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Legal Update 4 min read October 24, 2025

New Inheritance Laws Take Effect

Mandatory property registration deadline in March 2027 affects inheritance planning and property ownership.

Japanese Property Documentation

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Mandatory Property Registration Deadline

Japan's revised Civil Code introduces significant changes to property inheritance and registration requirements. The most critical change: a mandatory property registration deadline of March 31, 2027 for all inherited properties.

Why These Changes?

The reforms address a growing problem:

  • Over 4.2 million properties have unknown or unclear ownership
  • Unregistered properties complicate urban planning and disaster response
  • The "owner unknown" land area equals the size of Kyushu island
  • Economic losses from unclear ownership estimated at billions of yen annually

Key Changes Overview

1. Mandatory Registration (April 2024 onwards)

When you inherit property, you must register the ownership change within 3 years. Failure to do so may result in fines up to ¥100,000.

2. Retroactive Application

Even if you inherited property before April 2024, you must register by March 31, 2027. This affects millions of property owners who inherited homes years or decades ago.

3. Simplified Procedures

The government has introduced streamlined processes:

  • Online registration options
  • Reduced documentation requirements in some cases
  • Free consultation services at Legal Affairs Bureaus

Who Is Affected?

These changes impact:

  • Current Heirs: Anyone who inherited property but hasn't completed registration
  • Future Heirs: All future inheritance cases will be subject to the 3-year rule
  • Foreign Owners: Foreign residents who inherited Japanese property must also comply
  • Multiple Heirs: Properties with multiple heirs need coordinated registration

Registration Process

  1. Gather Documents:
    • Family register (戸籍謄本)
    • Property deed/registration certificate
    • Inheritance division agreement (if applicable)
    • Identification documents
  2. Calculate Fees: Registration tax typically 0.4% of property's assessed value
  3. Submit Application: Apply at the local Legal Affairs Bureau or online
  4. Receive Certificate: New registration certificate issued within 1-2 weeks

Special Considerations

Disclaiming Inheritance

If you don't want inherited property, you can disclaim it within 3 months of learning about the inheritance. This releases you from the registration obligation.

Unknown Heirs

When heirs cannot be located, the property can be placed under court-appointed management until heirs are found or the property is sold.

Akiya and Abandoned Properties

These laws particularly impact akiya (vacant houses). Some owners may now register and sell rather than continue avoiding registration.

Penalties for Non-Compliance

The law includes enforcement mechanisms:

  • Fines up to ¥100,000 for missing the registration deadline
  • Potential legal complications if you try to sell unregistered property
  • Inability to prove ownership in legal disputes
  • Complications for your own heirs when you pass away

Action Steps

If you've inherited property:

  1. Check Status: Verify if your property is properly registered
  2. Gather Documents: Start collecting necessary paperwork now
  3. Consult Experts: Talk to a judicial scrivener (司法書士) or lawyer
  4. Don't Wait: Don't leave it until the 2027 deadline approaches
  5. Consider Your Options: Register, sell, or properly disclaim the property

Resources

  • Legal Affairs Bureau: Free consultation services available
  • Judicial Scriveners Association: Find certified professionals in your area
  • Municipal Offices: Often provide guidance and referrals

These inheritance law changes represent Japan's most significant property registration reform in decades. While the requirements may seem burdensome, proper registration protects your rights, facilitates future transactions, and contributes to clearer property ownership nationwide.

Sources & References

  • Ministry of Justice - Revised Civil Code (Property Registration Reform)
  • Legal Affairs Bureau - Property Registration Guidelines and Procedures
  • Japan Federation of Shiho-Shoshi Lawyer's Associations - Registration Requirements
  • Ministry of Land, Infrastructure, Transport and Tourism - Owner Unknown Land Survey
  • Government of Japan - Civil Code Amendment Act (2021)