Regulations Governing Permission and Management of Homemade Hunting Guns and Spear Guns of Indigenous Peoples and Fishermen Article 22

When the storage place of a homemade hunting gun, its primary components, ammunition, or a homemade spear gun permitted pursuant to Article 7 or Article 9 is changed, the possessor must, within one month following the day when the change takes place, submit the license or approval document and a copy of the application form for change registration to both the former and current municipal or county (city) police departments with jurisdiction over the new and former storage places respectively to apply for change registration..
中文原文 原住民漁民自製獵槍魚槍許可及管理辦法第22條
依第七條或第九條規定許可之自製獵槍、其主要組成零件、彈藥或自製魚槍之保管地變更時,持有人應於變更之翌日起一個月內,連同執照或許可文件及異動申請書,分別親自向變更前、後之直轄市、縣(市)政府警察局辦理異動登記。

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