Regulations for Passenger Ship Administration Article 104
An international passenger ship shall provide public rest rooms, for men and women separately, with flush toilets and partition boards. The number of flush toilets shall be calculated based on the passenger quota as follows; there shall also be some urinals provided for male passengers:1. For an international passenger ship whose voyage takes less than 12 hours, at least one flush toilet for every 75 passengers shall be set up. When the number of passengers is less than 75, it shall be deemed as 75.2. For an international passenger ship whose voyage takes more than 12 hours but less than 24 hours, at least one flush toilet for every 50 passengers shall be set up. When the number of passengers is less than 50, it shall be deemed as 50.3. For an international passenger ship whose voyage takes more than 24 hours, at least one flush toilet for every 25 passengers shall be set up. When the number of passengers is less than 25, it shall be deemed as 25.If there are flush toilets in passenger cabins, the certified number of cabin passengers may be excluded from the calculation of the number of flush toilets.
中文原文 客船管理規則第104條
國際客船應為乘客分別設置男女專用公共廁所。
廁所應設抽水式大便器及設有隔間，大便器數量按乘客定額計算，其基準應符合下列規定，並應增設若干男用小便器：
一、航程未滿十二小時者，每滿七十五人至少一個，未達七十五人者，以七十五人計。
二、航程十二小時以上未滿二十四小時者，每滿五十人至少一個，未達五十人者，以五十人計。
三、航程二十四小時以上者，每滿二十五人至少一個，未達二十五人者，以二十五人計。
前項乘客定額計算，得扣除已設置大便器之房艙乘客定額人數。
廁所應設抽水式大便器及設有隔間，大便器數量按乘客定額計算，其基準應符合下列規定，並應增設若干男用小便器：
一、航程未滿十二小時者，每滿七十五人至少一個，未達七十五人者，以七十五人計。
二、航程十二小時以上未滿二十四小時者，每滿五十人至少一個，未達五十人者，以五十人計。
三、航程二十四小時以上者，每滿二十五人至少一個，未達二十五人者，以二十五人計。
前項乘客定額計算，得扣除已設置大便器之房艙乘客定額人數。