2512.00.00.00
Siliceous fossil meals (for example, kieselguhr, tripolite and diatomite) and similar siliceous earths, whether or not calcined, of an apparent specific gravity of 1 or less
Duty rates
Column 1 (General / MFN)
Free
Column 2 (Non-NTR)
Free
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)
9903.90.08
35%
Articles the product of the Russian Federation, as provided for in U.S. note 30(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 30(b) to this subchapter
Applies to origin: RU, BY
Effective from April 5, 2025
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United States, before 12:01 a.m. eastern standard time on February 24, 2026; and (2) are entered for consumption, or withdrawn from warehouse for consumption, before 12:01 a.m. eastern standard time on February 28, 2026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
9903.88.03
LIST_1
The duty provided in the applicable subheading + 25%
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 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(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Applies to origin: CN
Effective from August 23, 2018
Related CBP rulings
Coastwise Transportation; 46 U.S.C. § 55103; 19 C.F.R. § 4.50(b)
You ask whether one individual may be transported on the non-coastwise-qualified M/V SHANDONG HAI DA (the “vessel”), from Philadelphia, Pennsylvania, to Baltimore, Maryland, from on or about December 28, 2013, through on or about December 3
Coastwise Transportation; 46 U.S.C. § 55103; 19 C.F.R. § 4.50(b)
You ask whether one individual may be transported on the non-coastwise-qualified M/V SHANDONG HAI DA (the “vessel”), from Philadelphia, Pennsylvania, to Baltimore, Maryland, from on or about December 30, 2013, through on or about January 3,
Coastwise Transportation; 46 U.S.C. § 55103; 19 C.F.R. § 4.50(b)
You ask whether one individual may be transported on the non-coastwise-qualified M/V STEVEN C (the “vessel”), from Wilmington, Delaware, to New Orleans, Louisiana, from June 30, 2011 through July 4, 2011. The individual would be transported
Laser Engraving; Country of Origin; Substantial Transformation
Estex imports wooden spreader knives from Estonia. As shown by Sample No. 1, the knives are marked with their country of origin when delivered to Estex. The company plans to market these knives to clients after having laser engraved the nam
Country of origin; marking; glass preforms; optical fiber; substantial transformation; Alcatel; HQ 560660; HQ 964632; draw process; Colorlock®; 7020.00.60; 8544.70.00; polarization mode dispersion (PMD);Dear Mr. Curtis:
You state that optical fiber will be manufactured by Alcatel NA Cable Sytems, Inc., in Clarement, North Carolina from foreign-made optical preforms. Due to a restructuring of Alcatel’s global manufacturing of optical fiber, the company will
18 U.S.C. 2510, 2512; Devices primarily useful for the purpose of the surreptitious interception of wire, oral, or electronic communications
You ask whether certain closed circuit television cameras with audio may be imported into the United States. You describe the pertinent facts as follows: The subject merchandise consists of printed circuit boards with electronics and a lens
The tariff classification of cat litter from New Zealand
You indicated in your letter that the product is a naturally occurring mixture containing 80 percent diatomite and 20 percent pumicite. The lab determined that the sample, an off-white powder with clumps, is a siliceous earth having an appa
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 2512.00.00.00 from each major US trading partner.
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