Regulations for Passenger Ship Administration Article 88

Any passenger ship shall provide sufficient fresh water for all crew members and passengers to the next port where the fresh water are available.The supply of fresh water for crew members and passengers each day shall be as follows:1. For crew and cabin passengers: no less than 20 liters; and2. For steerage passengers: no less than 12 liters.The shipping administration authority or ship register institute may reduce the supply of fresh water mentioned in the preceding paragraph depending on the actual situation.
中文原文 客船管理規則第88條
客船應置備清潔淡水,足供該船全體船員及乘客在到達可供淡水之次一港口之用。
船員及乘客每日使用淡水標準如下:
一、船員及房艙乘客不得少於二十公升。
二、統艙乘客不得少於十二公升。
前項標準航政機關或驗船機構得視實際情況核減。

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