입국자 면세 혜택의 부적합, 마약·테러 우범자나 유행병 감염자 추적의 어려움, 출국장·기내 면세점 매출 감소 등등의 반대 이유가 되풀이됐다.
The reasons for the inappropriateness of immigrant tax exemption benefits, the difficulty in tracking down drug, terrorist and epidemic infected persons, and the decrease in sales of departure places and in-flight duty-free shops were repeated.