Frozen Blackback Flounder Fillets

Frozen fillets of blackback flounder (Pseudopleuronectes herbsteini), a North Atlantic flatfish with light texture, often used in gourmet seafood dishes. Supplied skin-off and IQF (individually quick frozen). Classified as frozen flounder under HTS 0304.83.5020.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

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

0304.81.50Lower: 10% vs 35%

If from halibut or Greenland turbot

Named flatfish like halibut have dedicated subheadings in 0304.81, distinct from 'other' flounder.

0710.80Lower: 24.9% vs 35%

If dried, dehydrated, or powdered

Dried or dehydrated fish products shift to Chapter 7 vegetables/fruits provisions if meeting criteria.

0304.83Same rate: 35%

If statistical breakout for specific flounder types tracked separately

Certain flounder may have finer statistical suffixes, but core heading remains 0304.83.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Use correct scientific nomenclature in documentation to avoid reclassification from flounder to generic flatfish

Comply with Lacey Act by declaring harvest location and quantity for traceability

Test for histamine levels even in frozen fillets to meet FDA seafood safety standards

Related Products under HTS 0304.83.50.20

Frozen Atlantic Flounder Fillets

Frozen skinless fillets from Atlantic flounder (Pseudopleuronectes americanus), a flatfish species belonging to the Pleuronectidae family. These are typically sold in vacuum-sealed packs for retail or foodservice use. Classified under HTS 0304.83.5020 as frozen fillets of flounder, a specific flatfish type.

Frozen Pacific Flounder Skinless Fillets

Frozen fillets from Pacific flounder (Verasper moseri), skinless and boneless, sourced from North Pacific waters and part of the flatfish group. Packaged for commercial distribution. Fits HTS 0304.83.5020 for frozen flounder fillets under flatfish.

Frozen Southern Flounder IQF Fillets

Individually quick frozen (IQF) fillets from southern flounder (Paralichthys lethostigma), a warm-water flatfish popular in US Southeast markets. Skinless and portioned for retail. HTS 0304.83.5020 applies to these frozen flatfish flounder fillets.

Frozen Yellowtail Flounder Fillets

Frozen block fillets of yellowtail flounder (Limanda ferruginea), a prized Northeast Atlantic flatfish known for mild flavor. Typically skin-on or off per buyer spec, for institutional use. Under HTS 0304.83.5020 as other frozen flounder flatfish fillets.

Frozen Summer Flounder Skin-Off Fillets

Skin-off frozen fillets from summer flounder (Paralichthys dentatus), also called fluke, a versatile flatfish for frying or baking. Bulk packed for processors. HTS 0304.83.5020 for frozen flatfish flounder.

Frozen Witch Flounder Fillets

Frozen fillets of witch flounder (Glyptocephalus cynoglossus), a deep-water flatfish with delicate flesh from the Cynoglossidae family. IQF for premium markets. Classified in HTS 0304.83.5020 as frozen flounder.