The Regulations Governing Permission and Management of Guns, Ammunition, Knives and Weapons Article 21
Any person or group, before applying to import/export knives, shall submit information such as the model, catalogue, quantity and purpose of the knives to the competent authority of the municipality or county (city) where his household is registered or its principal business office is located for the approval document, which shall be taken to the branch offices of the Customs Administration of the Ministry of Finance to apply for inspection and customs clearance; if the approval document is lost or damaged, its replacement shall be applied for.Before purchasing the knives in the domestic market, the person or group shall submit information such as their model, catalogue, quantity and purpose to the competent authority of the municipality or county (city) where his household is registered or its principal business office is located to apply for the approval certificate.The person or group shall apply to the police department of the municipality or county (city) where his household is registered or its principal business office is located for inspection and the issuance of a license in accordance with the preceding Article within 7 days following the day when the knives are purchased as prescribed in the preceding two paragraphs
中文原文 槍砲彈藥刀械許可及管理辦法第21條
人民或團體申請進出口刀械前，應檢附刀械型錄、型號、數量及用途等資料，向戶籍所在地、主事務所所在地之直轄市、縣（市）主管機關申請同意文件，並持向財政部關務署所屬各關申請查驗通關；同意文件遺失或毀損時，應申請補發。
於國內購置刀械前，應檢附刀械型錄、型號、數量及用途等資料，向戶籍所在地、主事務所所在地之直轄市、縣（市）主管機關申請同意文件。
前二項刀械於進口或購置持有之翌日起七日內，應依前條規定，持向戶籍所在地之直轄市、縣（市）警察局申請查驗及核發許可證。
於國內購置刀械前，應檢附刀械型錄、型號、數量及用途等資料，向戶籍所在地、主事務所所在地之直轄市、縣（市）主管機關申請同意文件。
前二項刀械於進口或購置持有之翌日起七日內，應依前條規定，持向戶籍所在地之直轄市、縣（市）警察局申請查驗及核發許可證。