You can apply for renewal starting from 32 days before expiration, and you can apply for renewal from the ‘My Services > Certificate’ menu after logging in.

After application, a certification procedure for renewal is required, and the same certification as the first issuance is required.

- DV certificate: Choose one of domain owner certification / file upload certification / DNS certification

- OV certificate: English business registration certificate copy / phone certification

Once the certification is completed as above, a renewed certificate file will be issued.

Please note that you must replace and install it on the server afterwards.