At first contact, send only basic, non-sensitive information. Please do not send passports, tax notices, contracts, bank documents, My Number, passwords, or other sensitive information through ordinary email or a website inquiry form.

Kudan Partners Tax & Accounting Office uses your initial summary to assess whether we may be able to assist. Document sharing follows confirmation of the engagement scope and written agreement on fees and terms.

What to Include in Your Initial Inquiry

  • Residence: your country of residence and whether you already live outside Japan or plan to leave Japan.
  • Property: the prefecture or city, number of properties, and whether each is rented, vacant, personally used, or in the sale process.
  • Japanese tax history: whether you have filed Japanese tax returns before and whether you already have a tax representative in Japan.
  • Support needed: a brief description of your request.
  • For a property sale: whether the sale is planned or completed, and the approximate timing.
  • For fixed asset tax notices: whether notices can currently be received in Japan.

A general property location is enough at this stage; you do not need to provide the exact address or supporting documents.

Documents and Information Not to Send

Do not attach sensitive documents or paste their contents into an initial inquiry. This applies to ordinary email and website forms.

View the full list of documents and information not to send
  • Passport copies or other identity documents.
  • My Number or Japanese Individual Number information.
  • Tax notices, payment slips, or other documents from Japanese tax offices or local governments.
  • Tax returns, withholding records, detailed tax calculations, or rental statements.
  • Purchase agreements, sale agreements, lease agreements, loan documents, or settlement statements.
  • Bank statements, passbooks, remittance details, credit card information, or account numbers.
  • Passwords, authentication codes, or credentialed URLs.
  • Any other document containing detailed personal, financial, or tax information.

Why We Start with a Summary

This protects sensitive information, allows us to confirm the service scope, and limits what we collect to what is needed at that stage. This last principle is called data minimization. Detailed documents are usually unnecessary for an initial inquiry.

How Document Sharing Works

From an initial inquiry to document submission
1. Send a basic summary

Use the inquiry form to provide non-sensitive background information.

2. Confirm the likely scope

We review the information and may propose an Initial Written Case Review or another engagement step.

3. Agree in writing

After the engagement scope, fees, and terms are agreed, we provide document-sharing instructions.

4. Submit required documents

Use the method specified for the engagement and provide the documents requested.

The sharing method depends on the case, document type, and security requirements. We do not request sensitive documents through the initial website form or by ordinary email before an engagement is confirmed.

Submitting an inquiry form does not create a client relationship. An engagement begins only after we confirm the scope of work and both parties agree to the engagement terms.

Related Services

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Request a Written Case Review

If you need Japanese tax support as a non-resident or overseas owner of Japanese real estate, please contact us with basic non-sensitive information about your residence, property, rental status, sale plan, and prior Japanese tax filing history.

Please do not attach or include passports, tax notices, contracts, bank documents, My Number, passwords, or other sensitive information in the first inquiry.

Request a Written Case Review

Official References

External official references are provided for general information. The handling of personal data and tax documents depends on the specific facts, document type, and engagement scope.