Chapter 51 HS Codes: Chapter 51 Commodities
CHAPTER DEFINITION & SCOPE
HS Chapter 51 of the WCO Harmonized System covers chapter 51 commodities. It groups 13 4-digit WCO headings and 38 6-digit subheadings under the official 2026 customs nomenclature [USITC HTS 2026].
Chapter
Ch 51
Headings
13 Headings
Subheadings
38 HS6
US Tariff Status
Active 2026
Chapter 51 4-Digit Headings Directory
| Heading | WCO Heading Description | Subheading Count | Directory Link |
|---|---|---|---|
| Heading 5101 | Wool, not carded or combed | 5 subheadings | Browse Heading 5101 → |
| Heading 5102 | Fine or coarse animal hair, not carded or combed | 3 subheadings | Browse Heading 5102 → |
| Heading 5103 | Waste of wool or of fine or coarse animal hair, including yarn waste but excluding garnetted stock | 3 subheadings | Browse Heading 5103 → |
| Heading 5104 | Garnetted stock of wool or of fine or coarse animal hair | 1 subheadings | Browse Heading 5104 → |
| Heading 5105 | Wool and fine or coarse animal hair, carded or combed (including combed wool in fragments) | 6 subheadings | Browse Heading 5105 → |
| Heading 5106 | Yarn of carded wool, not put up for retail sale | 2 subheadings | Browse Heading 5106 → |
| Heading 5107 | Yarn of combed wool, not put up for retail sale | 2 subheadings | Browse Heading 5107 → |
| Heading 5108 | Yarn of fine animal hair (carded or combed), not put up for retail sale | 2 subheadings | Browse Heading 5108 → |
| Heading 5109 | Yarn of wool or of fine animal hair, put up for retail sale | 2 subheadings | Browse Heading 5109 → |
| Heading 5110 | Yarn of coarse animal hair or of horsehair (including gimped horsehair yarn), whether or not put up for retail sale | 1 subheadings | Browse Heading 5110 → |
| Heading 5111 | Woven fabrics of carded wool or of carded fine animal hair | 5 subheadings | Browse Heading 5111 → |
| Heading 5112 | Woven fabrics of combed wool or of combed fine animal hair | 5 subheadings | Browse Heading 5112 → |
| Heading 5113 | Woven fabrics of coarse animal hair or of horsehair | 1 subheadings | Browse Heading 5113 → |
Chapter 51 Subheading Sample & MFN Duty Rates
| HS Code | Subheading Description | Heading | Action |
|---|---|---|---|
| 5101.11 | Greasy, including fleece-washed wool, Shorn wool | 5101 | View 5101.11 → |
| 5101.19 | Greasy, including fleece-washed wool, Other | 5101 | View 5101.19 → |
| 5101.21 | Degreased, not carbonized, Shorn wool | 5101 | View 5101.21 → |
| 5101.29 | Wool, not carded or combed, Degreased, not carbonized, Other | 5101 | View 5101.29 → |
| 5101.30 | Wool, not carded or combed, Carbonized | 5101 | View 5101.30 → |
| 5102.11 | Fine animal hair, Of Kashmir (cashmere) goats | 5102 | View 5102.11 → |
| 5102.19 | Fine animal hair, Other | 5102 | View 5102.19 → |
| 5102.20 | Coarse animal hair | 5102 | View 5102.20 → |
| 5103.10 | Noils of wool or of fine animal hair | 5103 | View 5103.10 → |
| 5103.20 | Other waste of wool or of fine animal hair | 5103 | View 5103.20 → |
| 5103.30 | Waste of coarse animal hair | 5103 | View 5103.30 → |
| 5104.00 | Garnetted stock of wool or of fine or coarse animal hair | 5104 | View 5104.00 → |
| 5105.10 | Carded wool (400) | 5105 | View 5105.10 → |
| 5105.21 | Wool tops and other combed wool, Combed wool in fragments (400) | 5105 | View 5105.21 → |
| 5105.29 | Wool tops and other combed wool, Other (400) | 5105 | View 5105.29 → |
EXPERT CLASSIFICATION PRO TIPS
Common Pitfalls When Classifying Chapter 51 Goods
- Always review WCO Section and Chapter Legal Notes before assigning 4-digit headings.
- Distinguish carefully between unprocessed raw materials and further prepared or processed articles.
- Verify Partner Government Agency (PGA) flags for agriculture, food, or chemical items.
- Cross-reference official CBP CROSS rulings for binding precedents on mixed or composite goods.
Official Primary Sources & Authority References
USITC HTS Chapter 51 Tariff ↗
United States International Trade Commission official Harmonized Tariff Schedule.
CBP CROSS Rulings ↗
Customs Rulings Online Search System for Chapter 51 binding classification precedents.
WCO HS Nomenclature ↗
World Customs Organization international 6-digit Harmonized System backbone standard.
U.S. Census Foreign Trade ↗
U.S. Census Bureau trade statistics and Schedule B concordance portal.
Chapter 51 Frequently Asked Questions (FAQ)
What commodities are covered under HS Chapter 51?
Chapter 51 (Chapter 51 Commodities) covers WCO Harmonized System 4-digit headings from 5101 upward, encompassing primary goods, raw materials, and manufactured articles within this nomenclature section.
How many 4-digit headings exist in HS Chapter 51?
Chapter 51 contains 13 official 4-digit WCO headings and 38 6-digit tariff subheadings.
What is the US general import duty range for Chapter 51 commodities?
Base customs duties under Chapter 51 range from 0.0% (Duty-Free) up to representative MFN rate limits depending on 10-digit HTS statistical suffix extensions.
Do Section 301 China tariffs apply to Chapter 51 imports?
Section 301 tariffs depend on specific 8-digit HTS subheadings. Importers must verify if their exact HTS code appears on USTR Lists 1 through 4A.
Are Partner Government Agency (PGA) permits required for Chapter 51?
PGA message-set flags (such as FDA, USDA APHIS, EPA, or CITES) apply conditionally depending on the commodity classification within Chapter 51.
How are products classified between adjacent headings in Chapter 51?
Classification follows WCO General Rules of Interpretation (GRI) 1 through 6, prioritizing specific heading terms over general descriptions.
Can Chapter 51 goods enter duty-free under USMCA or Free Trade Agreements?
Yes. Eligible goods originating in USMCA member states (US, Mexico, Canada) or FTA partners enter duty-free under SPI code P, KR, AU, or CL with a valid Certificate of Origin.
What is the Section 321 de minimis limit for Chapter 51 shipments?
Eligible commercial shipments valued at $800 USD or less imported by one person on one day may enter duty-free under 19 U.S.C. 1321.
What documents are required for formal entry of Chapter 51 goods?
Commercial Invoice, Packing List, Bill of Lading/Air Waybill, and entry summary CBP Form 7501 are mandatory for entries exceeding $2,500 USD.
How can an importer obtain a binding CBP ruling for Chapter 51?
Importers may submit an e-Ruling application under 19 CFR Part 177 to CBP National Commodity Specialist Division.