Butterfish entered under this tariff line must be frozen and presented in whole or dressed form — fillets, livers, and roe are excluded and classified elsewhere under heading 0304 or related lines. The species is prized in foodservice and ethnic retail markets for its rich, mild flavor and is commonly traded pan-dressed or headed-and-gutted. All imported seafood under this line is subject to FDA admissibility review, and shipments from USDA FSIS-approved establishments may face additional reinspection requirements depending on processing level. Importers should confirm species identity documentation, as "butterfish" can refer to distinct species across Atlantic and Pacific fisheries, creating classification risk.

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