Tariffs API
HTS 0303.51.00.00 Tariff
HTS 0303.51.00.00 classifies "Herrings (<i>Clupea harengus, Clupea pallasii</i>)" in the US Harmonized Tariff Schedule. Base duty rates below apply to most trade; country of origin can change applicable rates and add additional duties (e.g. Section 301). Use the calculator or API to compute total duty.
- Type: Base HTS
- How to use: Base rates apply to most countries (General/Special). Column 2 applies to non-MFN countries. Additional duties (Section 301, 232, IEEPA) may apply by origin; use the calculator or resolve API to get the full picture.
Related explainers:
Official HTS Description
Official product classification and description from the Harmonized Tariff Schedule
Product Name
Herrings (<i>Clupea harengus, Clupea pallasii</i>)
HTS Schedule Description
Herrings (<i>Clupea harengus, Clupea pallasii</i>)
Additional Description
Herrings (<i>Clupea harengus, Clupea pallasii</i>)
HS Code
0303.51.00.00
HTS Number
0303.51.00.00
Unit of Quantity
kg
Classification Level
Level 2 (more specific = higher level)
Legal Notes & Requirements
Important footnotes and legal requirements for this HTS classification
See 9903.88.03.
Additional Duties (Section 301, 232, etc.)
Country-specific additional tariffs separate from base rates
Section 301 Uncertain
Trade remedies targeting specific countries
See 9903.88.03
Note: Rate not specified in source. Research Chapter 99 code for exact rate.
Applies to: CN
Effective date unknown
Confidence: High (Authority could not be determined from text; manual classification needed; References multiple subheadings and specifies products of China)
See 9903.88.03
Note: Rate not specified in source. Research Chapter 99 code for exact rate.
Applies to: CN
Effective date unknown
Confidence: High (Authority could not be determined from text; manual classification needed; Excludes specific headings for products of China as per U.S. notes)
See 9903.88.03
Note: Rate not specified in source. Research Chapter 99 code for exact rate.
Applies to: CN
Effective date unknown
Confidence: High (Authority could not be determined from text; manual classification needed; Excludes specific headings for products of China as per U.S. notes.)
Unknown Additional Duty Uncertain
Additional trade measures
Tip: Select a country of origin above to see which measures apply.
Related HTS Codes
Other codes in the same chapter ( 0303)
Showing up to 12 related codes. Search all HTS codes for more.
Frequently Asked Questions
This is a US Harmonized Tariff Schedule (HTS) code that classifies "Herrings (<i>Clupea harengus, Clupea pallasii</i>)". It determines base duty rates for imports; additional duties may apply by country of origin.
Yes. General and Special rates apply by trade agreement and origin. Additional duties (Section 301, 232, IEEPA) are origin-specific. Use the tariff calculator or resolve API with an origin to see full duty.
Use our tariff calculator (with HTS and optional origin) or the API endpoint GET /api/v1/tariffs/resolve with hts and origin. The API returns base tariffs and additional measures separately; sum as needed for your use case.
Duty rates (HTS columns)
Base duty rates and agreement-specific tariffs for this product
Column 1 - General
Normal Trade Relations (NTR/MFN) rates for most countries
Free
Effective: February 02, 2026
Column 1 - Special
No special rate available
Column 2
Higher rates for non-MFN countries
Free
Effective: November 19, 2025
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