Enforcement Rules of the Communicable Disease Control Act Article 7

The notification made by local competent authorities in accordance with regulations of Paragraph 2, Article 25 of the Act, shall be in writing.Under emergency circumstances, however, this regulation does not apply.
中文原文 傳染病防治法施行細則第7條
地方主管機關依本法第二十五條第二項規定所為之通知,應以書面為之。
但情況急迫者,不在此限。

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