만 14세 이상 대한민국 국민이면 누구나 가능, 인천 국제공항을 제외한 전국 공항 국내선에서 이용할 수 있다.
Any Korean citizen over the age of 14 can use it, and it can be used on domestic flights at airports nationwide, excluding Incheon International Airport.
Anyone who is a citizen of South Korea aged 14 and over can use it, available at all national airports except Incheon International Airport.