HTS Classification
Accurate Codes. Lower Duties.

Every imported product is assigned an HTS code — and that code determines your duty rate, special tariffs, trade agreement eligibility, and regulatory requirements. One wrong digit costs money. GLCHB classifies goods correctly, every time.

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GLCHB · Filer Code 9UA · Miami, FL

Understanding the Harmonized Tariff Schedule

The Harmonized Tariff Schedule of the United States (HTSUS) is the legal document that defines the duty rate and regulatory treatment for every product imported into the United States. It is based on the international Harmonized System (HS) — a 6-digit global commodity classification maintained by the World Customs Organization (WCO) — with U.S.-specific detail added at the 8, 10, and occasionally deeper digit levels.

The HTSUS has 99 Chapters, organized into 22 Sections, covering everything from live animals (Chapter 1) to works of art (Chapter 97) and special classification provisions (Chapters 98 and 99). Classifying a product correctly requires understanding the product's essential character, the applicable section and chapter notes (which are legally binding), and the General Rules of Interpretation (GRI) that govern how ambiguous products are classified.

Anatomy of an HTS Code

A complete U.S. HTS code is typically 10 digits. Here's what each segment means:

6105.20.20.10
Chapter
Men's knit apparel
Heading
Men's/boys' shirts
Subheading
Cotton
U.S. break
Specific type
Statistical
suffix

The first 6 digits (the HS number) are internationally recognized — all WCO member countries use the same first 6 digits for the same goods. The U.S. adds additional specificity at 8 and 10 digits, which can affect the duty rate, quota applicability, and statistical tracking.

The Six General Rules of Interpretation (GRI)

CBP requires classification decisions to follow the GRI in sequence. Most goods are classified under GRI 1; the others apply only when GRI 1 doesn't resolve the question:

1
Classification by heading terms and section/chapter notes
The first step: classify the good based on the text of the HTSUS headings and any relevant section or chapter notes. Most goods are classified here. Notes are legally binding — if a note excludes a product from a chapter, that exclusion controls regardless of the heading text.
2
Incomplete or unfinished articles; mixtures and combinations
GRI 2a: An incomplete or unfinished article is classified as the finished article if it has the essential character of the finished good. GRI 2b: Mixtures or combinations of materials/substances are classified as if consisting entirely of the component that gives them essential character.
3
Goods classifiable under two or more headings
Apply in order: (a) most specific heading prevails over general; (b) mixtures/composite goods classified by essential character component; (c) heading occurring last in numerical order.
4
Most similar goods
Goods not classifiable by GRI 1–3 are classified under the heading appropriate to the goods to which they are most akin.
5
Cases, containers, packing materials
Special rules for camera cases, instrument cases, and packing materials — generally classified with the goods they're designed to contain if suitable for long-term use.
6
Classification within subheadings
Applies the same rules (1–5) when choosing between subheadings within a heading. Subheadings at the same level can only be compared against each other.

HTS Classification and Section 301 Tariffs

Since 2018, Section 301 tariffs on Chinese-origin goods have made HTS classification even more financially consequential. Section 301 tariffs are applied at the 8-digit or 10-digit HTSUS level — meaning the same physical product, classified differently, can face drastically different duty liability.

Consider engineered quartz countertops. They can potentially be classified under Chapter 25 (stone), Chapter 68 (articles of stone), or Chapter 69 (ceramic products), depending on composition and manufacturing process. Each chapter carries different Section 301 treatment. This is not a loophole — it's the product of genuine legal ambiguity that exists in the tariff schedule. CBP's published rulings and the WCO's Explanatory Notes inform the correct classification, and GLCHB reviews both before classifying high-stakes goods.

⚠️ Misclassification = CBP Penalty Risk

CBP has authority to penalize importers for classification errors it deems grossly negligent or fraudulent. Even innocent misclassification results in duty underpayment, which CBP can collect (with interest) up to 4 years after liquidation. Importers who discover a pattern of misclassification should consider a prior disclosure to CBP rather than waiting to be audited.

CBP Binding Rulings: Classification Certainty for High-Volume Importers

A CBP binding ruling (officially an "Advance Classification Ruling") is an official written determination from CBP stating how specific goods must be classified under the HTSUS. Once issued, the ruling is binding on all CBP ports of entry — a port cannot reclassify goods that are properly described in an active ruling.

GLCHB's process for binding rulings:

  1. Identify goods that warrant ruling protection: typically those with high import volume, ambiguous classification, or potential Section 301/ADD/CVD exposure
  2. Prepare a complete ruling request: product description, technical specifications, manufacturing process, samples if available, and proposed HTSUS classification with GRI analysis
  3. Submit to CBP's National Commodity Specialist Division (NCSD) in New York via the Customs Ruling Online Search System (CROSS)
  4. Monitor ruling progress and respond to any CBP information requests
  5. Once issued, document the ruling number in the entry filing system so all future entries cite it

GLCHB also cross-checks the CROSS database for existing rulings on similar goods before every new commodity classification — to ensure our classification is consistent with CBP's own published guidance.

Duty Savings Through Reclassification Audits

One of the highest-ROI services GLCHB provides is a reclassification audit for existing importers. Surprisingly often, goods have been classified under a higher-duty code for years — either through an original error or because the tariff schedule changed but the code didn't. Common savings mechanisms we identify:

Savings MechanismHow It WorksTypical Impact
Reclassification to lower-duty heading Identify a more accurate heading with lower MFN duty rate Varies; 0–15% on entry value
USMCA/CAFTA-DR preference Claim preferential duty rate for qualifying goods from Mexico, Canada, or CAFTA-DR countries Often duty-free (0% vs. 5–20%)
Chapter 98 special provisions Duty-free or reduced duty for U.S. goods returned after processing abroad Duty only on value added abroad
Section 301 exclusion claims Identify active Section 301 exclusions from China tariffs for specific HTS codes 25% savings on covered goods
First Sale valuation Use first-sale (factory) price rather than middleman price as dutiable value Typically 10–30% reduction in taxable value
Antidumping/CVD avoidance review Verify product is correctly out-of-scope of an ADD/CVD order Eliminate 30–400%+ ADD/CVD exposure

Partner Government Agency (PGA) Requirements by HTS Code

In addition to duty rates, an HTS code determines which partner government agencies (PGAs) must review the shipment before CBP can release it. The most common PGAs for Miami-area importers include:

  • FDA: Food, beverages, dietary supplements, cosmetics, medical devices, drugs. Triggered by Chapter 2, 4, 9, 10, 16, 17, 18, 19, 20, 21, 22, 30, 33, 84 (certain devices), and more.
  • USDA APHIS: Fresh fruits, vegetables, plants, wood packaging, agricultural commodities. Phytosanitary certificates often required.
  • USDA FSIS: Meat, poultry, and egg products (Chapters 2 and 4). Full inspection program; only approved countries/establishments.
  • EPA: Pesticides, vehicles, engines, refrigerants. Chapters 84, 87, 38.
  • CPSC: Consumer products — children's items especially. Chapter 95, 61, 62, 94.
  • ATF/TTB: Alcohol, firearms, tobacco. Chapters 22, 24, 93.
  • Fish & Wildlife Service: Products containing materials from CITES-listed species — exotic leather goods, certain wood products, instruments with rosewood.

Accurate HTS classification is therefore not just a duty issue — it's a regulatory gatekeeping issue. An incorrect code that avoids a PGA requirement is a misclassification that creates compliance risk, not a smart shortcut.

GLCHB's HTS Classification Process

Every shipment GLCHB handles goes through our classification workflow:

  1. Receive commercial invoice, packing list, and product descriptions from client
  2. If new commodity: detailed product review including composition, intended use, manufacturing process, and country of origin
  3. Apply GRI 1 through 6 systematically; document the classification rationale
  4. Cross-check against CBP's CROSS ruling database for analogous binding rulings
  5. Cross-check WCO Explanatory Notes for additional interpretive guidance
  6. Verify applicable Section 301, 232, ADD/CVD, and any other additional duty programs
  7. Identify and claim all applicable trade agreement preferences and Chapter 98/99 provisions
  8. Flag any PGA requirements and initiate compliance steps (FDA Prior Notice, USDA permits, etc.)
  9. File entry with documented classification — available to support any future CBP protest

We maintain a commodity classification database for each client's regularly imported goods, so repeat shipments don't require starting from scratch. New vendors or product variations are reviewed against the existing classification to identify any material differences that would require re-analysis.

HTS Classification — Frequently Asked Questions

What is an HTS code and why does it matter?+
HTS codes classify every imported product and determine the duty rate, special tariffs (Section 301, Section 232, ADD/CVD), partner government agency (PGA) requirements, and trade agreement eligibility. An incorrect code can mean underpaying duties (triggering CBP penalties) or overpaying (leaving money on the table).
What is a CBP binding ruling?+
A binding ruling is an official CBP classification determination that is legally binding on all CBP ports. Once issued, CBP must accept that classification for the described goods. GLCHB cross-checks CBP's CROSS database for published rulings on every new commodity we classify.
How can HTS reclassification save me money?+
Importers often use incorrect or outdated codes — sometimes assigned by a freight forwarder with limited classification expertise. A reclassification audit can identify lower-duty headings, trade agreement preference eligibility (USMCA, CAFTA-DR), Chapter 98 provisions for returned U.S. goods, Section 301 exclusions, and First Sale valuation opportunities. For high-volume importers, savings can exceed customs brokerage fees many times over.
What are the General Rules of Interpretation (GRI)?+
The GRI are 6 sequential rules that govern how goods are classified under the HTSUS. GRI 1 (classification by heading text and section/chapter notes) applies first and covers most goods. GRI 2–6 address incomplete articles, mixtures, goods that could fall under multiple headings, and classification within subheadings.
What happens if CBP disagrees with my classification?+
CBP can reclassify goods at entry or after liquidation, issuing a bill for additional duties plus interest. The importer has 180 days from liquidation to file a protest. A documented classification rationale citing GRI, chapter notes, and analogous rulings strengthens your protest position. GLCHB maintains classification documentation for all entries.
Does Section 301 (China tariffs) depend on my HTS code?+
Yes — Section 301 tariffs are applied at the HTS code level, and so are Section 301 exclusions. Active exclusions are HTS-specific; they don't automatically apply to related codes. GLCHB reviews Section 301 applicability and active exclusions as part of every classification review for China-origin goods.

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