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HTS 8542.31.00Electronic integrated circuits; parts thereof:Electronic integrated circuits: Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits

What that translates to:Processor and controller chips (e.g. CPUs, GPUs, microcontrollers)

Also written 85423100. Rates as CBP is collecting them today. Updated Oct 1, 2026.

Processor and controller chips (e.g. CPUs, GPUs… (HTS 8542.31.00) from China owe 50% in total duties as of Oct 1, 2026: no regular duty plus a 50% 2024 China tariff increases (Section 301).

Total duty rate50%That's $5,000 on a $10,000 shipment.
2024 China tariff increasesSection 301, since Jan 1, 202550%
Regular dutyBase rate (MFN) in the tariff scheduleFree
Total duty50%
No forced-labor tariff on this product: it's on the tariff's exemption list (HTS 9903.05.86).
Sources: USITC Harmonized Tariff Schedule, Revision 20 (2026); USTR, Notice of Action: China's Acts, Policies, and Practices Related to Targeting of the Semiconductor Industry for Dominance (note 31(f)(ii), p. 60850), 90 FR 60848, Dec 29, 2025; HTS 9903.91.05.

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Official description

Electronic integrated circuits; parts thereof: Electronic integrated circuits: Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits

Legal text from the Harmonized Tariff Schedule, Revision 20 (2026), chapter 85: Electrical machinery and equipment and parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles.

Statistical lines

The 10-digit numbers used on entry paperwork. They share this code's duty rates.

  • 8542.31.0015 (8542310015)8-bit · reported in No.
  • 8542.31.0020 (8542310020)16-bit · reported in No.
  • 8542.31.0025 (8542310025)32-bit · reported in No.
  • 8542.31.0030 (8542310030)Other · reported in No.
  • 8542.31.0035 (8542310035)Digital signal processors (DSPs) · reported in No.
  • 8542.31.0040 (8542310040)Graphics processing units (GPUs) · reported in No.
  • 8542.31.0045 (8542310045)Central processing units (CPUs) · reported in No.
  • 8542.31.0050 (8542310050)Other · reported in No.
  • 8542.31.0055 (8542310055)Complex programmable logic devices (CPLDs) · reported in No.
  • 8542.31.0060 (8542310060)Field programmable gate arrays (FPGAs) · reported in No.
  • 8542.31.0065 (8542310065)Other · reported in No.
  • 8542.31.0070 (8542310070)System on chip (SoCs) · reported in No.
  • 8542.31.0075 (8542310075)Other · reported in No.

Related codes

8542.32.00 Memories8542.33.00 Amplifiers8542.39.00 Electronic integrated circuits, other8542.90.00 Parts

What changed for this code

Questions about HTS 8542.31.00

What is the duty rate for HTS 8542.31.00?

The regular (column 1 general) rate printed in the tariff schedule is Free. Goods from China owe 50% in total as of Oct 1, 2026, including any additional tariffs. Additional tariffs depend on the country of origin; choose one above to see its full rate.

Is HTS 8542.31.00 subject to Section 301 tariffs?

Yes, for goods from 2 countries and territories as of Oct 1, 2026: China, Nicaragua. Choose a country above to see the rate and any exemptions.

Is HTS 8542.31.00 subject to Section 232 tariffs?

No Section 232 tariff applies to HTS 8542.31.00 as of Oct 1, 2026, from any country of origin.

HTSLookup shows the duties CBP collects on this code by country of origin. Antidumping or countervailing duties may also apply to some exporters; they're set per company and aren't shown.