By Marta / LifestyleHealth, Taxes / 2020-05-13

You may have heard My Number (マイナンバー) mentioned in the context of getting the 100,000 yen. What exactly is it? And how can you apply for the plastic My Number card?

What is My Number?

Japanese government introduced the My Number (Individual Number) system to keep track of residents’ taxes, social insurance and other information. Each resident (both Japanese and foreigners) in Japan is issued a 12 digit identification number.

All foreign residents receive a notification for My Number within 2-3 weeks after arriving in Japan. The envelope will be sent to the address you registered at your local ward/city office when you moved in. 

You will receive a simple piece of paper consisting of a green My Number notification card on the top and a white application form at the bottom. 

On the green card you will find the identification number, your name, address, date of birth and date of issuance of the notification card.

The application form is for a plastic My Number card with your picture and an IC chip.

 

My number notification card
My Number notification card and mail application form.
source: https://www.kojinbango-card.go.jp/

How to apply for the My Number card?

There are two ways to apply for a plastic My Number card. You can use the application form you received with the My Number notification card. 

Or you can go to your local ward/city office and apply there if you need to make changes to information on the card (name, address, residence card expiration date, etc).

Apply by mail

In order to apply using the application form you received together with your My Number notification card, just check if the data on the form is correct, write down your phone number, the expiration date of your period of stay. 

On the back of the form you will find fields related to the electronic certificate. Write the application date, name and signature (or seal). Attach an ID picture (4.5cmx3.5cm, facing forward, solid color background). Indicate whether you need the electronic certificate function. 

Put the form in the enclosed envelope and send the application form by mail. 

If you need a new application form, you can obtain one (in English) on the My Number website.
There is also a DIY envelope for sending the form available here.

Appy via smartphone or PC

You can also scan the QR code and make your application online via smartphone or PC (by going to the My Number website). Your data from the paper application form will be input automatically (and cannot be changed). 

You will be asked to take a photo with your smartphone or camera and submit it together with the online application. 

You will also need to provide your date of birth and indicate if you need the electronic certificate function for your My Number card. 

You will receive an email when your application is complete. 

If you want to apply via PC, you will need to enter the 23-digit code from the application form you received together with your My Number notification card. 

The actual form is in Japanese, unfortunately.

My number card online application
Online application form for the My Number card

When you need to go to the city office to apply

If you fall under any of the categories below, you will not be able to use the form.
Then your only option is to apply at your ward/city office.

1) if there has been a change in your address, name  or expiration date of the period of stay so that they don’t match the data written on the application form

2) if the expiration date of the period of stay has been exceeded or is less than 1 month away

Receiving the My Number card

After about 1 month you will receive a postcard notifying you when your My Number card is ready and where to go to get it. 

What to bring with you to the city office:

– the original My Number notification card

– the postcard notifying you that the card is ready

– an ID (residence card or passport) 

There is a time limit – make sure to come to the city office before the deadline!

Setting up the passwords

If you opted for having electronic certificates enabled, you will be asked to set up two passwords.

– A short, 4-digit password (numbers only).
This will serve as a pin code when you need to confirm your identity using the digital certificate stored on the IC chip.

– A longer, 6 to 16-digit password (numbers and letters).
This will be necessary when you use the digital signature function of the My Number card.

What can you do with the My Number card?

If you decide to get a plastic My Number card, you will be able to take advantage of several online services including e-tax, Mynaportal and printing out certificates from the city office at your local convenience store. 

Useful links

MARTA TAKAHASHI
Photographer and explorer with 10 years of experience leaving and working in Japan

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2 thoughts on “Plastic My Number card: how to apply

    1. Hello Aldene, Thank you for your question.
      If you lost the application form, but have the My Number (paper version), you can download a form from here and send it to the address written on the 2nd page. If you don’t know your My Number, you should go to your city office and request a “Certificate of Residence with My Number” first.

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