者,在場助勢之人,處一年以下有期徒刑、拘役或科新臺幣十萬元以下罰金;首謀及下手實施者,處五年以下有期徒刑:
一、聚眾包圍公民投票案提案人、連署人或其住、居所者。
二、聚眾以強暴、脅迫或其他非法之方法,妨害公民投票案提案人、連署人對公民投票案之進行者。

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