內地稅新頒函釋已稅車輛、已稅底盤或車身改(加)裝車身或加裝設備徵免貨物稅相關規定。https://law.dot.gov.tw/law-ch/home.jsp?id=18&parentpath=0,7&mcustomize=newlaw_view.jsp&dataserno=202006040001