Guides & Articles

HTS Code Guides & Import Duty Resources

Plain-English guides on HTS codes, import duties, FTA programs, and customs classification — for importers, exporters, and trade professionals navigating the 2026 U.S. Harmonized Tariff Schedule.

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Basics
What Is an HTS Code? A Complete Beginner's Guide
Everything you need to know about Harmonized Tariff Schedule codes — what they are, how they work, and why they matter for U.S. imports.
5 min readUpdated 2026
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Classification
HTS Codes vs HS Codes: What's the Difference?
The HS code and HTS code are closely related but not the same. Learn how the international 6-digit system relates to the U.S. 10-digit classification.
4 min readUpdated 2026
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How-To
How to Find the Right HTS Code for Your Product
A step-by-step guide to classifying your product under the correct HTS code — including tips, common mistakes, and when to consult a customs broker.
7 min readUpdated 2026
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Duty Rates
FTA & Duty-Free Programs: How to Save on Import Duties
The U.S. has 14 free trade agreements. Learn which FTA programs apply to your HTS code and how to claim reduced or zero duty rates.
6 min readUpdated 2026
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Calculator
How to Calculate Import Duty: A Practical Guide
Learn how to calculate the customs duty you'll owe on imported goods — including ad valorem rates, specific duties, and compound rates explained simply.
5 min readUpdated 2026
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Reference
The USITC Harmonized Tariff Schedule Explained
What is the USITC, how often is the HTS updated, and where does the official data come from? Everything you need to know about the source of HTS codes.
5 min readUpdated 2026
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Tariffs
Section 301 Tariffs on China: What Importers Need to Know in 2026
How Section 301 tariffs work, which products are affected, and the real strategies importers are using to manage the additional 7.5%–25% duties on Chinese goods.
6 min readUpdated 2026
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Reference
Chapter 99 HTS Codes: Understanding Temporary Tariff Modifications
What are Chapter 99 codes and why does your entry have two HTS numbers? A guide to Section 301, Section 232, IEEPA, and temporary duty suspensions.
6 min readUpdated 2026
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Tariffs
Section 232 Steel & Aluminum Tariffs: A Practical Guide
25% on steel, 10% on aluminum — plus derivative products. How Section 232 tariffs work, which HTS codes are covered, and the exclusion process.
5 min readUpdated 2026
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Importing 101
Do You Need a Customs Broker? What They Do and When to Hire One
An honest assessment of when a customs broker is worth the cost and when you might manage without one. Plus how to choose the right broker.
6 min readUpdated 2026
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Compliance
10 Common HTS Classification Mistakes (and How to Avoid Them)
The most expensive classification errors importers make — from using supplier HS codes to ignoring Chapter 99 provisions. Real examples and fixes.
7 min readUpdated 2026
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Trade Agreements
USMCA for Importers: How to Claim Duty-Free Treatment
Sourcing from Canada or Mexico? Learn how USMCA rules of origin work, how to certify, and common pitfalls that cost importers their preferential rates.
6 min readUpdated 2026
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Cost Savings
Foreign Trade Zones: Can an FTZ Actually Save You Money?
How FTZs let you defer, reduce, or eliminate customs duties. An honest look at when the benefits justify the costs — and when they don't.
6 min readUpdated 2026
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Duties
Anti-Dumping and Countervailing Duties: What Every Importer Should Know
AD/CVD rates can exceed 200%. Learn how these investigations work, which products are affected, and how the deposit-and-liquidation process creates financial uncertainty.
6 min readUpdated 2026
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Importing 101
The $800 De Minimis Rule: What's Changing and What It Means for You
The de minimis exemption is under pressure. Learn how the $800 threshold works, what policy changes are coming, and how to prepare your business.
5 min readUpdated 2026
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Compliance
CBP Binding Rulings: How to Get an Official HTS Classification Decision
When you need certainty about your HTS code, a binding ruling is the definitive answer. Here's exactly how to request one and what to expect.
5 min readUpdated 2026
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