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About summary of my number card (electronic certificate)

My Number Card is a card that allows you to prove your My Number (Personal Number) and identify yourself at the same time. For information on how to apply, please see the page on applying for a My Number Card.

Last update date April 11, 2024

Overview of My Number Card

Overview of My Number Card
Items Remarks
Issue start date after January, 2016
Material Plastic card with IC chip
Size Business card size
Items to be entered
  • My Number (Personal Number)
  • Name
  • Date of Birth
  • Gender
  • Address
  • Face photo
Expiration date

10th birthday after issuance
(Electronic certificate is 5th birthday after issuance)

Fees

New issuance and updates are free of charge
Loss, etc. will be charged.

Braille name Only those who wished
Digital certificates that can be installed
  • Digital certificate for user certification
  • Digital Certificate for Signature

If your Address or name changes, you will need to change the information on your My Number Card. Specifically, please see page about Address and name change of my number card.

Sample of my number card

Digital Certificate (Public Personal Authentication Service)

My Number Card can be equipped with two types of digital certificates.

Digital certificate for user certification

  • It is used to log in to an Internet site or a kiosk terminal.
    • Login to administrative sites (minor portals, etc.)
      • It is also used to link health insurance cards.
    • Login to a private site (online banking, etc.)
    • Use of convenience store delivery service
  • You can prove that you are the person who logged in is you.

Digital Certificate for Signature

  • It is used to create and send electronic documents over the Internet.
    • Electronic application (e-Tax, etc.)
    • Registration of private online transactions (online banking, etc.)
  • You can prove that "the electronic document created and sent is the genuine one you created and the one you sent."

※If you are under 15 years of age, you will not be equipped with a digital certificate for signature.

Expiration date of My Number Card and Digital Certificate

Japanese, special permanent residents, or foreign nationals whose status of residence is a permanent resident or highly professional profession second

At the time of issuance

My Number Card
Expiration date

Expiration date of digital certificate
(anyever comes first)

Adults

10th birthday from the date of issue

5th birthday or after the date of issue
Expiration date of My Number Card

A minor

5th birthday from the date of issue

5th birthday or after the date of issue
Expiration date of My Number Card


※If you have a My Number card with two types of digital certificates and reissue only the signature digital certificate due to a change in Address or name change, the expiration date of the digital certificate for signature to be reissued.

Foreign nationals other than those listed above
Classification

My Number Card and
Expiration date of digital certificate

Permanent residents, other than those of highly specialized professionals
Medium- to long-term residents

Expiration date of the period of stay
Temporary asylum permitter or temporary stay permit Date on which the landing period or temporary stay period has passed

Transitional resident or
Transitional residents due to loss of nationality

From the date of birth or loss of Japanese nationality
Day after 60 days


When the expiration date of the period of stay or the status of residence has changed

If the expiration date of the period of stay is extended, obtaining permanent residence, naturalization, or a special period of the period of stay, etc., it is necessary to change the expiration date of the My Number Card and reissue a digital certificate. Specifically, please see page about Address and name change of my number card.

Method of confirming the expiration date of the digital certificate

You can check the expiration date of the digital certificate from the dedicated application of the public personal authentication service called user client software. For details, please see the public personal authentication service portal site (outside site).

My Number Card, Digital Certificate PIN

You can set the same number for the 4-digit PIN number.
Type Number of characters and digits Applications
For Basic Resident Register 4 digits Use when submitting a transfer notice at a municipal office or for updating Address or name.
Assistance for entry of ticket information 4 digits Used to read that information as text data when performing clerical work using My Number, Address, or Name
For digital certificates for user certification 4 digits Used to log in to minor portals and convenience store delivery services
For signature digital certificates

Mixed alphanumeric characters
6 digit to 16 digits

Used when sending electronic documents such as e-Tax final income tax return

If you enter the wrong 4-digit PIN three times and the PIN for the signature digital certificate 5 times, the lock will be locked. For information on unlocking procedures, please see the page on changing the PIN of My Number Card (Digital Certificate).

Smartphone card reader that supports My Number Card

Smartphones and card readers that support My Number Cards are available on the public personal authentication service portal site. Please check in advance and use it.

About copying and transcription of my number

Copying and transcription of My Number listed on the back is prohibited (*), so please be careful when presenting your My Number Card as identity verification documents at the counter.
※In the social security, tax, and disaster response fields, except when the use of My Number is used for procedures that are legally permitted

For inquiries to this page

Dial for exclusive use of Yokohama City My Number Card

Phone: 0120-321-590

Phone: 0120-321-590

Fax: 045-350-8484

Civic Affairs Bureau Contact Service Dept.

Phone: 045-671-2176

Phone: 045-671-2176

Fax: 045-664-5295

Email address: sh-madoguchi@city.yokohama.jp

Return to the previous page

Page ID: 265-029-218

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