Regulations for Passenger Ship Administration Article 56

There shall be entrances provided for passenger cabins in compliance with the requirements shown below. More than two entrances shall be established if the certified number of passengers exceeds 50. Except as otherwise approved by the shipping administration authority or ship register institute, there shall keep as much as possible a suitable space between the entrances.1. Total width of each entrance shall be computed based on the certified number of passengers, 1cm for one person.However, every entrance shall be at least 80cm wide; and2. Every entrance shall not be directly intruded on by rain or waves.
中文原文 客船管理規則第56條
乘客艙室應依下列規定設置出入口,艙室內乘客定額超過五十人者,並應具有二個以上之出入口,除經航政機關或驗船機構認可者外,各出入口之間應儘量保持相當之距離:
一、各出入口之總寬度,應依該艙室乘客之定額,以每人一公分為準計算之。
每一出入口之淨寬至少應為八十公分。
二、各出入口應為不受雨浪直接侵入者。

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