Organization Act of the National Fire Agency, Ministry of the Interior Article 7

The Agency may issue orders to fire agencies at each level for the purpose of executing firefighting and disaster prevention and rescue operations.In the event of a major disaster, the Agency may dispatch personnel, vehicles, equipment, and devices from fire agencies at each level, to support disaster relief.
中文原文 內政部消防署組織法第7條
本署為執行消防及災害防救業務,對各級消防機關得發布署令。
遇有重大災害,本署得逕予調度各級消防機關人員、車輛、裝備、器材支援救災。

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