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