Course withdrawal Period(on-line): 2020. 3. 23.(월) ~ 5. 4.(월) 23:59

How to apply for it : Apply for it mysnu website( http://my.snu.ac.kr )

Log in ->student service(학생서비스) ->class/grade(수업/성적) ->class(수업)->정규학기 수강취소->choose the course you want to drop -> fill out the reason -> click save -> click ’취소’
Course withdrawal will be complete after the prof. approves

Keep note that course cancellation can not be changed once the prof. approves