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About "information cooperation" of my number (social security, tax number) system

The last update date:
Department of Planning and Development Information Policy Division 
TEL: 096-333-2143 
FAX: 096-381-8211 
Email [email protected]


About "information cooperation" of my number (social security, tax number)

  ○Using network system exclusive based on the number method my with information cooperation,
   It is to exchange specific personal information based on mark generated between different administrations by my number.
  ○For more details, please see attachment flyer.
       PDF Flyer ‗ information cooperation We open with the other window(PDF: 846.3 kilobytes)

■May my number not leak out by information cooperation?

 Using mark which was written for each information possession organization without using my number by information cooperation directly,

We prevent that information leaks out one after another and take various measures.


■Can you confirm record of information cooperation?

   We can confirm with function "exchanges history" of Web Service "mainapotaru".

  Login to mainapotaru needs my number card.




■Information more detailed about my number to my number (social security, tax number) system homepage of the Cabinet Secretariat. Call center is established, too.

   Common question (FAQ) and latest information of my number system are placed in homepage of my number (social security, tax number) system of the Cabinet Secretariat. We link to special sites such as specific personal information protection Committee, Ministry of Internal Affairs and Communications, National Tax Agency, Ministry of Health, Labour and Welfare.

  Please search with "my number".

http://www.cas.go.jp/jp/seisaku/bangoseido/index.html With new window(external link)

From October, 2014, call center of my number is established. Wanting to know person having any questions about my number and more detailed information, please feel free to contact.

Phone number 0120-95-0178

Establishment time weekdays from 9:30 to 20:00 Saturdays, Sundays, and holidays from 9:30 to 17:30 (except New Year holidays)


 ■We accept about temporary suspension of my number card by loss or theft 24 hours a day, every day







We relate to this page

Department of Planning and Development Information Policy Division
Telephone: 096-333-2143
Fax: 096-381-8211
Email [email protected]
(ID: 20926)
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Kumamoto prefectural government office   〒 862-8570  6-18-1, Suizenji, Chuo-ku, Kumamoto-shi, Kumamoto Tel: 096-383-1111 (main)
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