Chapter 35 HS Codes: Chapter 35 Commodities
CHAPTER DEFINITION & SCOPE
HS Chapter 35 of the WCO Harmonized System covers chapter 35 commodities. It groups 7 4-digit WCO headings and 15 6-digit subheadings under the official 2026 customs nomenclature [USITC HTS 2026].
Chapter
Ch 35
Headings
7 Headings
Subheadings
15 HS6
US Tariff Status
Active 2026
Chapter 35 4-Digit Headings Directory
| Heading | WCO Heading Description | Subheading Count | Directory Link |
|---|---|---|---|
| Heading 3501 | Casein, caseinates and other casein derivatives; casein glues | 2 subheadings | Browse Heading 3501 → |
| Heading 3502 | Albumins (including concentrates of two or more whey proteins, containing by weight more than 80 percent whey proteins, calculated on the dry matter), albuminates and other albumin derivatives | 4 subheadings | Browse Heading 3502 → |
| Heading 3503 | Gelatin (including gelatin in rectangular (including square) sheets, whether or not surfaceworked or colored) and gelatin derivatives; isinglass; other glues of animal origin, excluding casein glues of heading 3501 | 1 subheadings | Browse Heading 3503 → |
| Heading 3504 | Peptones and their derivatives; other protein substances and their derivatives, not elsewhere specified or included; hide powder, whether or not chromed | 1 subheadings | Browse Heading 3504 → |
| Heading 3505 | Dextrins and other modified starches (for example, pregelatinized or esterified starches); glues based on starches, or on dextrins or other modified starches | 2 subheadings | Browse Heading 3505 → |
| Heading 3506 | Prepared glues and other prepared adhesives, not elsewhere specified or included; products suitable for use as glues or adhesives, put up for retail sale as glues or adhesives, not exceeding a net weight of 1 kg | 3 subheadings | Browse Heading 3506 → |
| Heading 3507 | Enzymes; prepared enzymes not elsewhere specified or included | 2 subheadings | Browse Heading 3507 → |
Chapter 35 Subheading Sample & MFN Duty Rates
| HS Code | Subheading Description | Heading | Action |
|---|---|---|---|
| 3501.10 | Casein | 3501 | View 3501.10 → |
| 3501.90 | Other | 3501 | View 3501.90 → |
| 3502.11 | Egg albumin, Dried | 3502 | View 3502.11 → |
| 3502.19 | Egg albumin, Other | 3502 | View 3502.19 → |
| 3502.20 | Milk albumin, including concentrates of two or more whey proteins | 3502 | View 3502.20 → |
| 3502.90 | Other | 3502 | View 3502.90 → |
| 3503.00 | Gelatin (including gelatin in rectangular (including square) sheets, whether or not surfaceworked or colored) and gelatin derivatives; isinglass; other glues of animal origin, excluding casein glues of heading 3501 | 3503 | View 3503.00 → |
| 3504.00 | Peptones and their derivatives; other protein substances and their derivatives, not elsewhere specified or included; hide powder, whether or not chromed | 3504 | View 3504.00 → |
| 3505.10 | Dextrins and other modified starches | 3505 | View 3505.10 → |
| 3505.20 | Glues | 3505 | View 3505.20 → |
| 3506.10 | Products suitable for use as glues or adhesives, put up for retail sale as glues or adhesives, not exceeding a net weight of 1 kg | 3506 | View 3506.10 → |
| 3506.91 | Other, Adhesives based on polymers of headings 3901 to 3913 or on rubber | 3506 | View 3506.91 → |
| 3506.99 | Other, Other | 3506 | View 3506.99 → |
| 3507.10 | Enzymes; prepared enzymes not elsewhere specified or included, Rennet and concentrates thereof | 3507 | View 3507.10 → |
| 3507.90 | Enzymes; prepared enzymes not elsewhere specified or included, Other | 3507 | View 3507.90 → |
EXPERT CLASSIFICATION PRO TIPS
Common Pitfalls When Classifying Chapter 35 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 35 Tariff ↗
United States International Trade Commission official Harmonized Tariff Schedule.
CBP CROSS Rulings ↗
Customs Rulings Online Search System for Chapter 35 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 35 Frequently Asked Questions (FAQ)
What commodities are covered under HS Chapter 35?
Chapter 35 (Chapter 35 Commodities) covers WCO Harmonized System 4-digit headings from 3501 upward, encompassing primary goods, raw materials, and manufactured articles within this nomenclature section.
How many 4-digit headings exist in HS Chapter 35?
Chapter 35 contains 7 official 4-digit WCO headings and 15 6-digit tariff subheadings.
What is the US general import duty range for Chapter 35 commodities?
Base customs duties under Chapter 35 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 35 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 35?
PGA message-set flags (such as FDA, USDA APHIS, EPA, or CITES) apply conditionally depending on the commodity classification within Chapter 35.
How are products classified between adjacent headings in Chapter 35?
Classification follows WCO General Rules of Interpretation (GRI) 1 through 6, prioritizing specific heading terms over general descriptions.
Can Chapter 35 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 35 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 35 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 35?
Importers may submit an e-Ruling application under 19 CFR Part 177 to CBP National Commodity Specialist Division.