Airlines and travel agencies (including online travel agencies) will be required to display passenger- and itinerary-specific fees. Airlines will have to provide those fees in a format usable by agencies.
I read through the entire underlying document, to find out what’s actually in it that the press summaries might not offer. It’s always the details that determine whether a proposed rule will benefit consumers or inhibit innovation that might make them better off. Here it looks like something of a mixed bag.