late arrival Seoul AREX Korea korea connectivity 한국 세금 환급 travel Korea airport bus Seoul Korea tourist visa tourist exit record Korea tourist exit procedures Korea 공항 환급 방법 travel to korea Incheon Airport late night transportation tourist overstay Korea consequences airport transportation Korea 외국인 택스 리펀 Incheon Airport to Seoul after midnight Korea tax refund tourist rules Korea hospital visit tourist Korea overstay clearance Korea korea entry requirements k-eta korea Tax refund in Korea late night bus Korea immigration overstay decision Korea tourist visa rules korea illegal work tourist korea immigration risk taxi Incheon Airport Korea travel guide overstay exit risk Korea visa-free Korea 서울 쇼핑 환급 taxi at night Korea visa free korea Korea night bus airport VAT refund Korea tourist medical emergency Korea esim korea korea travel tips korea tourism guide korea mobile internet tourist entry denial korea visa violation travel korea night transportation Korea overstay Korea Myeongdong tax kiosk missed last subway Korea korea sim card Incheon Airport to Seoul