one method
Account has an expiration date of 24 months of inactivity. After that time, the remaining amount will be issued in the form of an electronic travel certificate (ETC). The ETC is valid for one year from the date the certificate is originally issued to the account owner.
otherwise
Only valid for air travel purchases, including ticket, taxes and surcharges.
Deposits made to the TravelBank account are non-refundable.
Accounts are non-transferable.