The TAP card is an IC card similar to Japan's Suica. Benefits of issuing a TAP card: Easy boarding: Above all, it's really convenient to be able to board just by tapping! When paying the bus fare with cash, you don't get change, so you have to carry the exact amount every time. Used it during a trip in October 2025. I think there was some remaining balance, but please be aware that I cannot guarantee it.