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.
4 min readUpdated 2026
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