9027.50.40.50
Photometers
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: Other instruments and apparatus using optical radiations (ultraviolet, visible, infrared): Other: Electrical
Duty rates
No active duty rates published for this code.
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United States, before 12:01 a.m. eastern standard time on February 24, 2026; and (2) are entered for consumption, or withdrawn from warehouse for consumption, before 12:01 a.m. eastern standard time on February 28, 2026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
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
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
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
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
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
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
The tariff classification of a heat sink assembly from China
The tariff classification of a heat sink assembly from China
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.
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
The tariff classification of blood glucose monitors from South Korea
The tariff classification of blood glucose monitors from South Korea
The tariff classification of blood glucose monitoring systems from Vietnam
The tariff classification of blood glucose monitoring systems from Vietnam
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
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 9027.50.40.50 from each major US trading partner.
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