Security Policy

Privacy policy

This website collects personal information from its users insofar as necessary to smoothly run its services (including providing information on its web pages and receiving users' opinions).
In collecting, using, and handling personal information, the Tokyo Metropolitan Government takes proper measures as described below, based on the "Act on the Protection of Personal Information" (Law No.57 of 2003), and endeavors to provide a website that everyone can use with peace of mind.

Definition of Privacy Policy

The Tokyo Metropolitan Government (The implementing body*) receives personal information, such as addresses, names, phone numbers, email addresses, and other personally identifiable information via the use of this website.
* "Implementing body" refers to those that handle the relevant personal information, namely the Governor of Tokyo, administrative commissions, the directors of public enterprises, Fire Chief, and the directors of administrative bodies stipulated by Tokyo Metropolitan Government regulations.

Scope of Privacy Policy

This privacy policy applies only to this website and does not apply to sites this website may have links to.
The handling of information on linked websites falls under the responsibility of the respective owners/providers.

Collection of personal information

As a general rule, the personal information the Tokyo Metropolitan Government (implementing body) collects via this website is voluntarily provided (registered) by users.
The purpose for collecting that personal information will be stated.
The Tokyo Metropolitan Government limits the collection of personal information to what is necessary to achieve the purposes specified to users.

Purpose for the collection of personal information

The Tokyo Metropolitan Government (the implementing body) handles personal information via the use of this website in the scope of the purpose of utilization as follows.
Names, email adress: for contact

Restrictions on the use of personal information

The Tokyo Metropolitan Government (the implementing body) uses personal information provided (registered) by users only for the purposes specified as follows.
Address, name, phone number, email address: To contact the holder.
The relevant implementing body* will never use this personal information outside the purposes stated at collection, nor will this personal information be conveyed to any parties other than the implementing body, unless otherwise specified by law.
However, statistical data on user attributes, etc., obtained through the operation of this website, may be made public, but this data will not contain personal information.

Handling of personal information

The Tokyo Metropolitan Government (implementing body) will handle all collected personal information securely and carefully and take proper measures to prevent any unauthorized disclosure, use, alteration, etc.
The management of this website may be entrusted to an external party. This contractor will also take proper measures in an identical manner to the described above.

Non-personally identifying information

This website automatically collects information on Internet domain names, IP addresses, and the user environment in which the website is viewed (hereinafter referred to as "non-personally identifiable information").
This website limits the collection of non-personally identifiable information to what is necessary to improve the usability of this website, and this information will only be used for that purpose.
However, statistical access data and user environment data for this website may be released to the public.

Use of Google Analytics

Provided by Google Inc.
Information collected: Use status of this website by users (access status, traffic, routing, etc.)
Purpose of use:Improve the usability of the website.
Google Inc. will collect and use the website's use status.

For details, please refer to the following website.

For the privacy policy of Google Inc., please refer to the following website.

Information on Google Analytics is also available from the following site.

Google Custom Search

This website conducts measurements using Google Custom Search provided by Google Inc. aiming to improve the usability and content of the website.
The use of Google Custom Search is based on the terms of service of Google Custom Search.

Social Networking Service (SNS)

In some SNS, if you view a website with a SNS button, your user ID, the website you have accessed, and other information may be automatically sent to SNS from the website without clicking on the button.
For details, please refer to the following links.

Copyright (when not using the Creative Commons License)

Each piece of information posted on this website (texts, photos, illustrations, etc.) is subject to copyright.
Additionally, the entire official website of TMG is subject to copyright for compilations, and protected by the Copyright Act.
Unauthorized reproduction is prohibited unless approved by the Copyright Act, such as reproduction for personal use or quotation.

Technology used

  1. Cookies

    This website utilizes cookies for the purpose of achieving a more convenient viewing experience and continuously improving this website.
    A cookie is data sent to a user's browser from the server that handles administration of this website. The cookie sent is saved in the user's computer (computer or mobile device, etc.).
    However, information such as the user's name, address, phone number, and other information that identifies the user are absolutely not included in this cookie.
    Additionally, these cookies have no direct negative effect on the user's computer.
    This website uses cookies provided by a third-party contractor to assess the access information of each page on this website.
    It is possible for the user to decline cookies through the use of appropriate browser settings. Disabling cookies in this way will not hinder the use of this website in any major way. Refer to your browser manufacturer for information on these browser settings.

  2. JavaScript

    Portions of this website use JavaScript to achieve a more comfortable user experience.
    Failure to activate JavaScript in your browser may result in an inability to properly view or use this website.

  3. SSL(TLS)

    This website uses TLS encryption on a portion of its services to improve its security level. To use the relevant services, a browser that supports TLS1.2 encryption is required.
    The use of such browser will automatically encrypt, send or receive data that the user inputs, such as the user's name, address, phone number, and other personal information.
    In the unlikely event that any transmission of this data is intercepted by a third party, there is no fear that the transmission's contents will be stolen.
    Additionally, the use of a firewall may prevent some users from accessing this website.

  4. PDF

    The Adobe Reader from Adobe Systems Incorporated is required to view files in the PDF file format.
    Download the latest version of Adobe Reader if it is not installed on your system or the contents of this website are displayed incorrectly.

Information Security Policy

This website will protect its information assets from threats, for the purpose of preserving the trust of its users and fulfilling its social mission as the website of a governmental institution.

  1. As a means of maintaining the safety and accuracy of this site's information assets, appropriate safety measures have been taken to prevent improper data access, and the destruction, alteration, loss, and leakage of this data.
  2. The information assets on this website are handled in strict accordance with the Tokyo Metropolitan Government's basic policy on information security, laws, and other standards.
  3. Should the processing of information assets be entrusted to an external party, this processing work will take place under the appropriate supervision of the Tokyo Metropolitan Government.
  4. Mechanisms will be established for the continued improvement of this information security policy.

Use of cookies & similar technologies

This website collects certain information by using cookies and other similar technologies to improve the usability and content of the website.
The Cookie Policy explains how to use them.

Cookies & similar technologies

A cookie is data that is sent from a website as a tag to identify the relevant device when the user has accessed a website using a device and that is stored in the device.
By using cookies, we can get information on the number of accesses to the website through the device used and other websites the customer visited in the past.

Tools used, information collected and purpose of use

Tools used on this website, information collected by use of the tools, and the purpose of their use are as follows.

■ Google Analytics provided by Google Inc.
Information collected: Use status of this website by users (access status, traffic, routing, etc.)
Purpose of use:Improve the usability of the website.
Google Inc. will collect and use the website's use status.
For details, please refer to the following website.

For the privacy policy of Google Inc., please refer to the following website.

Information on Google Analytics can be obtained from the following website as well.

Cookies obtained

This website has obtained cookies with the following tools.

  • Google Analytics: A tool to analyze the customer use status of this website
  • OneTrust: Cookie setting management tool

* See Cookie list.

Website to obtain cookies

We have obtained cookies mentioned above from the following website.
* Refer to the list of websites introducing the cookie setting management tool OneTrust.

Use for advertisements

This website may distribute notifications (advertisements) to the viewers who visited the website in the past when they have visited specific pages. We use the advertising service (display advertising/remarketing/retargeting functions) from advertisement distributors including Google. For those distributions, we use cookies to obtain information on the history of visits to this website.
If you do not want these kinds of notifications (advertisements), please delete or invalidate the cookie that has been stored in the device through the "how to invalidate cookies and similar technologies" instructions described below.
If you change the browser or delete the cookie or change to a new device, you may need to adjust the setting again.

How to delete or invalidate cookies and similar technologies

(1) How to delete all cookies

The cookies saved in the user's device are kept stored there unless the user intentionally deletes them or until they expire.
Most browsers in widespread use activate cookies by default, but it is possible for the user to delete cookies on his/her browser.
Please refer to the following links on how to delete cookies in each browser.

(2) How to disable/enable cookies.(In Preparation)

For the cookies listed below, cookies can be disabled/enabled by clicking the button below.

Google Analytics: Website Usage Analysis Tool

(3) You can decline tracking of Google Analytics by using the Google Analytics opt-out add-on.

The Google Analytics opt-out add-on is a function for the user of the website to disable the use of data by JavaScript. To use the function, download the add-on and install it in your browser.

(4) For other inquiries about cookie opt-outs, contact the following section.

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