9027.10.20.00

Electrical

Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes; parts and accessories thereof: Gas or smoke analysis apparatus

Unit: kg, No. Heading: 9027 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United States, before 12:01 a.m. eastern standard time on February 24, 2026; and (2) are entered for consumption, or withdrawn from warehouse for consumption, before 12:01 a.m. eastern standard time on February 28, 2026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

9903.88.02

LIST_1

The duty provided in the applicable subheading + 25%

Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)

Applies to origin: CN

Effective from August 23, 2018

9903.88.69

LIST_4

0% (exclusion from Section 301)

Effective with respect to entries on or after June 15, 2024 and through November 9, 2026, articles the product of China, as provided for in U.S. note 20(vvv) to this subchapter, each covered by an exclusion granted by the U.S. Trade Representative

Applies to origin: CN

Effective from September 1, 2019 through November 9, 2026

Related CBP rulings

N360516 April 29, 2026

The tariff classification of insulin pump patches and continuous glucose monitor patches from China

Additional information was provided via email dated April 28, 2026. The products under consideration include the Tandem Mobi Pocket Patch, Medtronic Guardian/Enlite Patch, Omnipod Patch, Libre 3+ Patch, and Dexcom G6 Patch. These are specia

N359718 March 26, 2026

The tariff classification of a Balanced Detector from Germany

Descriptive literature was provided for our review. The item under consideration is described as a Balanced Detector (model number BD-HQE-775), which is a high-quantum efficiency (HQE) balanced photodetector designed for operation at a wave

N356022 December 12, 2025

The tariff classification of gluten detection capsules and detection systems from China

are modified in any way, or if the goods do not conform to these facts at time of importation, you should bring this to the attention of U.S. Customs and Border Protection (CBP) and submit a request for a new ruling in accordance with 19 CF

N355538 November 25, 2025

The tariff classification of a continuous glucose monitor from China

are modified in any way, or if the goods do not conform to these facts at time of importation, you should bring this to the attention of U.S. Customs and Border Protection (CBP) and submit a request for a new ruling in accordance with 19 CF

N354772 October 29, 2025

The eligibility of the United States-Mexico-Canada Agreement (USMCA) of a heat sink assembly from Canada

The eligibility of the United States-Mexico-Canada Agreement (USMCA) of a heat sink assembly from Canada

N354553 October 28, 2025

The tariff classification of continuous glucose monitoring sensors from Canada

Descriptive literature was provided for our review. The item under consideration is described as the Dexcom G6 Continuous Glucose Monitoring (CGM) sensor, which is a single-use, sterile, electrochemical sensor designed to measure glucose le

N352482 September 3, 2025

The tariff classification of a heat sink assembly from China

The tariff classification of a heat sink assembly from China

N352518 August 29, 2025

The tariff classification of spectroscopy scanner from China

Descriptive literature was provided for our review. The item under consideration is described as the Prysm iO, which is a portable, rechargeable scanner that uses reflectance spectroscopy technology to measure carotenoid levels in the skin.

N352170 August 28, 2025

The tariff classification of glucose monitor patches from China and a glucose monitor case from Vietnam

The tariff classification of glucose monitor patches from China and a glucose monitor case from Vietnam

N351313 July 24, 2025

The tariff classification of blood glucose monitors from South Korea

The tariff classification of blood glucose monitors from South Korea

N350828 July 22, 2025

The tariff classification of blood glucose monitoring systems from Vietnam

The tariff classification of blood glucose monitoring systems from Vietnam

N350829 July 22, 2025

The tariff classification of blood glucose monitoring systems from Vietnam

The tariff classification of blood glucose monitoring systems from Vietnam

Other codes in heading 9027

View all codes in heading 9027 →

Duty by origin country

The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 9027.10.20.00 from each major US trading partner.

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