This knowledge base equips organizations to meet regulatory demands, develop resilient supply chains, and inspire stakeholder trust through compliance, innovation, and adaptability in US trade.
What is Anti-Dumping?
Anti-dumping duties (AD duties) are special tariffs imposed when imported goods are sold in the US at less than their normal value, causing harm to US industries. The margin (and thus the AD rate) is set by the US Department of Commerce per exporter or per country, and may be significant—sometimes 100% or more depending on the investigation outcome. Products and countries impacted vary by ongoing and completed investigations.
Structure of US Import Duty and Tax
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Regular Import Duty:
Typically ranges from 0%–25%, but certain sensitive sectors (e.g. textiles, steel, aluminium, auto parts) may face higher rates or surcharges based on Section 232. -
Section 232/301 Tariffs:
Can add 25–50% (or more) for steel, aluminium, select electronics, and products from some countries (e.g. China). -
Anti-Dumping/Countervailing Duties:
Product- and exporter-specific, ranging from 10% to 300%+ depending on ‘dumping margin’.
How Anti-Dumping Duties are Applied
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The US Commerce Department assigns rates per company or exporter in each anti-dumping investigation (sometimes producer-specific ).
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Typical process: investigation → preliminary duties (if any) → final duties → annual administrative review. Products subject to AD are listed by their HTS code and exporter/country.
Current Examples of AD Application (2024–2025)
Risk and Compliance Best Practices
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Always check the latest anti-dumping and countervailing orders by HS code and country of origin, as these change regularly.
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Pay both the base import duty and any applicable Section 232/301 tariffs AND anti-dumping duties if listed.
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For shipments under DAP terms, importers are required to pay duties upon entry. Attempts to circumvent these obligations—such as through mis-declaration or transshipment—can result in doubled anti-dumping liability and severe penalties.
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Exporter-specific rates are common; sometimes rates change after annual administrative review.
Strategic Considerations for eCommerce Teams
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Proactive HS code management and country-of-origin diligence reduce surprises.
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Monitor ITA, USITC, and CBP updates for evolving AD action lists and rates.
- Consult Spaceship Business Team for Logistics Advice
Last Update：5 Sep 2025