Regulations Governing the Mediation of Disputes Arising from the Transportation between Civil Aviation Passengers and Aircraft Carriers Article 3

If a carrier is convinced any aircraft will not be able to depart according to scheduled time so that a flight is expected to be delayed for more than fifteen minutes in cases of domestic routes or for more than thirty minutes in cases of international routes, or that air route or place of takeoff and/or landing will be changed, it shall forthwith explain to passengers in detail the reasons therefor, as well as the manners in which it will deal with the situation.If the delayed flight in the preceding paragraph delays more than 5 hours, passengers who do not accept the arrangement of the carrier may claim to refund their tickets from the original ticket sales office and the refund fee shall not be charged by the carrier.