Regulations for Passenger Ship Administration Article 18

The term "cabin passenger" when used herein shall mean passengers who hold cabin passenger tickets and use passenger cabins.The term "steerage passenger" when used herein shall mean passengers who hold steerage passenger tickets and use steerage cabins.The term "deck passenger" when used herein shall mean passengers who are carried on tween decks or weather decks without designated seats or sleeping places.
中文原文 客船管理規則第18條
本規則所稱房艙乘客,指持有房艙客票,使用房艙之乘客。
本規則所稱統艙乘客,指持有統艙客票,使用統艙之乘客。
本規則所稱甲板乘客,指搭載於中甲板間或露天甲板上,無固定坐臥處之乘客。

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