; and (B) by inserting after paragraph (2) the following: (3) independent distributors of travel; ; (2) in subsection (g) by striking first 2 calendar years and inserting first 6 calendar years ; and (3) in subsection (h) by striking September 30, 2017 and inserting September 30, 2023 . 504. Improved notification of insecticide use Section 42303(b) of title 49, United States Code, is amended to read as follows: (b) Required disclosures An air carrier, foreign air carrier, or ticket agent selling, in the United States, a ticket for a flight in foreign air transportation to a country listed on the internet website established under subsection (a) shall— (1) disclose, on its own internet website or through other means, that the destination country may require the air carrier or foreign air carrier to treat an aircraft passenger cabin with insecticides prior to the flight or to apply an aerosol insecticide in an aircraft cabin used for such a flight when the cabin is occupied with passengers; and (2) refer the purchaser of the ticket to the internet website established under subsection (a) for additional information. . 505. Advertisements and disclosure of fees for passenger air transportation (a) Full fare advertising (1) In general Section 41712 of title 49, United States Code, is amended by adding at the end the following: (d) Full fare advertising (1) In general It shall not be an unfair or deceptive practice under subsection (a) for a covered entity to state in an advertisement or solicitation for passenger air transportation the base airfare for the air transportation if the covered entity clearly and separately discloses— (A) the government-imposed fees and taxes associated with the air transportation