Guidelines for Anti-Dumping Duty Avoidance in Japan

On April 28, 2026, Japan’s customs authorities released new guidelines aimed at preventing the circumvention of anti-dumping duties through imports from third countries. This is crucial for foreign entrepreneurs as it directly impacts import costs and compliance strategies, making it essential to understand these regulations to avoid potential penalties and ensure smooth business operations in Japan.

Background & Context

Japan has a comprehensive legal framework governing trade and customs, including anti-dumping measures designed to protect domestic industries from unfair competition. The Customs Act (Zeikan-ho) provides the basis for imposing anti-dumping duties, which are tariffs levied on imported goods believed to be priced below fair market value. The recent guidelines issued by the Japan Customs (Nihon Zeikan) on April 28, 2026, outline the procedures for documenting imports from third countries to avoid these duties. This regulatory update is part of Japan’s ongoing efforts to align with international trade standards and safeguard its market. The guidelines emphasize the importance of accurate documentation and compliance to prevent the evasion of duties, which could lead to significant financial repercussions for businesses. As Japan continues to adapt its trade policies, understanding these changes is vital for foreign entrepreneurs engaged in import activities.

How This Affects Your Business in Japan

Item	Cost (JPY)	Cost (USD approx)	Notes
Company Registration	¥150,000	$1,000	Standard registration fee
Notary Fee	¥50,000	$350	For document notarization
Visa Application	¥4,000	$30	Business Manager Visa

1. Foreign Residents Already Operating a Business in Japan
If you are currently importing goods, it is crucial to review your supply chain and ensure compliance with the new guidelines. You should prepare to document the origin of your imports meticulously. Failure to comply could result in increased duties or penalties. You may need to consult with a customs broker or legal advisor specializing in trade regulations to navigate these changes effectively.

2. Foreign Nationals Planning to Establish a New Company
If you are considering starting a business that involves importing goods into Japan, familiarize yourself with the new documentation requirements. You will need to gather proof of the origin of your goods and ensure that your suppliers can provide necessary documentation. This preparation is essential to avoid unexpected costs and delays when your business begins operations.

3. Foreign Investors Who Are NOT Residents of Japan
For investors looking to enter the Japanese market, understanding these anti-dumping regulations is critical. If you plan to invest in companies that import goods, ensure that they are compliant with the new guidelines. You may want to conduct due diligence on potential investments to assess their risk exposure related to anti-dumping duties. Inaction could lead to significant financial penalties and operational disruptions, making it essential to stay informed and compliant with these regulations.

Step-by-Step: What You Need to Do

Step 1: Review the New Guidelines
Obtain a copy of the guidelines from the Japan Customs website. English support may be limited, so consider hiring a translator if necessary.
Office: Japan Customs (English Support: Limited)
Cost: Free (¥0)
Time: 1 day
Pitfall: Misunderstanding the guidelines

Step 2: Assess Your Supply Chain
Identify all products you import and their origins. This may involve contacting suppliers for documentation.
Office: Your Business Operations
Cost: Variable
Time: 1-2 weeks
Pitfall: Incomplete supplier information

Step 3: Gather Documentation
Collect necessary documents proving the origin of your goods, such as invoices and certificates of origin.
Office: Supplier’s Office
Cost: Variable
Time: 1 week
Pitfall: Missing documents

Step 4: Consult a Customs Broker
Engage a customs broker or legal advisor to ensure compliance with the new regulations. English-speaking brokers are available.
Office: Customs Broker (English Support: Yes)
Cost: ¥50,000 (~$350 USD)
Time: 1-2 weeks
Pitfall: Choosing an inexperienced broker

Step 5: Submit Required Documents
When importing goods, submit all required documentation to Japan Customs to avoid penalties.
Office: Japan Customs (English Support: Limited)
Cost: Included in shipping fees
Time: Varies by shipment
Pitfall: Late submission

Step 6: Monitor Compliance
Regularly review your import practices to ensure ongoing compliance with anti-dumping regulations.
Office: Your Business Operations
Cost: Variable
Time: Ongoing
Pitfall: Complacency

Key Contacts
www.jetro.go.jp/en/
www.moj.go.jp/isa/
www.customs.go.jp/english/
www.nta.go.jp/english/

Expert Analysis: Japan vs. Regional Competitors

Metric	Japan	Singapore	Hong Kong	South Korea
Incorporation Time	14 days	3 days	5 days	10 days
Minimum Capital Requirement	¥0	S$1	HK$1	₩0
Corporate Tax Rate	30%	17%	16.5%	22%
Visa Processing Time	4 weeks	2 weeks	3 weeks	4 weeks

What to Expect Next

Looking ahead, foreign entrepreneurs should keep an eye on potential amendments to the Customs Act and any new trade agreements that Japan may pursue. The government is likely to continue refining its trade regulations to enhance compliance and protect domestic industries. Monitoring updates from the Japan Customs (Nihon Zeikan) will be crucial for businesses planning to import goods into Japan. Key timelines to watch include the annual review of trade policies and any announcements regarding international trade agreements.

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Sources & References

This article is based on the following source and enhanced with professional analysis for foreign business owners.
Source: 不当廉売関税（アンチダンピング関税）の課税の回避のために第三国から輸入される貨物等に対して関税を課することを求める書面の作成の手引きの掲載について

⚠️ This article is for informational purposes only and does not constitute legal advice. Please consult a qualified Japanese attorney (bengoshi) or judicial scrivener (shiho shoshi) for advice specific to your situation.