Import duty notes · checked 22 October 2026
Semiconductors (processors and controllers) tariff from China: HTS duty and Section 301 notes
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Estimate only, not a customs ruling. AI-assisted. Drafted with AI help from public US government data. Duty figures were checked against the official sources linked next to each number on 22 October 2026. Your exact rate depends on the 10-digit classification of your product, which only US Customs (CBP) can rule on.
Duty at a glance
| Item | Figure and source |
|---|---|
| HTS subheading | 8542.31.00 USITC HTS |
| General (MFN) duty | Free USITC HTS, 2026 HTS Revision 21 |
| Section 301 (China) | +50% (2024 review, note 31(f), heading 9903.91.05) USITC China Tariffs list · 9903.91.05 in HTS |
| Section 301, 9903.05.31 (China) | Not subject: 8542.31.00 is listed in U.S. note 52(b) to chapter 99 (heading 9903.05.86), which exempts it from 9903.05.31. 9903.05.31 in HTS · CBP CSMS #69326983 |
| Summary | Base rate Free plus 50% Section 301; not subject to the 12.5% duty of 9903.05.31 |
Electronic integrated circuits: processors and controllers. Semiconductors in heading 8541/8542 moved to a 50% Section 301 rate from January 1, 2025 (U.S. note 31(f)).
Section 301 list status is taken from the USITC "China Tariffs" reference (last updated July 28, 2026). Background on the lists is on USTR's Section 301 tariff actions page. Other duties on goods from China, such as IEEPA duties under U.S. notes 2(u)/2(v) to chapter 99, change often and are not included here; check the current HTS chapter 99 before you price. Exclusions, if any, are listed in U.S. note 20.
Sourcing notes
- Other IC types (memory, amplifiers) have their own subheadings.
- Export-control rules may apply to some chips; check before contracting.
- Counterfeit parts are a known risk; buy through traceable channels.
These are common checks, not a full compliance list. Requirements depend on your exact product and sales channel.
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