Regulations for Passenger Ship Administration Article 107

An international passenger ship whose voyage would take seventy-two hours or more shall provide exclusive sick bays, of which the deck area shall be no less than 3.4 ㎡. If the certified number of passengers is 15, an additional area of 1.67 ㎡ shall be required for every additional 50 persons, with the number of less than 50 to be counted as 50 persons.
中文原文 客船管理規則第107條
航程需時滿七十二小時之國際客船,應設置專用病房,其甲板面積,不得小於三點四平方公尺,乘客定額十五人者,每增五十人應增面積一點六七平方公尺,未滿五十人者,以五十人計。

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