Regulations for the Organization Procedure, Training Program, Drill and Service of the Voluntary Fire Fighters Article 19

Volunteer firefighters shall wear provided clothing during trainings, drills, and services, and be fully equipped. However, emergency situations are not limited to this.
中文原文 義勇消防組織編組訓練演習服勤辦法第19條
義勇消防人員參加訓練、演習及服勤時,應穿著規定服裝,佩戴齊全。
但情況急迫者,不在此限。

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