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Trade Glossary

Substantial Transformation: How U.S. Customs Determines Country of Origin
How processing in another country can change the country of origin of imported goods.
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Related-Party Transactions: How They Affect Customs Valuation
When buying from an affiliated company can put your import price under customs scrutiny.
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Customs Assists: When Buyer-Provided Materials Affect Import Duties
How materials, tools, and other inputs you provide to a foreign supplier can increase customs value.
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First Sale Rule: How Importers Can Reduce Customs Value
How an earlier sale in the supply chain can lower the customs value used to calculate duties.
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Customs Valuation: How the U.S. Determines the Value of Imported Goods
Why the price on your supplier invoice isn’t always the value used to calculate U.S. import duties.
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UFLPA: What Importers Need to Know About Forced Labor
How U.S. forced-labor rules can stop imported goods from entering the country.
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De Minimis: How Low-Value Imports Are Treated at the U.S. Border
What the low-value shipment rule means for apparel and textile imports.
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Countervailing Duties (CVD): What Importers Need to Know About Foreign Subsidies
How government support for foreign producers can create additional costs for U.S. importers.
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Antidumping Duties (AD): When Imported Goods Are Considered Unfairly Priced
Why a low supplier price can trigger a much higher cost at the U.S. border.
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Country of Origin: What It Is and Why It Matters for U.S. Imports
Why “Where Was It Made?” isn’t always a simple question.
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HTS Classification: What It Is and How It Determines Your Import Duties
The classification system behind the tariff treatment of your imported goods.
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Section 201: What It Is and How It Affects U.S. Imports
What happens when a surge in imports puts a U.S. industry under pressure.
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