9012.10.00.00

Microscopes other than optical microscopes; diffraction apparatus

Microscopes other than optical microscopes; diffraction apparatus; parts and accessories thereof

Unit: No. Heading: 9012 Chapter: 90 As of May 1, 2026

Duty rates

Column 1 (General / MFN)

Free

Column 2 (Non-NTR)

40%

The rates above are statutory column rates. Trade remedies in Chapter 99 (Section 301, 232, IEEPA, reciprocal) and FTA preferences can change the duty owed on a given entry — see below.

Trade measures (Chapter 99)

9903.03.01

The duty provided in the applicable subheading + 10%

Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Effective from February 24, 2026 through July 24, 2026

9903.03.02

The duty provided in the applicable subheading

Articles the product of any country that (1) were loaded onto a vessel at the port of loading and in transit on the final mode of transit prior to entry into the United States, before 12:01 a.m. eastern standard time on February 24, 2026; and (2) are entered for consumption, or withdrawn from warehouse for consumption, before 12:01 a.m. eastern standard time on February 28, 2026

Effective from February 24, 2026 through July 24, 2026

9903.03.03

The duty provided in the applicable subheading

Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Effective from February 24, 2026 through July 24, 2026

9903.03.04

The duty provided in the applicable subheading

Articles the product of any country, as provided for in subdivision (aa)(iii) of U.S. note 2 to this subchapter

Effective from February 24, 2026 through July 24, 2026

9903.03.05

The duty provided in the applicable subheading

Articles of civil aircraft (all aircraft other than military aircraft); their engines, parts and components; their other parts, components and subassemblies; and ground flight simulators and their parts and components of any country, provided for in subdivision (aa)(iv) of U.S. note 2 to this subchapter

Effective from February 24, 2026 through July 24, 2026

9903.03.06

The duty provided in the applicable subheading

Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter

Effective from February 24, 2026 through July 24, 2026

9903.03.07

The duty provided in the applicable subheading

Articles the product of Canada, as provided for in subdivision (aa)(vi) of U.S. note 2 to this subchapter

Applies to origin: CA

Effective from February 24, 2026 through July 24, 2026

9903.03.08

The duty provided in the applicable subheading

Articles the product of Mexico, as provided for in subdivision (aa)(vii) of U.S. note 2 to this subchapter

Applies to origin: MX

Effective from February 24, 2026 through July 24, 2026

9903.03.09

The duty provided in the applicable subheading

Articles of textiles or apparel the product of Costa Rica, the Dominican Republic, El Salvador, Guatemala, Honduras or Nicaragua, as provided for in subdivision (aa)(viii) of U.S. note 2 to this subchapter

Applies to origin: CR, SV, GT, HN, NI, DO

Effective from February 24, 2026 through July 24, 2026

9903.03.10

The duty provided in the applicable subheading

Articles that are donations, by persons subject to the jurisdiction of the United States, such as food, clothing and medicine, intended to be used to relieve human suffering

Effective from February 24, 2026 through July 24, 2026

9903.03.11

The duty provided in the applicable subheading

Articles that are informational materials, including but not limited to publications, films, posters, phonograph records, photographs, microfilms, microfiche, tapes, compact disks, CD ROMs, artworks and news wire feeds

Applies to origin: IL

Effective from February 24, 2026 through July 24, 2026

9903.88.01

LIST_1

The duty provided in the applicable subheading plus 25%

Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]

Applies to origin: CN

Effective from July 6, 2018

Related CBP rulings

N248866 January 15, 2014

The tariff classification of Multiprobe LT S UHV System

The Multiprobe LT S UVH System is a low-temperature scanning tunneling microscope. The instrument controls a metallic tip with a piezo motor and scanner in atomic scale to probe the sample’s surface topography and electronic structures. The

N084236 December 8, 2009

The tariff classification of scanning electron microscopes from Czech Republic

The two items for which you are requesting a ruling are the scanning electron microscopes (SEM), models Magellan 400 and Magellan 400L. You described the Magellan 400 as a general purpose SEM utilized by materials science and semiconductor

N042396 October 28, 2008

The tariff classification of JEM-1011 Transmission Electron Microscope (TEM) from Japan

The JEM-1011 Transmission Electron Microscope (TEM) is used for studying the structures of bacteria and their association with food and tissues. The primary function of the components, when used in concert in the TEM, is to help analyze the

R03296 March 10, 2006

The tariff classification of the Nova 200 NanoLab

Descriptive literature on the FEI Company’s Nova 200 NanoLab was submitted with

D86881 February 3, 1999

The tariff classification of scanning tunneling microscopes, atomic force microscopes, software and metal computer tables from Japan

The model JSTM-4500XT is an Ultrahigh Vacuum Scanning Tunneling Microscope which is a composite surface analysis instrument allowing the operator to obtain atomic-scale images of surfaces. The model JAFM-4500XT is an Ultrahigh Vacuum Atomic

802690 December 22, 1994

The tariff classification of Integrated Silicon Cantilever GMTC Micromechanical Tip from Germany

The tariff classification of Integrated Silicon Cantilever GMTC Micromechanical Tip from Germany

888077 July 22, 1993

The tariff classification of Vacuum Scanning TunnelingMicroscopes, Software and Table from Japan

The tariff classification of Vacuum Scanning TunnelingMicroscopes, Software and Table from Japan

W556818 March 22, 1993

Applicability of subheading 9802.00.50, HTSUS, to surgical kits; sterilization; Guardian; HRL 556007; GSP;,sets

The kits come with a different variety of items and are customized for the particular hospital that is purchasing them. A kit may be designed for a particular preparatory, surgical or post-surgical procedure, or may be of general surgical u

089002 June 27, 1991

Protest No. 2809-0-000873; laser scanning microscope;Subheading 9012.10.00; Subheading 9013.80.60; HQ 088231.

The article under protest is a black and white laser microscope system, also referred to as a confocal laser scanning microscope.

Other codes in heading 9012

View all codes in heading 9012 →

Duty by origin country

The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 9012.10.00.00 from each major US trading partner.

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