The Regulations Governing Permission and Management of Guns, Ammunition, Knives and Weapons Article 24
When any person or group meets any of the circumstances as prescribed in the subparagraphs of paragraph 1 of Article 5-2 of the Act, the owner of or heir to the knives and license, within 15 days following the day when the approval is revoked or cancelled, shall submit the knives and license to the government of the municipality or county (city) where his household is registered to get the knives acquired with a negotiated price; if no one turns in the knives, the government of the municipality or county (city) where the household is registered shall confiscate them.
中文原文 槍砲彈藥刀械許可及管理辦法第24條
人民或團體有本條例第五條之二第一項各款規定情形之一者，其刀械及許可證持有人或其繼承人應於撤銷或廢止其許可翌日起十五日內，連同執照報由戶籍所在地之直轄市、縣（市）政府給價收購；無報繳人者，由戶籍所在地之直轄市、縣（市）政府收繳。