Regulations for Passenger Ship Administration Article 64

Passenger cabins of a passenger ship navigating through frigid zones shall be equipped with efficient heating equipment; however, such equipment may be exempted if the shipping administration authority or ship register institute deems unnecessary, or they cannot practicably be equipped in the ship.
中文原文 客船管理規則第64條
航經寒帶之客船,其乘客艙室應裝置有效之暖氣設備。
但航政機關或驗船機構認為無裝置暖氣之必要或事實上無法裝置者,得免裝置。

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