Chapter 91 HS Codes: Chapter 91 Commodities
CHAPTER DEFINITION & SCOPE
HS Chapter 91 of the WCO Harmonized System covers chapter 91 commodities. It groups 14 4-digit WCO headings and 48 6-digit subheadings under the official 2026 customs nomenclature [USITC HTS 2026].
Chapter
Ch 91
Headings
14 Headings
Subheadings
48 HS6
US Tariff Status
Active 2026
Chapter 91 4-Digit Headings Directory
| Heading | WCO Heading Description | Subheading Count | Directory Link |
|---|---|---|---|
| Heading 9101 | Wrist watches, pocket watches and other watches, including stop watches, with case of precious metal or of metal clad with precious metal | 6 subheadings | Browse Heading 9101 → |
| Heading 9102 | Wrist watches, pocket watches and other watches, including stop watches, other than those of heading 9101 | 7 subheadings | Browse Heading 9102 → |
| Heading 9103 | Clocks with watch movements, excluding clocks of heading 9104 | 2 subheadings | Browse Heading 9103 → |
| Heading 9104 | Instrument panel clocks and clocks of a similar type for vehicles, aircraft, spacecraft or vessels | 1 subheadings | Browse Heading 9104 → |
| Heading 9105 | Other clocks | 6 subheadings | Browse Heading 9105 → |
| Heading 9106 | Time of day recording apparatus and apparatus for measuring, recording or otherwise indicating intervals of time, with clock or watch movement or with synchronous motor (for example, time registers, time-recorders) | 2 subheadings | Browse Heading 9106 → |
| Heading 9107 | Time switches with clock or watch movement or with synchronous motor | 1 subheadings | Browse Heading 9107 → |
| Heading 9108 | Watch movements, complete and assembled | 5 subheadings | Browse Heading 9108 → |
| Heading 9109 | Clock movements, complete and assembled | 2 subheadings | Browse Heading 9109 → |
| Heading 9110 | Complete watch or clock movements, unassembled or partly assembled (movement sets); incomplete watch or clock movements, assembled; rough watch or clock movements | 4 subheadings | Browse Heading 9110 → |
| Heading 9111 | Watch cases and parts thereof | 4 subheadings | Browse Heading 9111 → |
| Heading 9112 | Clock cases and cases of a similar type for other goods of this chapter, and parts thereof | 2 subheadings | Browse Heading 9112 → |
| Heading 9113 | Watch straps, watch bands and watch bracelets, and parts thereof | 3 subheadings | Browse Heading 9113 → |
| Heading 9114 | Other clock or watch parts | 3 subheadings | Browse Heading 9114 → |
Chapter 91 Subheading Sample & MFN Duty Rates
| HS Code | Subheading Description | Heading | Action |
|---|---|---|---|
| 9101.11 | Wrist watches, electrically operated, whether or not incorporating a stop watch facility, With mechanical display only | 9101 | View 9101.11 → |
| 9101.19 | Wrist watches, electrically operated, whether or not incorporating a stop watch facility, Other | 9101 | View 9101.19 → |
| 9101.21 | Other wrist watches, whether or not incorporating a stop watch facility, With automatic winding | 9101 | View 9101.21 → |
| 9101.29 | Other wrist watches, whether or not incorporating a stop watch facility, Other | 9101 | View 9101.29 → |
| 9101.91 | Other, Electrically operated | 9101 | View 9101.91 → |
| 9101.99 | Other, Other | 9101 | View 9101.99 → |
| 9102.11 | Wrist watches, electrically operated, whether or not incorporating a stop watch facility, With mechanical display only | 9102 | View 9102.11 → |
| 9102.12 | Wrist watches, electrically operated, whether or not incorporating a stop watch facility, With opto-electronic display only | 9102 | View 9102.12 → |
| 9102.19 | Wrist watches, electrically operated, whether or not incorporating a stop watch facility, Other | 9102 | View 9102.19 → |
| 9102.21 | Other wrist watches, whether or not incorporating a stop watch facility, With automatic winding | 9102 | View 9102.21 → |
| 9102.29 | Other wrist watches, whether or not incorporating a stop watch facility, Other | 9102 | View 9102.29 → |
| 9102.91 | Other, Electrically operated | 9102 | View 9102.91 → |
| 9102.99 | Other, Other | 9102 | View 9102.99 → |
| 9103.10 | Clocks with watch movements, excluding clocks of heading 9104, Electrically operated | 9103 | View 9103.10 → |
| 9103.90 | Clocks with watch movements, excluding clocks of heading 9104, Other | 9103 | View 9103.90 → |
EXPERT CLASSIFICATION PRO TIPS
Common Pitfalls When Classifying Chapter 91 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 91 Tariff ↗
United States International Trade Commission official Harmonized Tariff Schedule.
CBP CROSS Rulings ↗
Customs Rulings Online Search System for Chapter 91 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 91 Frequently Asked Questions (FAQ)
What commodities are covered under HS Chapter 91?
Chapter 91 (Chapter 91 Commodities) covers WCO Harmonized System 4-digit headings from 9101 upward, encompassing primary goods, raw materials, and manufactured articles within this nomenclature section.
How many 4-digit headings exist in HS Chapter 91?
Chapter 91 contains 14 official 4-digit WCO headings and 48 6-digit tariff subheadings.
What is the US general import duty range for Chapter 91 commodities?
Base customs duties under Chapter 91 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 91 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 91?
PGA message-set flags (such as FDA, USDA APHIS, EPA, or CITES) apply conditionally depending on the commodity classification within Chapter 91.
How are products classified between adjacent headings in Chapter 91?
Classification follows WCO General Rules of Interpretation (GRI) 1 through 6, prioritizing specific heading terms over general descriptions.
Can Chapter 91 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 91 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 91 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 91?
Importers may submit an e-Ruling application under 19 CFR Part 177 to CBP National Commodity Specialist Division.