Whenever you stay out overnight, you should write a form in residene hall website.
http://ssudorm.ssu.ac.kr/
Login ->click “Mypage”
Empty within 6 consecutive days : click “외박신청” –>”글쓰기”
If it is empty for more than 6 consecutive days: click “장기비움신청”-->”글쓰기
Write it down the form –> click “글쓰기”
*외박신청일: Application date for overnight stay / 구체적 사유 : Specific reasons