The law requires airlines to include all carrier-imposed surcharges when advertising prices.
Federal surcharges can be listed separately, but the advertisement must either have the federal charges clearly displayed or include a prominent link next to the fare that takes a consumer directly to an explanation of additional, government-imposed costs.
The DOT said in the fall of 2011 AirTran displayed an advertisement for a $59 fare on a number of Web sites alongside a note that said other taxes, fees and exclusions would apply. But there was no information on the type of tax or fee, and clicking on the ad directed consumers to a Web site where the fees were described at the "bottom of the page ... in fine print," the DOT said.
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