; (2) air carriers to allow consumers to purchase tickets and pay for applicable taxes and ancillary fees through ticket agents, online travel agents, and metasearch engines that provide flight search tools; (3) air carriers, ticket agents, online travel agents, and metasearch engines that provide flight search tools to disclose all applicable taxes and any ancillary fees charged by an air carrier with respect to a fare that are applicable to the services identified by the purchaser, at any point at which the fare is shown in whole or in part; and (4) air carriers, ticket agents, online travel agents, and metasearch engines that provide flight search tools, in any telephonic communication with a prospective consumer in the United States regarding the cost of air transportation, to inform the consumer of all applicable taxes and any ancillary fees charged by an air carrier in relation to the air transportation and associated services requested by the consumer, at any point at which the cost of the air transportation is disclosed in whole or in part. 204. Disclosure of lowest fares for air transportation (a) In general Section 41712(c)(1) of title 49, United States Code, is amended— (1) in subparagraph (A), by striking and at the end; (2) in subparagraph (B), by striking the period at the end and inserting ; and