Section 232 Tariffs on Semiconductors
1 Chapter 99 heading is in force under the Section 232 semiconductor tariffs on October 26, 2026, adding 25% to the regular duty and covering 3 HTS codes. The latest change took effect on January 15, 2026.
Section 232 of the Trade Expansion Act of 1962 lets the President adjust imports of goods that threaten to impair US national security, after a Commerce Department investigation.
- Headings in force
- 1
- HTS codes covered
- 3
- Rates
- 25%
- Latest change
- January 15, 2026
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Paste an HTS code to see whether the Section 232 semiconductor tariffs list it, and which other programs do.
Chapter 99 Headings in Force
Each heading the Section 232 semiconductor tariffs use on October 26, 2026, with the rate it adds, the countries it applies to and the documents behind it.
| Heading | Name | Rate | Applies to | Covers | Since |
|---|---|---|---|---|---|
| 9903.79.01 | Section 232 Semiconductors: Certain Advanced Computing ChipsSource: Proclamation 11002 (91 FR 2443) | +25% | All countries | 3 codes | January 15, 2026 |
Every HTS Code Covered (3)
The codes the in-force headings list, from the U.S. notes to Chapter 99. A code covers every line under it, and a heading that takes precedence (an exemption, a deal rate) can switch it off for some goods. Whether a product is in scope also depends on the note's written description, which the importer or their customs broker decides.
9903.79.01Section 232 Semiconductors: Certain Advanced Computing Chips+25%All countries · 3 codes
Changes to the Section 232 Tariffs on Semiconductors
When each heading started or stopped applying, newest first, from our tariff data.
- January 15, 20269903.79.01Started: Section 232 Semiconductors: Certain Advanced Computing Chips (+25%)Source: Proclamation 11002 (91 FR 2443)
Questions
What are the Section 232 semiconductor tariffs?
Section 232 of the Trade Expansion Act of 1962 lets the President adjust imports of goods that threaten to impair US national security, after a Commerce Department investigation. 1 Chapter 99 heading is in force under the Section 232 semiconductor tariffs on October 26, 2026, adding 25% to the regular duty and covering 3 HTS codes. The latest change took effect on January 15, 2026.
Are the Section 232 semiconductor tariffs still in effect?
Yes. On October 26, 2026, 1 of their Chapter 99 headings are in force.
Which HTS codes are subject to the Section 232 semiconductor tariffs?
3 HTS codes are listed under the headings in force on October 26, 2026. This page lists every one, with its heading and rate. A listed code covers every line under it, and whether a product is in scope also depends on the written description in the U.S. notes to Chapter 99.
What are the Section 232 semiconductor tariffs rates?
Rates range from 25%. The highest: 25% under 9903.79.01 (Section 232 Semiconductors: Certain Advanced Computing Chips). They are added on top of the regular duty and any other Chapter 99 duties, except where the rules say one replaces another.
How do I check whether the Section 232 semiconductor tariffs apply to my import?
Find your HTS code in the tables on this page, or enter it with the country of origin in the free HTS Hero tariff calculator, which applies every Chapter 99 heading in force on the entry date. Scope also depends on the written description of the products covered, which the importer or their customs broker decides.
Primary Sources
The legal documents behind the headings in force. Check the legal text before you file.
- Federal Register: Proclamation 11002 (91 FR 2443)
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