Can I continue to use digital certificates if I change my name in Address?

Digital certificates for user certification can continue to be used until the expiration date, even if there is a change in Address or name.
The digital certificate for signature will expire due to changes in Address or name, so if you want to continue using it, you will need to change the information on the front of your My Number Card and reissue the digital certificate at the Family Registry Division Registration Section office in your ward office. In addition, you can reissue an electronic certificate at the My Number Card Special Center under the jurisdiction of your ward only if you have completed the procedure for changing the items described.

• Weekday 8:45 am to 5:00 pm
• 2nd and 4th Saturday: From 9:00 a.m. to noon

• Monday, Tuesday, Friday (excluding holidays): 11:30 a.m. to 7:15 p.m.
• Saturdays, Sundays and public holidays: 9:00 a.m. to 4:45 p.m.

※It is not possible to change the information.

※As for the jurisdiction ward of each special center, please see page of my number card special center.

My Number Card only

• About change of Address and name of my number card
• About new issuance and renewal of digital certificate of my number card

※If you are an adult ward under 15 years of age or wish to delegate the procedure to proxy/agent voluntarily, be sure to check the above website.