Refunds for cancelled or significantly delayed or changed flights

In the case of a passenger that holds a nonrefundable ticket on a scheduled flight to, from, or within the United States, an air carrier or a foreign air carrier shall, upon request as set forth in subsection (f), provide a full refund, including any taxes and ancillary fees, for the fare such carrier collected for any cancelled flight or significantly delayed or changed flight where the passenger chooses not to— Any refund required under subsection (a) shall be issued by the air carrier or foreign air carrier— An air carrier and a foreign air carrier may offer a voucher, credit, or other form of compensation as an explicit alternative to providing a refund required by subsection (a) but only if— the offer includes a clear and conspicuous notice of— In this section, the term “significantly delayed or changed flight” includes, at a minimum, a flight where the passenger arrives at a destination airport— The Secretary shall issue regulations requiring air carriers and foreign air carriers to promptly transfer funds to a ticket agent if— An air carrier and a foreign air carrier shall consider a passenger to have requested a refund if— a passenger does not respond to an offer of—