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How to Classify Products with HTS Codes: A Step-by-Step Guide
Camtom Team10 de febrero de 20269 min
The Harmonized Tariff Schedule of the United States (HTSUS) is the official system used by U.S. Customs and Border Protection (CBP) to classify every product imported into the country. It is based on the international Harmonized System (HS) maintained by the World Customs Organization and contains over 17,000 unique tariff lines organized across 99 chapters. Every import entry filed with CBP requires a valid HTS code, and the code you choose directly determines the duty rate, eligibility for trade agreements, and applicable regulatory requirements.
HTS codes are 10 digits long. The first 6 digits follow the international HS standard and are identical worldwide — this means a product classified under 8471.30 in the United States uses the same 6-digit heading in the EU, Mexico, Japan, and every other WCO member country. The remaining 4 digits are US-specific and provide additional granularity for duty rates and statistical reporting. Chapters are grouped into 22 Sections based on broad categories like animal products, textiles, machinery, and electronics.
Before searching the HTS, gather as much information about the product as possible. You need to know the material composition, function or intended use, method of manufacture, and any distinguishing features. For example, classifying a bag requires knowing whether it is made of leather, textile, or plastic; whether it is designed for travel, shopping, or industrial use; and whether it includes closures, handles, or other accessories. The more detail you have, the more accurate your classification will be.
The GRI are six rules that govern how products are classified in the HTS. They must be applied in order. GRI 1 states that classification is determined by the terms of the headings and the relevant Section and Chapter Notes — this resolves the vast majority of cases. GRI 2 extends headings to cover incomplete or unassembled articles and mixtures. GRI 3 addresses goods that appear classifiable under two or more headings by applying specificity, composite goods, and last-in-order tests. GRI 4 through 6 handle residual cases, containers, and subheading-level classification.
Always start with GRI 1. Read the heading text and the Section and Chapter Notes carefully before moving to subsequent rules. In practice, GRI 1 alone resolves about 90% of classification questions. Tools like TariffPro automate this process by matching product descriptions against the full HTS database and applying the GRI logic programmatically.
CBP publishes binding and advisory rulings through the Customs Rulings Online Search System (CROSS). These rulings provide official guidance on how specific products have been classified in the past. Search for rulings related to your product to confirm or challenge your proposed classification. While advisory rulings are not legally binding, binding rulings issued to you or your client carry the force of law and can protect you in the event of an audit.
Misclassification penalties can be severe. CBP may assess penalties of up to 20% of the dutiable value for negligent misclassification and up to 40% for gross negligence. Intentional fraud can result in penalties of up to four times the lawful duties. Always document your classification rationale and retain it with your entry records.
Once you have determined the correct HTS code, include it on your customs entry summary (CBP Form 7501) along with the corresponding duty rate, statistical suffix, and any applicable trade program indicators such as USMCA or GSP. If you are using a customs broker, provide them with your classification rationale and supporting documentation. If you classify products frequently, consider using Camtom TariffPro to automate and standardize the process across your team.
Camtom Team
Editorial Team
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