Required documentation includes a commercial invoice with species identification, packing list, bill of lading, FDA Prior Notice confirmation, and HACCP records from the foreign processing facility. If the shipment originates from a country subject to NOAA's Seafood Import Monitoring Program for hake, chain-of-custody harvest data must also be submitted.

Partial skinning alone does not determine the subheading — the key variables are block weight (over vs. under 4.5 kg), intended downstream use, and species (Urophycis vs. Merluccius). A licensed customs broker should review the specific product specification and intended use before filing the entry to select the correct 10-digit line.