Can I cancel a Eurail/Interrail Pass and what are the costs?
Eurail/Interrail Global Passes and One Country Passes can be cancelled at your original point of sale.
The costs of cancelling a paper or mobile Eurail/Interrail Pass before the first day of validity is 15%, with a minimum of € 5.
The cost of cancelling a paper Eurail/Interrail Pass between the first day of validity and 1 month after its validity expires, is 15%, with a minimum of € 15.