Check your visa is extended on the expiry date box, and then you can apply for a certificate of alien registration.
You can apply for a certificate of alien registration by visiting the immigration office or a town office (주민센터).
What to bring: passport
Price: 2,000won
Please check the extended period of Sojourn and make sure to bring it with you when you leave Korea.
Please check your visa expiry date after 7~10 days based on your visa extension date.
Please make sure you check your visa expiry date results in the first place, and then apply for the certificate of alien registration.
If it is impossible to re-enter Korea after leaving Korea with the 'certificate of alien registration' that has not been extended for the period of sojorun due to your carelessness, the institute will not be responsible.