0304.83.50.20/Frozen Blackback Flounder Fillets/Japan

Frozen Blackback Flounder Fillets from Japan

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.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• 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