Yes, a Pasmo card can be refunded at any time if you no longer need it. To receive a refund, you must return the physical card to a station office or bus operator office that accepts Pasmo (such as those at Narita or Haneda airports or Tokyo Metro stations). The refund will include the remaining balance on the card plus the ¥500 deposit you paid when you first purchased it. It is important to note that a small handling fee (usually around ¥220) is typically deducted from the remaining balance; however, if the balance is zero, you still receive the full ¥500 deposit back without any deduction. For "Pasmo Passport" (the version designed specifically for tourists), the ¥500 deposit is not refundable, and any remaining balance is forfeited after the card expires. If you have a regular Personalized Pasmo or a Commuter Pass, you will need to provide identification to process the refund. This makes the Pasmo card a very low-risk option for travelers, as you can easily recoup your funds before leaving Japan.