Eva Air levies a cancellation fee to passengers who cancel their reservation after the 24-hour grace period. Your cancellation charges will be calculated that is based on the cancellation period and fare type. Generally, if you cancel your domestic flight, the airline will charge you approx 50 dollars. Whereas if your flight is international, Eva airlines cancellation charges will apply to you for approximately 100 dollars.
https://flightcancellationpoli....cy.com/eva-air-cance