Anti-Dumping Duty Calculator

The Anti-Dumping Duty Calculator computes the additional AD (anti-dumping) and CVD (countervailing duty) rates imposed on imports that are sold in the United States at less than fair value or benefit from foreign government subsidies. These trade remedy duties are layered on top of normal customs duties and can range from 0% to over 500%, effectively blocking imports from countries and producers subject to the orders. The U.S. currently maintains approximately 500 active anti-dumping and countervailing duty orders covering products from over 40 countries. Anti-dumping duties address price discrimination: when a foreign producer sells goods in the U.S. market at prices below what it charges in its home market (or below its cost of production), the price differential constitutes the 'dumping margin' and the AD duty is set to offset this margin. Countervailing duties address government subsidies: when a foreign government provides subsidies (tax breaks, below-market financing, land grants, or direct payments) that benefit exporters, the CVD rate is set to offset the subsidy amount. Both types of duties are authorized under WTO agreements and U.S. law (Title VII of the Tariff Act of 1930). The investigation and determination process involves two agencies: the U.S. Department of Commerce (DOC) investigates and determines the dumping margin or subsidy rate, while the U.S. International Trade Commission (ITC) determines whether the domestic industry has been materially injured or threatened with material injury by the dumped or subsidized imports. Both affirmative determinations are required for an AD/CVD order to be issued. Investigations are initiated by petition from the domestic industry and typically take 12-18 months from initiation to final order. AD/CVD rates are specific to individual foreign producers. Investigated companies receive individual rates based on their actual pricing and cost data. Companies not individually investigated receive an 'all others' rate (typically a weighted average of individual rates). Companies from non-market economies (primarily China) that do not cooperate with the investigation receive the 'China-wide rate,' which is typically based on adverse facts available and can exceed 200%. These rates are reviewed annually through administrative reviews, which can significantly change the rates based on updated pricing and subsidy data.

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1. 1Check whether your product is subject to an active anti-dumping or countervailing duty order by searching the Commerce Department's AD/CVD case database (enforcement.trade.gov/frn/). The database is searchable by product, country, and case number. Also check CBP's AD/CVD module in ACE, which provides the current deposit rates for each order. Products are defined by specific scope language in the order, which may not align perfectly with HTS codes. Reading the scope language carefully is critical because products at the edges of the scope may or may not be covered.
2. 2Determine the applicable AD and/or CVD deposit rate for your specific foreign producer or exporter. Rates vary significantly by company: investigated companies may have individual rates ranging from 0% to over 100%, while the all-others rate applies to companies not individually examined. For Chinese products, the China-wide rate (applied to non-cooperative and unidentified companies) frequently exceeds 200%. Check whether your supplier has received an individual rate in the most recent administrative review or the original investigation. Deposit rates are published in Federal Register notices and updated annually.
3. 3Calculate the AD/CVD duty deposit at the time of importation. Unlike regular customs duties that are assessed and collected at a fixed rate, AD/CVD duties operate on a retrospective assessment system. At the time of import, the importer deposits estimated duties based on the current deposit rate. These deposits are later adjusted (up or down) after the Commerce Department conducts an annual administrative review and determines the actual dumping margin or subsidy rate for the review period. The liquidation of AD/CVD entries can take 2-4 years after importation.
4. 4Understand the cash deposit and bonding requirements. AD/CVD duty deposits must be paid in cash or by continuous bond at the time of entry. Unlike regular duties where a continuous bond covers most obligations, AD/CVD deposits often require additional bonding capacity. The bond amount is based on the deposit rate times the expected annual import value. For high-rate orders (100%+ AD/CVD), the bonding requirement can be prohibitively expensive, effectively blocking imports even before the duty is formally assessed.
5. 5Monitor annual administrative reviews and rate changes. Commerce conducts administrative reviews upon request, typically covering a 12-month period of review (POR). Any interested party (domestic industry or foreign exporter) can request a review. The review examines actual sales data during the POR and calculates updated dumping margins and subsidy rates. New rates from completed reviews become the deposit rates for future entries. Reviews frequently result in significant rate changes: a company with a 25% deposit rate might receive a 5% assessed rate or a 75% assessed rate depending on actual pricing behavior during the review period.
6. 6Evaluate whether a scope ruling or circumvention inquiry affects your product. Commerce issues scope rulings to determine whether a particular product falls within the scope of an existing AD/CVD order. If your product is similar to but not identical to the products described in the order scope, you may need a scope ruling for clarity. Separately, Commerce can find circumvention when imports of subject merchandise are slightly modified, shipped through third countries, or assembled in the U.S. or third countries from subject components. A circumvention finding extends the AD/CVD order to cover the circumventing imports.
7. 7Calculate the total duty burden by summing the base customs duty, any Section 301 or 232 tariffs, the AD rate, and the CVD rate. Each rate is applied independently to the customs value (entered value for AD/CVD purposes). A Chinese steel product could face: base duty (0-6.5%) + Section 232 (25%) + Section 301 (25%) + AD (50-265%) + CVD (35-256%). Combined rates exceeding 300% are not uncommon, making import economically impossible and effectively excluding the product from the U.S. market.

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