Vehicle License Tax Act Article 29
If transportation equipment is used on public water or land routes without having applied for and obtained a temporary license plate or an automobile testing license plate in accordance with relevant traffic management regulations, or if such equipment is used beyond the expiration date of the aforementioned license plates, the owner or user of the said equipment shall be ordered to pay the tax and shall additionally be fined an amount less than or equal to the tax payable, unless the circumstances fall under Paragraph 2 of the preceding article or Article 30.
中文原文 使用牌照稅法第29條
未依交通管理相關法規申領臨時牌照、試車牌照或已逾上開牌照使用期限之交通工具,使用公共水陸道路經查獲者,除適用前條第二項或第三十條之情形外,應責令補稅,並處以應納稅額一倍以下之罰鍰。