Regulations for the Administration of Hotel Enterprises Article 21

The room rates for guest rooms in a hotel enterprise, as well as the changes in those rates, shall be reported to the local administrative authority.The actual charges for guest rooms by the hotel enterprise shall not be higher than the fixed rates as mentioned in the preceding paragraph.A hotel enterprise shall display room rates, lodgment rules, and maps of emergency exits in highly visible and brightly lighted places in the guest rooms.
中文原文 旅館業管理規則第21條
旅館業應將其客房價格,報請地方主管機關備查;變更時,亦同。
旅館業向旅客收取之客房費用,不得高於前項客房價格。
旅館業應將其客房價格、旅客住宿須知及避難逃生路線圖,掛置於客房明顯光亮處所。

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