Maritime Act Article 85
If the passenger does not come on board by the time fixed for embarkation or during the voyage or is ordered to leave the ship by the shipmaster acting within his authority for taking emergency action, the passenger shall nevertheless pay the full amount of the ticket fare.
中文原文 海商法第85條
旅客在船舶發航或航程中不依時登船，或船長依職權實行緊急處分迫令其離船者，仍應給付全部票價。