AD/CVD Compliance Guide for Customs Brokers
Antidumping and countervailing duties are among the most complex - and highest-risk - duty programs in customs brokerage. Unlike standard tariff rates, AD/CVD duties are case-specific, exporter-specific, and subject to retroactive changes through administrative reviews and liquidation assessments. A single missed scope determination or wrong case number can turn a routine entry into a six-figure liability. This guide covers the mechanics of AD/CVD compliance, the requirements brokers need to get right on every entry, and the most common pitfalls that lead to penalties and EAPA investigations.
What Are Antidumping Duties?
Antidumping (AD) duties are imposed when the U.S. Department of Commerce determines that a foreign producer is selling goods in the United States at less than fair value (LTFV). "Less than fair value" means the export price is below the normal value of the goods - typically defined as the price charged in the producer's home market or, when that comparison is not feasible, the constructed cost of production plus a reasonable profit margin.
The purpose of AD duties is to offset this price differential, or "dumping margin," so that domestic producers are not undercut by artificially low import prices. The dumping margin is expressed as a percentage of the export price or entered value, and that percentage becomes the cash deposit rate that must be collected at the time of entry.
AD duty rates are not uniform across all exporters from a given country. Commerce calculates individual rates for mandatory respondents - the largest exporters that participate in the investigation - and assigns a separate "all others" rate for exporters that did not receive individual examination. Exporters that refuse to cooperate may receive an "adverse facts available" (AFA) rate, which is typically the highest rate on record. This means a single product from the same country can carry drastically different AD rates depending on who manufactured and exported it.
Common products subject to AD orders include steel products (hot-rolled, cold-rolled, corrosion-resistant, plate, pipe, tube), solar cells and modules, aluminum extrusions, wooden bedroom furniture, and hundreds of other goods across dozens of countries.
What Are Countervailing Duties?
Countervailing duties (CVD) are imposed when Commerce determines that a foreign government is providing countervailable subsidies to its producers, giving them an unfair competitive advantage. Subsidies can take many forms: direct grants, tax exemptions or credits, below-market-rate loans from government-controlled banks, provision of land or inputs at below-market prices, export subsidies, or currency manipulation programs.
While AD duties offset producer-level pricing behavior, CVD duties offset government-level financial support. The two are calculated independently and often run in parallel on the same product - it is common for a single import to be subject to both an AD order and a CVD order simultaneously, with separate case numbers and separate deposit rates for each.
CVD rates are also exporter-specific, with mandatory respondent rates, an all-others rate, and potentially an AFA rate for non-cooperating companies. The subsidy rate is calculated as the amount of the subsidy benefit per unit of production, expressed as an ad valorem percentage.
How AD/CVD Cases Work: The Investigation Process
Understanding the investigation process helps brokers anticipate when new orders may affect their entries and how rates change over time.
Petition and Initiation
An AD/CVD case begins when a domestic producer or trade association files a petition with both the Department of Commerce and the U.S. International Trade Commission (ITC). Commerce determines whether the petition contains sufficient allegations to warrant an investigation, while the ITC makes a preliminary determination on whether the domestic industry is materially injured or threatened with material injury.
Preliminary Determinations
Commerce conducts its investigation and issues a preliminary determination with estimated dumping margins (AD) or subsidy rates (CVD). If the preliminary determination is affirmative, CBP begins collecting cash deposits at the preliminary rate on all subject imports. This is a critical point for brokers - once the preliminary determination is published in the Federal Register, you must begin applying the deposit rate to affected entries immediately. There is no grace period.
Final Determinations and Orders
Following the preliminary phase, Commerce issues final determinations with revised rates based on additional data and verification. The ITC then makes its final injury determination. If both Commerce and the ITC reach affirmative final determinations, Commerce issues an AD/CVD order. At this point, the final deposit rates replace the preliminary rates, and the order remains in effect until revoked through a sunset review or changed circumstances review.
Administrative Reviews
After an order is in place, interested parties can request annual administrative reviews. Commerce re-examines the dumping margin or subsidy rate based on data from the review period, and may issue new rates that differ significantly from the deposit rate. This is where liquidation risk comes in: if the final assessed rate from an administrative review is higher than the deposit rate collected at entry, the importer owes the difference plus interest. If it is lower, the importer receives a refund. Entries can remain unliquidated for years while reviews are pending.
Key AD/CVD Requirements for Brokers
Getting AD/CVD entries right requires attention to several interconnected data points. Here are the core requirements brokers must handle on every covered entry.
Case Numbers
Every AD/CVD order has a unique case number assigned by Commerce (e.g., A-570-001 for an AD case from China, C-570-001 for a CVD case from China). The case number must be reported on the entry summary (CBP Form 7501) using the correct AD/CVD case number field. When both AD and CVD orders apply to the same product, both case numbers must be reported. Using the wrong case number - or omitting it entirely - is one of the most common compliance failures and can trigger CBP scrutiny.
Cash Deposit Rates
The cash deposit rate is the estimated duty percentage collected at the time of entry. It is specific to the manufacturer/exporter combination. Brokers must determine the correct rate based on the most recently published rate for that specific company. If the exporter has an individual rate from an investigation or administrative review, that rate applies. If not, the all-others rate applies. New shippers that entered the market after the investigation may have a separate new shipper review rate.
Rates change after each administrative review, and the effective date of the new rate is published in the Federal Register. Brokers need to track these updates closely - applying the old rate after a new one has been published can result in duty underpayments.
Manufacturer/Exporter Identification
Because AD/CVD rates are company-specific, correctly identifying the manufacturer and exporter on the entry is essential. This information must match the company names as they appear in the Commerce Department's records. Variations in company names, transliterations, or corporate restructurings can cause mismatches that lead to the wrong rate being applied.
Scope Rulings
The scope of an AD/CVD order defines exactly which products are covered. Scope language can be highly technical and is often the subject of disputes. When there is any question about whether a product falls within the scope of an order, importers can request a scope ruling from Commerce. As a broker, you need to evaluate whether your client's merchandise falls within the published scope before deciding whether to apply AD/CVD deposits. Failing to apply deposits on in-scope merchandise is treated as evasion, while unnecessarily applying deposits on out-of-scope merchandise ties up your client's capital.
Liquidation
AD/CVD entries do not liquidate on the normal 314-day cycle. Instead, they remain unliquidated under suspension of liquidation until Commerce completes the relevant administrative review and issues liquidation instructions to CBP. This process routinely takes two to four years from the date of entry, and in some cases extends even longer. During this time, the importer bears the risk that the final assessed rate may be higher than the cash deposit, requiring additional duty payment with interest.
Brokers need to communicate this liquidation timeline to importers and ensure that continuous bonds are sufficient to cover potential duty increases. An importer who does not understand the retroactive nature of AD/CVD assessments can face unexpected financial exposure years after the goods have been sold.
Common AD/CVD Compliance Pitfalls
The complexity of AD/CVD creates numerous opportunities for error. These are the issues that most frequently lead to penalties, interest assessments, or enforcement actions.
Wrong Case Number
Products covered by multiple AD/CVD orders - such as steel products from countries like China, Vietnam, and India - create a web of case numbers that is easy to mix up. Applying the case number for cold-rolled steel when the product is actually corrosion-resistant steel, or using the case number for the wrong country of origin, results in the wrong deposit rate being applied. This error is often not caught until CBP reviews the entry during liquidation, at which point the interest charges have been accumulating.
Missed Scope Coverage
Scope language is not always intuitive. A product that appears to be outside the scope based on a casual reading of the order may actually be covered based on Commerce's prior scope rulings or the technical product description in the order. For example, certain aluminum extrusion orders cover finished goods that contain aluminum extrusions as components - meaning a finished product like a door frame may trigger AD/CVD obligations even though it is not "raw" aluminum. Brokers who do not carefully analyze scope coverage risk processing in-scope goods without deposits.
Transshipment and Country-of-Origin Misclassification
Some producers attempt to avoid AD/CVD orders by shipping goods through third countries or performing minimal processing to change the country of origin. If CBP determines that merchandise was transshipped to evade duties, the importer and broker face serious consequences. Brokers should verify that country-of-origin claims are supported by documentation, particularly when goods originate from countries adjacent to those subject to AD/CVD orders.
EAPA Investigations
The Enforce and Protect Act (EAPA) established a formal process for investigating allegations of AD/CVD evasion. Anyone - including domestic producers, competitor importers, or CBP itself - can file an EAPA allegation. If CBP determines that evasion has occurred, the consequences include retroactive duty collection, penalties, and potential referral for criminal prosecution. EAPA investigations have increased significantly in recent years, and CBP has become more aggressive about interim measures, including suspending liquidation and requiring single-transaction bonds on imports from companies under investigation.
For brokers, EAPA risk is elevated when dealing with new importers, new suppliers from countries with active AD/CVD orders, or products with pricing that appears inconsistent with market rates. Conducting reasonable due diligence on these transactions is not optional - it is a compliance expectation.
How AD/CVD Interacts with Other Duty Programs
AD/CVD duties do not exist in isolation. They apply on top of the standard Column 1 tariff rate, and they stack with every other special duty program currently in effect. For brokers, this means that a single entry line can accumulate duty obligations from multiple sources simultaneously.
AD/CVD + Section 301
Products from China that are subject to both AD/CVD orders and Section 301 tariffs carry both sets of duties. The Section 301 tariff (currently ranging from 7.5% to 100% depending on the product list and category) is assessed on the entered value, and the AD/CVD deposit is assessed separately. These are independent obligations - paying Section 301 does not offset or reduce the AD/CVD deposit, and vice versa.
AD/CVD + Section 232
Steel and aluminum products are frequently subject to both Section 232 tariffs (25% on steel, 25% on aluminum) and AD/CVD orders. The Section 232 tariff applies to the product based on its HTS classification, while AD/CVD deposits apply based on the specific order and exporter. For steel imports from countries like China, Korea, or India, it is common to see the Column 1 rate, Section 232, and AD/CVD all applying to the same entry line.
AD/CVD + IEEPA / Section 122
The newer tariff programs under IEEPA and Section 122 authority add another layer. Products subject to the baseline IEEPA tariff or reciprocal tariffs still carry AD/CVD obligations when applicable. CBP has confirmed that AD/CVD duties are assessed in addition to any tariffs imposed under IEEPA or Section 122 authority.
Duty Stacking Example
Consider a shipment of corrosion-resistant steel flat products from China, classified under HTS 7210.49.0000:
- Column 1 duty rate: 0% (free)
- Section 232 tariff (Chapter 99): 25%
- Section 301 tariff (Chapter 99): 25% (List 1)
- IEEPA tariff (Chapter 99): 20%
- AD deposit rate: 265.79% (PRC-wide entity rate, A-570-106)
- CVD deposit rate: 39.05% (all-others rate, C-570-107)
On an entered value of $100,000, the total duty obligation would be:
- Column 1: $0
- Section 232: $25,000
- Section 301: $25,000
- IEEPA: $20,000
- AD deposit: $265,790
- CVD deposit: $39,050
- Total: $374,840 - or 374.84% of entered value
This is not a hypothetical edge case. Chinese steel products regularly carry combined duty rates exceeding 300%. Brokers must ensure that continuous bonds are adequate to cover these obligations and that importers understand the total cost of entry before goods arrive at the port. Use our tariff simulator to see how AD/CVD duties stack with other tariffs on your products.
How Cervo Automates AD/CVD Compliance
AD/CVD compliance is inherently data-intensive. Between tracking hundreds of active case numbers, monitoring rate changes from administrative reviews, evaluating scope coverage, and ensuring correct manufacturer/exporter identification, the manual workload is substantial. This is where automation makes the biggest impact.
Automatic AD/CVD Flagging
Cervo's entry processing engine automatically flags merchandise that falls within the scope of active AD/CVD orders based on the HTS classification, country of origin, and product description. When a line item matches an active order, the system alerts the broker before the entry is filed, preventing in-scope goods from being entered without the required AD/CVD case number and deposit.
Rate Lookups and Validation
The platform maintains an up-to-date database of AD/CVD deposit rates, indexed by case number, manufacturer, and exporter. When an entry requires AD/CVD deposits, Cervo automatically looks up the correct rate based on the manufacturer and exporter identified in the commercial documents. If the manufacturer is not individually listed, the system applies the appropriate all-others or PRC-wide entity rate and flags the entry for broker review.
Entry Validation and Error Prevention
Before an entry summary is transmitted to ACE, Cervo validates that all required AD/CVD fields are present and consistent. This includes checking that the case number matches the HTS classification and country of origin, that the deposit rate corresponds to the identified exporter, and that the manufacturer/exporter information is formatted correctly. Entries that fail validation are held for correction rather than transmitted with errors that would trigger CBP rejections or post-entry adjustments.
Duty Stacking Calculations
Cervo automatically calculates the total duty obligation across all applicable programs - Column 1 rates, Section 232, Section 301, IEEPA, Section 122, and AD/CVD deposits - so brokers can see the full landed cost picture on every line item. This is particularly valuable for new importers who may not realize the total duty exposure on their products until the entry is being processed.
Scope Monitoring
When Commerce publishes new scope rulings or modifies the scope of an existing order, Cervo updates its coverage database so that newly in-scope products are flagged automatically. This is critical because scope changes published in the Federal Register often receive less attention than new orders or rate changes, but carry the same compliance consequences.
Frequently Asked Questions
What is the difference between antidumping and countervailing duties?
Antidumping duties offset the margin by which a foreign producer sells goods in the U.S. below fair value - below the price charged in their home market or below cost of production. Countervailing duties offset subsidies provided by a foreign government to its producers, such as grants, tax breaks, or below-market loans. Both are applied on top of normal tariff rates and are calculated independently. A single product can be subject to both AD and CVD orders simultaneously, each with its own case number and deposit rate.
How do I find the current AD/CVD deposit rate for a specific product and country?
Current AD/CVD cash deposit rates are published in Federal Register notices and maintained in the Commerce Department's AD/CVD case database. You can also find rates through CBP's AD/CVD module in ACE, which lists active case numbers and their associated deposit rates by manufacturer and exporter. Rates are updated after each administrative review, so always verify you are using the most recent rate for the specific exporter on your entry.
What happens if I use the wrong AD/CVD case number on a customs entry?
Using the wrong case number can result in applying the incorrect deposit rate, leading to duty underpayment or overpayment. CBP may reject the entry or flag it for review. In serious cases, incorrect case numbers can trigger EAPA investigations if CBP suspects intentional evasion. At minimum, the entry will need to be corrected via post-summary correction, adding processing time and cost.
Can AD/CVD duties apply on top of Section 301 and Section 232 tariffs?
Yes. AD/CVD duties stack on top of all other applicable duties, including the standard Column 1 rate, Section 301 tariffs, Section 232 tariffs, and IEEPA/Section 122 duties. Each duty program is applied independently, so a single entry line can carry the normal tariff rate plus multiple Chapter 99 surcharges plus AD/CVD deposits. The combined effective rate can exceed 100% - and in some cases exceed 300%.
