The Regulations Governing Permission and Management of Guns, Ammunition, Knives and Weapons Article 22
Whenever the owner of knives goes outdoors with his licensed knives, he shall carry the license with him. When the knives are lost, the owner shall turn in the license to the police department of the municipality or county (city) where his household is registered.
中文原文 槍砲彈藥刀械許可及管理辦法第22條
持有人攜帶經許可之刀械外出者，應隨身攜帶許可證。
刀械遺失時，持有人應向戶籍所在地之直轄市、縣（市）警察局報繳許可證。
刀械遺失時，持有人應向戶籍所在地之直轄市、縣（市）警察局報繳許可證。