Police Power Exercise Act Article 21

For the need to prevent danger and harm, the police may seize military weapons, lethal weapons or other dangerous objects.
中文原文 警察職權行使法第21條
警察對軍器、凶器或其他危險物品,為預防危害之必要,得扣留之。

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