Sole Fillets, Skinned, Frozen Blocks Over 4.5 kg (For Mincing or Grinding)

Sole fillets entered under HTS 0304831015 must arrive skinned, in frozen blocks exceeding 4.5 kg, and be destined for mincing, grinding, or cutting into uniform portions — conditions that collectively distinguish this industrial-processing provision from retail-oriented sole fillet lines. The block format is standard for seafood ingredient supply chains feeding breaded fish, fish sticks, and prepared meal manufacturers. FDA's seafood HACCP regulations apply to all imported fish fillets, requiring importers to verify that foreign suppliers maintain equivalent food-safety controls. Sole species vary widely by origin, and accurate species identification on entry documentation is essential to avoid misclassification.

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