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