Section 01 LIVE ANIMALS; ANIMAL PRODUCTS. 03 Fish and crustaceans mulluscs and other aquatic invertebrates. 03 03 Fish, frozen, excluding fish fillets and other fish meat of heading 0304 03 03 42 YELLOWFIN TUNAS (THUNNUS ALBACARES): Commodity Code Description 03 03 42 10 FOR PROCESSING 03 03 42 90 OTHER