; (2) refunds; (3) bumping of passengers from flights and the oversale of flights; and (4) lost, delayed, or damaged baggage. (b) Location Such posters shall be displayed in conspicuous locations throughout the airport, including ticket counters, security checkpoints, and boarding gates. . (B) Clerical amendment The analysis for chapter 423 of title 49, United States Code, as amended by section 703(b), is amended by inserting after the item relating to section 42306 the following: 42307. Know your rights posters. . (3) Effective date The amendments made by this subsection shall take effect on the date that is 1 year after the date of enactment of this section. 705. Disclosure of ancillary fees (a) Flexibility (1) In general In determining whether a practice is an unfair or deceptive practice under section 41712 of title 49, United States Code, with respect to the disclosure of ancillary fees, the Secretary, shall provide air carriers, foreign air carriers, and ticket agents with the flexibility to develop the manner in which such information is transmitted to consumers as long as such information (consistent with the objective of assuring that consumers are provided with useable, current, and accurate information on critical ancillary fees in a format that the consumer can easily compare multiple flight options) is— (A) presented to the consumer in a reasonable and transparent manner prior to booking; and (B) displayed in a format that assists the consumer in making more informed decisions. (2) Critical ancillary fees defined For purposes of paragraph (1), the term critical ancillary fees means— (A) fees for— (i) the first and second checked bag of an airline passenger; (ii) one carry-on bag of an airline passenger; (iii) changing or canceling a reservation; and (iv) adjacent seating when traveling with a child that is 13 years of age or younger