Guidelines for Anti-Dumping Duties on Imports to Japan

On April 26, 2026, Japan’s Customs and Tariff Bureau published new guidelines for foreign entrepreneurs regarding anti-dumping duties. This update is crucial for foreign businesses importing goods into Japan, as it outlines the procedures to avoid anti-dumping tariffs when importing from third countries. Understanding these guidelines can help businesses navigate the complex landscape of Japanese trade regulations, ensuring compliance and minimizing costs.

Background & Context

Japan’s legal framework for trade and customs is governed by several laws, including the Customs Act (Kanzei-hō) and the Anti-Dumping Act (Han-danpu-hō). The Customs Act regulates the importation of goods, while the Anti-Dumping Act specifically addresses the imposition of duties on goods sold at less than fair value. The recent guidelines issued by the Customs and Tariff Bureau (Kanzei-kyoku) aim to clarify the process for businesses importing goods from third countries to avoid anti-dumping duties. This is particularly relevant given the increasing scrutiny on trade practices globally. The guidelines are part of Japan’s ongoing efforts to align its trade policies with international standards and to protect domestic industries from unfair competition. The publication of these guidelines follows a series of amendments to the Anti-Dumping Act in recent years, reflecting Japan’s commitment to fair trade practices. Businesses must stay informed about these changes to ensure compliance and to leverage opportunities in the Japanese market.

How This Affects Your Business in Japan

Item	Cost (JPY)	Cost (USD approx)	Notes
Company Registration	¥150,000 – ¥300,000	$1,000 – $2,000	Includes legal fees
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 essential to review your supply chain and ensure compliance with the new guidelines. You may need to submit documentation proving that your imports are not subject to anti-dumping duties. Failure to comply could result in significant financial penalties. Ensure you have all necessary documents ready, including invoices and shipping records, to demonstrate fair pricing. The deadline for compliance is ongoing, as duties can be assessed retroactively.

2. Foreign Nationals Planning to Establish a New Company
If you are considering starting a business in Japan that involves importing goods, familiarize yourself with the new guidelines to avoid unexpected costs. Prepare to submit a detailed import plan that outlines your sourcing strategy and pricing. This will be crucial for your business plan and may affect your ability to secure financing. You should also consider consulting with a legal expert in Japanese trade law to navigate these regulations effectively.

3. Foreign Investors Who Are NOT Residents of Japan
For investors looking to enter the Japanese market through imports, understanding these guidelines is critical. You should conduct thorough market research to identify potential suppliers and ensure they comply with Japanese pricing standards. Engaging a local partner or consultant who understands the nuances of Japanese customs regulations can mitigate risks and enhance your investment strategy. The risks of inaction include potential financial losses due to unexpected tariffs and damage to your business reputation in Japan.

Step-by-Step: What You Need to Do

Step 1: Review the New Guidelines
Access the guidelines on the Customs and Tariff Bureau website. Ensure you understand the criteria for anti-dumping duties.
Office: Customs and Tariff Bureau (English Support: Yes)
Cost: Free (¥0)
Time: 1 hour
Pitfall: Misunderstanding criteria

Step 2: Assess Your Supply Chain
Evaluate your current suppliers and pricing strategies to ensure compliance. Document all pricing information.
Office: No specific office needed
Cost: Free (¥0)
Time: 2-3 days
Pitfall: Incomplete documentation

Step 3: Prepare Required Documentation
Gather necessary documents such as invoices, shipping records, and pricing justification.
Office: No specific office needed
Cost: Free (¥0)
Time: 1 week
Pitfall: Missing documents

Step 4: Submit Documentation if Necessary
If your imports may be subject to anti-dumping duties, submit your documentation to the Customs and Tariff Bureau.
Office: Customs and Tariff Bureau (English Support: Yes)
Cost: Free (¥0)
Time: 1-2 weeks for processing
Pitfall: Late submission

Step 5: Consult a Legal Expert
If unsure about compliance, consult with a legal expert in Japanese trade law.
Office: Various law firms available
Cost: ¥30,000 – ¥100,000 (~$200 – $700 USD)
Time: 1-2 weeks for consultation
Pitfall: Choosing inexperienced counsel

Step 6: Monitor Changes
Stay updated on any further changes to trade regulations. Subscribe to newsletters from the Customs and Tariff Bureau.
Office: No specific office needed
Cost: Free (¥0)
Time: Ongoing
Pitfall: Ignoring updates

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	12 days
Minimum Capital Requirement	¥0	S$1	HK$1	₩0
Annual Filing Cost	¥60,000	S$300	HK$105	₩50,000
Corporate Tax Rate	23.2%	17%	16.5%	22%

What to Expect Next

As Japan continues to refine its trade policies, foreign entrepreneurs should watch for further developments in anti-dumping regulations. Upcoming legislative sessions may introduce additional measures aimed at protecting domestic industries. Key dates to monitor include the next parliamentary session in late 2026, where trade policies are likely to be discussed. Staying informed will be crucial for businesses looking to thrive in Japan’s evolving trade landscape.

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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.