HTS 9031.41.00Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof:Other optical instruments and appliances: For inspecting semiconductor wafers or devices (including integrated circuits) or for inspecting photomasks or reticles used in manufacturing semiconductor devices (including integrated circuits)

What that translates to:Optical inspection gear for semiconductor wafers, devices, photomasks

Also written 90314100. Rates as CBP is collecting them today. Updated Oct 1, 2026.

Country of origin

Optical inspection gear for semiconductor wafers, devices… (HTS 9031.41.00) from China owe 25% in total duties as of Oct 1, 2026: no regular duty plus a 25% China tariff (Section 301).

Total duty rate25%That's $2,500 on a $10,000 shipment.

China tariffSection 301, since Jul 6, 201825%

Regular dutyBase rate (MFN) in the tariff scheduleFree

Total duty25%

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 and Request for Public Comment Concerning Proposed Determination of Action Pursuant to Section 301 (List 1, 25% from Jul 6, 2018), 83 FR 28710, Jun 20, 2018; HTS 9903.88.01.

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Official description

Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof: Other optical instruments and appliances: For inspecting semiconductor wafers or devices (including integrated circuits) or for inspecting photomasks or reticles used in manufacturing semiconductor devices (including integrated circuits)

Legal text from the Harmonized Tariff Schedule, Revision 20 (2026), chapter 90: Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof.

Statistical lines

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

9031.41.0020 (9031410020)For inspecting photomasks or reticles used in manufacturing semiconductor devices · reported in No.
9031.41.0040 (9031410040)For wafers · reported in No.
9031.41.0060 (9031410060)Other · reported in No.

What changed for this code

Jul 24, 2026Forced-labor tariffs start on imports from 60 economies (Section 301)
Jul 22, 202625% Section 301 tariff on products of Brazil starts
Jan 1, 2026Section 301 tariff on Nicaragua starts at 0%, set to rise to 10% in 2027 and 15% in 2028

Questions about HTS 9031.41.00

What is the duty rate for HTS 9031.41.00?

The regular (column 1 general) rate printed in the tariff schedule is Free. Goods from China owe 25% 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 9031.41.00 subject to Section 301 tariffs?

Yes, for goods from 3 countries and territories as of Oct 1, 2026: Brazil, China, Nicaragua. Choose a country above to see the rate and any exemptions.

Is HTS 9031.41.00 subject to Section 232 tariffs?

No Section 232 tariff applies to HTS 9031.41.00 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.