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Frequently Asked Questions about the Corporate Number

(1) About the Corporate Number

Q1-1 What kind of number is the Corporate Number?

The Corporate Number is a 13-digit number which is designated per corporation by the National Tax Agency (NTA) in order to identify a specific corporation or other organizations. The Number is used for administrative procedures such as social security, tax, and disaster control.
Since the Corporate Number is open to public, it can be used in various fields of both public and private sectors.

(Relevant FAQ)

  1. Q1-2 Does the Corporate Number mean the TAX-Number?

Q1-2 Does the Corporate Number mean the TAX Number?

The Corporate Number is a 13-digit number which is designated per corporation by the National Tax Agency (NTA) in order to identify a specific corporation or other organizations. The Number is used for administrative procedures such as social security, tax, and disaster control.
In foreign countries, the numbers called Tax-Number and Tax-ID are used. However, the systems differ among countries in terms of the use ranges and purposes.
Therefore, it cannot be said generally that the Corporate Number is the same as the Tax Number used in each country. If the Tax Number generally means a number used for tax-related procedures, it is also a number to be described in tax-related documents in order to identify a specific corporation or other organizations. From the above, it seems that the Corporate Number can be used as the Tax number.

(Relevant FAQ)

  1. Q1-1 What kind of number is the Corporate Number?

(2) English version of the Corporate Number Publication Site

Q2-1 What kind of thing is the English version of the Corporate Number Publication Site?

On the English version of the Corporate Number Publication Site, the user can confirm the information on the name and address of a corporation which requests to make a registration in English, among the corporations to which the Corporate Number is designated.

Q2-2 What kind of information is published on the English version of the Corporate Number Publication Site ?

Information to be made public on the English version of the Corporate Number Publication Site is comprised of the following 3 components (Basic 3 Information) for corporations which have applied for registration: (1) name of a corporation, (2) the address of the head office or principal place of business, and (3) the Corporate Number.
In addition, when the NTA receives an application to the effect that a change has been made to the name and address, etc., the published information is updated along with the revision history.

Q2-3 Can the user confirm information on all Japanese corporations in English on the English version of the Corporate Number Publication Site?

Information provided on the English version of the Corporate Number Publication Site is registered and published in English based on the application from corporations which request to make a registration in English.
When the user has searched corporations which do not apply for the registration in English, "No registration in English" is displayed, which means that the user cannot confirm the information in English on the site.

Q2-4 Is the same contents posted on the English version of the Corporate Number Publication Site as that of the Japanese version of the Site?

On the English version of the Corporate Number Publication Site, the name, address, and final closure (dissolution) of corporations are published in English based on the voluntary application from corporations which request to make the registration in English. The information is not always the same as that found on the Japanese version of the Corporate Number Publication Site.

Q2-5 Does the National Tax Agency (NTA) of Japan issue a document certifying the Corporate Number in English?

The Notification of Corporate Number to be sent to a corporation is a notification to designate the Corporate Number to the corporation, not a certification. Please note that the NTA does not issue a document certifying the Corporate Number.
The Notification of Corporate Number is issued only in Japanese, not in English.
As for the Notification of Corporate Number, please refer to the following materials.
note:
Notification of Corporate Number (Japanese-English translation) (PDF/394KB)
Descriptions in the"Notification of Corporate Number"(English) (PDF/193KB)

(3) Search, browse and downloading

Q3-1 When we check the information on our customer in English on the English version of the Corporate Number Publication Site, how do we search for it through the Internet?

On the English version of the Corporate Number Publication Site, the "Corporate Number," "name" and "address" of a corporation registered in English are published. Please search for them by any of the following methods.
1. In the case that the user knows the Corporate Number:
  • (1) Type the Corporate Number using single-byte number in the input box, "Search for corporations' name, address, etc., with Corporate Numbers," on a top screen of the site.
  • (2) After confirming the indication, "Input of a 13-digit number is confirmed," below the input box, click a search button.
2. In the case that the user knows the name of a corporation
  • (1) Type the name of a corporation in the input box, "name" of "Search for Corporate Numbers with corporations' name, address, etc.," on a top screen of the site, and then click a search button.
  • (2) After confirming the indication, "Input of a 13-digit number is confirmed," below the input box, click a search button.
When the user knows the address other than the name, search results can be narrowed by choosing a prefecture.

Q3-2 We cannot obtain the search result of our customer.

Possible causes for the incapability of searching for corporations include:
  • (1) In the case that the corporation is not registered in English:
    When the search result shows a message, "No registration in English," the user cannot find the corporation on this site since the corporation is not registered in English.
  • (2) In the case that there is a mistake in how to search:
    Please refer to the relevant FAQ.
  • (3) In the case that the user uses a browser of the earlier version:
    It sometimes happens that the search cannot be conducted since the user uses a browser of the earlier version. When using a browser before version 8 of Microsoft Internet Explorer (hereinafter referred to as "IE"), search and browse functions are not operated. Please use a browser after version 9 of IE or the other browsers (Firefox or Google Chrome), a smartphone or a tablet PC.

(Relevant FAQ)

  1. Q3-1 When we check the information on our customer in English on the English version of the Corporate Number Publication Site, how do we search for it through the Internet?

Q3-3 The information displayed in English on the English version of the Corporate Number Publication Site seems to be wrong.

Information provided on the English version of the Corporate Number Publication Site is published in English based on the application from corporations which request to make a registration in English. As for errors in the information, please contact the relevant corporation directly.
Note: The National Tax Agency shall not be responsible for the accuracy and integrity in the information in English.

Q3-4 When a change has been made to the Japanese name (or address), is the published information in English updated automatically?

When a change has been made to the Japanese name (or address) of a corporation which made a registration in English, the registration needs to be made again in English.
When a corporation which has changed its Japanese name (or address) wants to use the existing information in English continuously, the corporation can continue to use it.

Q3-5 Can we search for a sole business proprietor on the site?

Since the Corporate Number is not designated to a sole business proprietor, it cannot be searched for on the Corporate Number Publication Site.

(4) Making use of Corporate Numbers

Q4-1 How can the user utilize the Japanese version of the Corporate Number Publication Site?

On the Japanese version of the Corporate Number Publication Site, the "Corporate Number," "name" and "address" of a corporation which requests to make a registration in English are published.
The site can be used in the following scenes.
  1. When a Japanese corporation performs a transaction with a foreign corporation, it can confirm that the counterparty is a corporation which has been established, registered and reported in Japan.
  2. The user outside Japan can confirm whether the Corporate Number combined with the *Issuing Agency Code is correct or not.
  • * The National Tax Agency (NTA) is registered as an agency which issues organization (company) codes based on the international standards. By combining the Issuing Agency Code assigned to the NTA with the Corporate Number, it is available free of charge as a single and unique company code on a global basis.

(5) Other

Q5-1 The National Tax Agency (NTA) of Japan is registered as the Issuing Agency based on the international standards. What kind of thing will the registration enable the NTA to do?

The NTA of Japan has been registered as the Issuing Agency with the United Nations (UN) and the International Organization for Standardization (ISO). By combining the Issuing Agency Code assigned to the NTA and the Corporate Number, the Corporate Number is available as a single and unique company code both domestically and internationally in e-commerce and logistics using RFID tags. (Note)
When a company code is established and used for each group or industry type in e-commerce, the code needs to be replaced in transactions outside the group. By using the Corporate Number combined with the Issuing Agency Code as a common company code, it enables smooth transactions without the replacement in global e-commerce.
Since the acquisition expenses and particular procedures for the code are not required, the introduction of the code makes it easier to participate in global e-commerce and logistics using RFID tags.
Note: As for a coding system when using the Corporate Number in e-commerce and logistics and the Issuing Agency Code assigned to the NTA, please refer to About The Corporate Number > Registration with the International Standard as an Issuing Agency.

Q5-2 The NTA of Japan is registered as the Issuing Agency based on the international standards. What kind of thing is the international standards?

The NTA of Japan is registered as the Issuing Agency based on the international standards, which are comprised of three standards: (1) UN/EDIFACT Data Element 3055, (2) ISO/IEC 6523-2, and (3) ISO/IEC 15459-2.
The Issuing Agency Code and outline of each standard are shown below.
  • (1) UN/EDIFACT Data Element 3055
    - Issuing Agency Code: 402
    - Managed by the UN. Standard on company codes to identify parties participating in exchange of orders through data exchange such as e-commerce.
  • (2) ISO/IEC 6523-2
    - Issuing Agency Code: 0188<
    - Managed by the ISO. Standard on company codes to identify parties participating in exchange of orders through data exchange such as e-commerce.
  • (3) ISO/IEC 15459-2
    - Issuing Agency Code: 0188
    - Managed by the ISO. Standard on company codes partly used in codes to identify goods such as merchandise, supply being transported, and cargo. In use as identifiers in automated identification media such as RFID tags.