Last Updated: November 2025
Section 301 Tariff Lists Reference
Comprehensive reference of all four Section 301 tariff lists, covering over 5,700 HTS codes and approximately $370 billion in Chinese imports.
Use our interactive calculator to quickly check if your HTS code is subject to Section 301 tariffs and calculate total duties.
List 1
Rate:
25%
818 HTS codes
$34B in imports
Effective: July 6, 2018
List 2
Rate:
25%
279 HTS codes
$16B in imports
Effective: Aug 23, 2018
List 3
Rate:
25%
5,733 HTS codes
$200B in imports
Effective: Sep 24, 2018
List 4A
Rate:
7.5%
3,243 HTS codes
$120B in imports
Effective: Sep 1, 2019
List 1: First Wave Tariffs25% Tariff
Key Details
- Effective Date: July 6, 2018
- HTS Codes: 818 product categories
- Import Value: $34 billion annually
- Federal Register: 83 FR 28710
Primary Categories
- • Industrial machinery & equipment
- • Electronics & IT equipment
- • Nuclear reactors & boilers
- • Medical equipment & devices
- • Optical, measuring instruments
- • Plastics & chemical products
Example Products & HTS Codes
| HTS Code | Product Description | Chapter |
|---|---|---|
| 8419.50.50 | Heat exchange units | 84 - Machinery |
| 8471.50.01 | Processing units for computers | 84 - Machinery |
| 8531.20.00 | Indicator panels with LCD/LED | 85 - Electrical |
| 9027.50.40 | Optical instruments & appliances | 90 - Optical |
| 3920.10.00 | Polymers of ethylene (plates/sheets) | 39 - Plastics |
Official Source: Complete tariff lists are available on the U.S. Trade Representative website (USTR.gov) and the Federal Register.
How to Use This Information
For Importers
- Identify your product's 10-digit HTS code
- Check which list (if any) contains your HTS code
- Calculate total duty (MFN rate + Section 301 rate)
- Verify if any exclusions apply
- Document properly on customs entry forms
Useful Resources
- USITC HTS Search - Available at the U.S. International Trade Commission website
- Interactive Tariff Calculator
- Complete Section 301 Guide
- Exclusions Application Guide
Last updated: November 15, 2025
Sources: USTR, Federal Register, U.S. Customs and Border Protection