Civil Defense Act Article 13

When civil defense activity is needed in the event of war or emergencies, the competent authority may coordinate with local health authorities to issue procurement orders to purchase medicines, medical supplies for emergency medical treatment, and other materials necessary for civil defense as designated and announced by the Executive Yuan.
中文原文 民防法第13條
主管機關因民防工作之必需,於戰時或事變時,得協調地方衛生主管機關簽發徵購命令,徵購供急救醫療使用之藥品醫材及其他經行政院指定公告之民防必需物資。

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