Documents Required for Bundle Application Before Purchasing a Fax Number in Japan

To comply with Japan's telecommunications regulations, all customers must submit a Japan Regulatory Bundle Application along with supporting documents before a Japanese fax number can be purchased or activated on Fax.Plus. These requirements apply to both domestic and international businesses.

We currently offer national Japanese numbers (+81 50). They are available on Premium, Business and Enterprise plans.

Where to get the Japan Regulatory Bundle Application form

The application form is provided in your Fax.Plus account. You don't need to find it elsewhere.

1. Log in to Fax.Plus and go to Settings → Faxing.
2. Find Fax Numbers Regulatory Documents and click Manage.
3. Select Japan. The flow shows every required document, with links to download the forms you need to fill in, including the Japan Regulatory Bundle Application.
4. Download the application, complete and sign it, then upload it in the same flow together with the supporting documents below.

Documents you need to submit

1. Japan Regulatory Bundle Application
   The official application, completed and signed. Download it from the regulatory documents flow, as described above.
2. Proof of Business Identity
   Documentation that verifies the existence and legality of your business.
   Accepted documents:
   • Corporate registration document, issued within the last 6 months and valid at the time of upload

3. Proof of Business Address
   Your business address must meet Japan's regulatory requirements:

   • Local Japanese fax numbers: the address must be in the region matching the number's prefix.
   • National or toll-free fax numbers: the address must be in Japan.
   • PO Boxes are not accepted.

   Accepted documents:

   • Corporate registration document (if it includes the business address)
   • If not included, one of: certificate of tax payment, or a utility bill for the local office address
   • Bank or credit card statements are not accepted
   • Documents must be issued within the last 6 months
4. Business Purpose (Objectives of the Company)
   A declaration of purpose as listed in your corporate registration.
   Accepted document:
   • Corporate registration document showing the declaration of purpose, issued within the past 6 months
5. Authorization of Representative
   Shows that the person signing the application is authorized to act on behalf of the business.
   Accepted documents:
   • Power of attorney
   • Corporate registration listing the authorized representative
   • Letter on company letterhead (with company seal) confirming authorization
6. Proof of Identity of Authorized Representative
   A valid government-issued photo ID.
   Accepted documents:
   • Driver's license
   • Certificate of driving record
   • My Number Card (do not upload the back side)
   • Zairyū residency card (non-Japanese nationals)
   • Certificate of special permanent resident (non-Japanese nationals)

7. Proof of Address of Authorized Representative
   Must show the representative's current physical address.
   Accepted documents:

   • Certificate of tax payment
   • Utility bill, issued within the last 6 months

   A non-forwarding mailer will also be sent to verify the representative's address.

After you submit

1. Our compliance team reviews your documents.
2. When they're approved, you'll receive an email confirming your documents are validated.
3. You can then upgrade to a Premium, Business or Enterprise plan and select a national Japanese number starting with +81 50.

Full steps: How to Acquire a National Japanese Fax Number.