Regulations for the Administration of Hotel Enterprises Article 21-1
A hotel enterprise that collects payment for self-service beverages shall display the payment collection method, basis of calculation, etc., on a menu and in a clearly visible place on the business premises; if the hotel enterprise has set up a website, it shall also display the same information on the website.
中文原文 旅館業管理規則第21-1條
旅館業收取自備酒水服務費用者，應將其收費方式、計算基準等事項，標示於菜單及營業現場明顯處；其設有網站者，並應於網站內載明。