Mass Rapid Transit Act Article 49
1. A passenger who is caught on board without a ticket, or with an invalid ticket, or uses a fraudulent ticket that does not match the passenger’s identity must make up the fare and pay a penalty amounting to 50 times of the fare..2. If a passenger cannot prove where his starting station is, the make-up fare and penalty referred to the preceding paragraph will be calculated basing on the maximum fare of a single journey proclaimed by the operation organization of the mass rapid transit system.
中文原文 大眾捷運法第49條
旅客無票、持用失效車票或冒用不符身分之車票乘車者，除補繳票價外，並支付票價五十倍之違約金。
前項應補繳票價及支付之違約金，如旅客不能證明其起站地點者，以營運機構公告之單程票最高票價計算。
前項應補繳票價及支付之違約金，如旅客不能證明其起站地點者，以營運機構公告之單程票最高票價計算。