Finding the right HTS code is part research, part legal interpretation. Here is the process professionals use, the free official tools involved, and the traps that catch most importers.
How to Find the HTS Code for Your Product
There is no single search box where you type a product name and get the definitive code. Classification follows the General Rules of Interpretation, a legal framework that decides which heading wins when a product could fit more than one. The steps below mirror how a professional approaches it.
1Describe the product precisely
Write down what it is made of, how it is constructed, and what it does. Classification turns on material composition, function, and construction, not on what the product is called. A "yoga mat" made of PVC classifies differently from one made of natural rubber.
2Identify the right section and chapter
The tariff schedule has 22 sections and 99 chapters. Start broad: is it a textile, a machine, a chemical, a food product? The section notes and chapter notes are legally binding and often rule whole categories in or out. Read them before going deeper.
3Search the official tariff schedule
Use the U.S. International Trade Commission's online tariff search. Search by keyword, then drill into headings and subheadings. Compare the legal text of each candidate heading, not just the description. The heading text is what CBP enforces.
4Check CBP CROSS rulings
CBP's CROSS database contains binding rulings on real products. Search for goods like yours. If CBP already ruled on a nearly identical item, that ruling is the strongest evidence available for your classification. Note the date: old rulings can be modified or revoked.
5Apply the General Rules of Interpretation
When a product fits two headings, the GRIs decide. The most specific description usually wins. For mixtures and composite goods, the component that gives the product its essential character controls. These rules are where most self-classification goes wrong.
6Check Chapter 99
Additional duties under trade remedies live in Chapter 99 and stack on top of the base rate. A product can have the right 10-digit code and still carry the wrong total duty if Chapter 99 provisions were missed. This is the step most often skipped.
Mistakes That Cost Importers
Trusting the supplier's code. Suppliers classify for export, often carelessly. The legal responsibility sits with you, the importer.
Classifying by appearance. What matters is composition and function. Two identical-looking products in different materials can carry very different rates.
Using an outdated ruling. CBP modifies and revokes rulings. A ruling from 2015 may no longer reflect current treatment.
Stopping at the 6-digit HS level. The U.S. 10-digit distinctions are where rate differences hide. The international code is not enough for U.S. entry.
Skip the guesswork on 10 SKUs
We verify up to 10 of your SKUs against the current tariff schedule and CBP rulings, free. One-page findings report in 2-3 business days.
Get My Free 10-SKU Review