The Regulations Governing Permission and Management of Guns, Ammunition, Knives and Weapons Article 19

Any person or group, for the purpose of commemoration, decoration, fitness performance or exercise or decent recreation, may apply to own knives. However, if the person or the person in charge of the group meets one of the circumstances as prescribed in the subparagraphs of paragraph 1 of Article 8, the application shall not be granted.
中文原文 槍砲彈藥刀械許可及管理辦法第19條
人民或團體因紀念、裝飾、健身表演練習或正當休閒娛樂之用,得申請持有刀械。
但人民或團體負責人有第八條第一項各款情形之一者,不予許可。

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