; and (2) in the case of an international flight, 6 or more hours after the original scheduled arrival time. (e) Application to ticket agents Not later than 1 year after the date of enactment of this section, the Secretary of Transportation shall issue a final rule to apply refund requirements to ticket agents in the case of cancelled flights and significantly delayed or changed flights. 42306. Refund portal (a) In general Not later than the date that is 270 days after the date of enactment of this section, the Secretary of Transportation shall require covered entities to prominently display at the top of the homepage of the covered entity’s public internet website a link that passengers eligible for a refund may use to request a refund. (b) Covered entity defined In this subsection, the term covered entity means— (1) an air carrier or foreign air carrier that provides scheduled passenger air transportation by operating an aircraft that as originally designed has a passenger capacity of 30 or more seats