KDDI’s Privacy Policy

Appendix 6: Requesting Disclosure of Personal Data

KDDI accepts requests for disclosure of personal data in KDDI’s possession and other inquiries about personal data through the following procedures. Please note that KDDI may not be able to respond to requests for disclosure of personal data through other methods.

1. Contact information for making a request for disclosure

First, call the following office to make a request for the disclosure of personal data. After KDDI receives your request, KDDI will send the documents necessary to disclose your personal data. You can also download the personal data disclosure request form from the KDDI website.

KDDI Corporation Personal Data Disclosure Consultation Office

Phone number: 03-6670-6684 (9:00 to 17:00 excluding weekends, national holidays, and Year End/New Year holidays)

Download PDF fileAppendix 1: Personal Data Disclosure Request Form (in Japanese only) (289KB)

Download PDF fileAppendix 2: User Consent Form (in Japanese only) (135KB)

Download PDF fileAppendix 3: Proxy Form (in Japanese only) (96KB)

2. Documents to be submitted when making a request for disclosure, etc.

When making a request for disclosure, etc., please provide all necessary information in the following Request Form (A) sent from KDDI and send it back to the following address along with a personal ID (B) and postal money order (C).

(A) Request Form

  • 1)
    Personal Data Disclosure Request Form [1]
  • 2)
    User Consent Form [2]
  • [1]
    When submitting a Personal Data Disclosure Request Form, please be as specific as possible with your answers regarding items that you wish to be disclosed.
  • [2]
    If you are requesting a disclosure of calling history on the au Communications Services, submit a User Consent Form if you have registered with the user registration system for your subscription.

(B) Personal ID

One of the documents listed under (a) below and the documents listed under (b)

  • (a)

    Document that verifies your identity (hereinafter referred to as "Personal ID")
    One of the following documents that include the same name and address as those of the person making the request for disclosure (name and address in the Personal Data Disclosure Request Form):

    • 1)
      Copy of driver's license
    • 2)
      Copy of passport
    • 3)
      Copy of health insurance card
      (Mask the insurer number and your insurance code/number)
    • 4)
      Copy of residence card or special permanent resident certificate
    • 5)
      Copy of Individual Number Card (My Number Card)
      (Only the copy of the front side with face photo)
    • 6)
      Copy of Basic Resident Register Card
    • 7)
      Copy of identification booklet for the physically disabled, rehabilitation certificate, or mental disability certificate
    • *
      When sending 7), please also send a utilities receipt or a residence certificate as supplementary document.
  • (b)

    The following documents that were issued within 30 days of the date of request for disclosure, etc.:
    (These documents must be official copies issued by government offices, not copies made by yourself.)

    • 1)
      Copy of residence certificate
    • 2)
      Copy of alien registration card

(C) Postal money order (service charge for processing your request for disclosure, etc.)

  • *
    Please refer to 4. Service charge and payment method for a request for disclosure, etc.

Please send the documents (A), (B), and (C) to:
Postal code: 163-8509
KDDI Bldg. 2-3-2 Nishi-shinjuku, Shinjuku-ku, Tokyo
KDDI Corporation Personal Data Disclosure Consultation Office
Please note that we do not respond to requests in person at our office.

3. Request for disclosure, etc. by proxy

If the person making the request for disclosure, etc. is the statutory agent of a minor or an adult ward, or a representative appointed by the identifiable person to request the disclosure, etc., please include the following documents (D) and (E) in addition to the above documents (A) and (C).

(D) If you are a statutory agent

All three documents from (1) to (3) below

  • 1)
    A document evidencing your qualification as statutory agent, such as a copy of family register, extract of family register, family court certificate, or certificate of registered information (Must be issued within 30 days of the date of request for disclosure, etc.)
  • 2)
    Copy of the agent’s Personal ID
  • 3)
    Copy of the identifiable person’s Personal ID

(E) If you are an appointed representative

All four documents from (1) to (4) below

  • 1)
    Proxy Form (KDDI’s official form that will be sent with the application documents.)
  • 2)
    Document confirming that the Proxy Form is written by the identifiable person
    (Seal registration certificate for the seal affixed to the Proxy Form)
  • 3)
    Copy of the representative’s Personal ID
  • 4)
    Copy of the identifiable person’s Personal ID

4. Service charge and payment method for a request for disclosure, etc.

A service charge of 1,000 yen (tax-free) is required to make one application.
Please include a postal money order worth 1,000 yen (tax included) when sending the necessary documents for requesting disclosure of personal data. Postal money orders can be purchased at your local post office or JP Bank office.

5. Response to a request for disclosure, etc.

KDDI will respond to your request for disclosure, etc. in writing, sent to your billing address (in the case of non-subscribers, the address specified on your request form).

6. Purpose of use of personal data collected for the request for disclosure, etc.

KDDI handles the personal data collected to respond to the request for disclosure, etc. only to the extent necessary to respond to the specific request for disclosure, etc. After the closure of the request for disclosure, etc., the submitted documents will be preserved for one year and discarded thereafter.

  • *
    Reasons for non-disclosure of personal data

KDDI will not disclose personal data in the following cases. Once KDDI decides not to disclose personal data, KDDI will inform you to that effect along with the reason therefor. Service charge still applies for non-disclosure cases.

  • Identity cannot be verified (e.g. Address provided in the Personal Data Disclosure Request Form, address printed on the Personal ID, and address registered with KDDI do not match)
  • Qualification for acting as a proxy cannot be confirmed in the case of application by proxy
  • Application documents contain an error
  • Data requested to be disclosed is not by definition "personal data" under the Personal Information Protection Act
  • The disclosure has a risk of harm to the individual’s or a third party’s life, physical well-being, property, or other rights or benefits
  • The disclosure has a risk of causing significant problems to the proper implementation of KDDI’s business operations
  • The disclosure constitutes a violation of another law or regulation