Communicable Disease Control Act Article 35

When communicable diseases occur or there is a risk of their occurrence, local competent authorities may impose restrictions, prohibitions, or other adequate measures on farming, fishing, husbandry, swimming, or drinking water in certain areas under their jurisdiction; when necessary, they may request various central competent authorities of their respective enterprises for assistance.
中文原文 傳染病防治法第35條
地方主管機關於傳染病發生或有發生之虞時,對轄區一定地域之農漁、畜牧、游泳或飲用水,得予以限制、禁止或為其他適當之措施;必要時,並得請求中央各目的事業主管機關協助。

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