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Refined Herring Fish Oil

Herring fish oil extracted from herring fish, refined to remove impurities but not chemically modified. It falls under HTS 1504.20.40.00 as a fat and oil fraction of herring, a type of fish other than liver oils. Commonly used in nutritional supplements and animal feed.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+37.5%37.5%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

1504.10Lower: 15% vs 37.5%

If derived from fish livers

Liver oils like cod liver oil are classified separately in 1504.10, excluding other fish oils.

1516.20Lower: 12.5% vs 37.5%

If chemically modified or hydrogenated

Chemically modified fish oils, such as hydrogenated forms, move to heading 1516 for animal or vegetable fats that are modified.

1522.00.00.00Lower: 23.8% vs 37.5%

If soap-stocks or foots/dregs

Residues like soap-stocks, oil foots, and dregs from herring oil refining fall under 1522 per chapter notes.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Verify the oil is from herring and not chemically modified to avoid reclassification under Chapter 15 headings for modified fats

• Provide certificates of analysis confirming refinement process and marine origin for customs compliance

• Check for omega-3 content labeling requirements and ensure no liver oil contamination