INTERNATIONAL TRADE LAW
Anti-Dumping vs. Countervailing Duties: The Difference
Anti-dumping duties offset imports sold below fair value; countervailing duties offset imports that benefit from foreign government subsidies. Both are “trade remedies” — extra duties layered on top of ordinary tariffs to protect U.S. industry from unfair competition — but they target two different unfair practices and are proven in two different ways. If you import goods that become subject to either one, the duty can dwarf the normal tariff, so it pays to understand which is which. For the broader background, see our overview of anti-dumping and countervailing duties; this article is the focused side-by-side.
The Core Distinction
The difference comes down to what is unfair about the import.
Anti-dumping (AD) addresses price. Dumping occurs when a foreign producer sells goods in the United States below “normal value” — typically the price it charges in its home market, or its cost of production. The “dumping margin” is the gap between that normal value and the U.S. price, and the anti-dumping duty is set to close that gap.
Countervailing (CVD) addresses subsidies. When a foreign government gives its producers a financial benefit — grants, low-interest loans, tax breaks, cheap inputs — those producers can undercut U.S. competitors without dumping at all. A countervailing duty offsets the value of that subsidy.
A single product can be hit with both at once if it is both dumped and subsidized.
| Anti-dumping duties | Countervailing duties | |
|---|---|---|
| Targets | Goods priced below fair value | Goods benefiting from foreign subsidies |
| The “wrong” | Private pricing behavior | Government financial support |
| Measured by | The dumping margin | The amount of the subsidy |
| Legal basis | Tariff Act of 1930 | Tariff Act of 1930 |
| Can both apply? | Yes — to the same goods simultaneously | Yes |
Who Decides, and How
In the United States, two agencies share the investigation, and both must reach an affirmative finding before any duty order issues.
- The U.S. Department of Commerce (its International Trade Administration) determines whether dumping or subsidization is occurring and calculates the margin or subsidy rate.
- The U.S. International Trade Commission (USITC) determines whether the dumped or subsidized imports cause, or threaten, material injury to a U.S. industry.
The process usually begins when a domestic industry files a petition. The USITC runs a preliminary injury phase — generally within 45 days of the petition — while Commerce investigates pricing or subsidies. Preliminary and then final determinations follow. Only if both Commerce and the USITC make affirmative final determinations does Commerce issue an AD or CVD order. If either agency finds in the negative — no dumping, or no injury — the case ends and no duties are imposed.
Once an order is in place, duties are typically collected as a deposit at entry and then reconciled later through annual administrative reviews, which can raise or lower the final rate. That timing lag is one reason these duties are so hazardous for importers: the rate you deposit may not be the rate you ultimately owe.
Why This Matters to Importers
If you import a product covered by an AD or CVD order, the additional duty is your liability as the importer of record — not the foreign producer’s. Rates can reach well into the double or triple digits as a percentage of value, and they apply based on the product’s scope and country of origin, not the label on the box. Three practical habits reduce the risk: check whether your goods fall within the scope of any existing order before you commit to a supplier, confirm the true country of origin rather than the country of shipment, and price in the possibility that an administrative review changes the rate after entry. Getting the underlying tariff classification right is the starting point, because scope is often defined by HTS headings.
Frequently Asked Questions
What is the simplest way to tell anti-dumping and countervailing duties apart?
Anti-dumping targets unfairly low prices set by a foreign company. Countervailing targets unfair subsidies given by a foreign government. One is about private pricing; the other is about state support.
Can the same product face both duties?
Yes. If imports are found to be both dumped and subsidized, Commerce can issue both an anti-dumping and a countervailing duty order on the same goods.
Who pays the duty?
The U.S. importer of record pays. The duty is collected at entry, usually as a deposit, and reconciled later through administrative review.
Are the duty rates fixed?
No. Rates are set in the investigation but can change in annual administrative reviews, so the amount deposited at entry is not necessarily the final liability.
Anti-dumping and countervailing exposure can turn a profitable import into a loss with no warning, and the time to check scope is before you sign with a supplier. Reidel Law Firm helps importers assess trade-remedy risk and structure sourcing on flat-fee terms. Get an import compliance memo.
