Hotels, short-term rentals and event ticket-sellers must advertise the full price of their offerings under the rule, which is supposed to go into effect in the coming year. Here’s what to know. Prices (Fares, Fees and Rates), Travel and Vacations, Regulation and Deregulation of Industry, Advertising and Marketing, Hotels and Travel Lodgings, Consumer Protection, Federal Trade Commission, United States Hotels, short-term rentals and event ticket-sellers must advertise the full price of their offerings under the rule, which is supposed to go into effect in the coming year. Here’s what to know. NYT > Business