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

The residual provision HTS 0304831090 captures skinned frozen flatfish fillet blocks over 4.5 kg destined for further processing that are not specifically enumerated elsewhere — meaning species such as plaice, turbot (non-Greenland), dab, or other flatfish fall here when no dedicated line applies. Because this is a catch-all line, correct classification requires ruling out all named flatfish provisions first, making species identification and a systematic HTS analysis essential before entry. The industrial block format and processing-intent requirement mirror those of the species-specific lines in the same subheading group. FDA seafood HACCP regulations and acceptable market-name requirements apply regardless of species.

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