HS Code Classification Guide
Comprehensive guide to the Harmonized System (HS) code classification for international trade.
The Harmonized System (HS) is an international nomenclature for the classification of products. It allows participating countries to classify traded goods on a common basis for customs purposes.
International Standard
Used by over 200 countries and territories worldwide
6-Digit Structure
First 6 digits are international, additional digits are national
Updated Every 5 Years
Current version is HS 2022, next update in 2027
Chapter (2 digits)
Broad product categories (e.g., 01 for live animals)
Heading (4 digits)
More specific product groups (e.g., 0101 for live horses)
Subheading (6 digits)
Detailed product classification (e.g., 010121 for pure-bred horses)
National Subdivisions
Additional digits for national tariff and statistical purposes
- General Rules for Interpretation: Six rules that govern classification
- Essential Character: Classification based on the component that gives the product its essential character
- Most Specific Description: Choose the heading that provides the most specific description
- Material Composition: For products made of multiple materials, classify by the predominant material
- Function and Use: Consider the intended use and function of the product
- Processing Stage: Classify based on the stage of processing or manufacturing
- Packaging: Packaging is generally classified with the product unless specifically excluded
- Parts and Accessories: Classify parts and accessories with the complete article
Multi-Purpose Products
Products that could fit multiple HS codes based on different characteristics
New Technologies
Emerging technologies that don't clearly fit existing classifications
Composite Products
Products made of multiple materials or components
Processing vs. Finished Goods
Determining whether to classify as raw material or finished product
Start with the General Rules
Always begin with the General Rules for Interpretation
Use Official Sources
Refer to official HS publications and explanatory notes
Consider Precedents
Review previous classification rulings for similar products
Seek Expert Advice
Consult with customs authorities for complex classifications
Need Classification Help?
For assistance with HS code classification or to request a binding ruling, please contact our trade classification specialists.