Section 01 LIVE ANIMALS; ANIMAL PRODUCTS. 03 FISH AND CRUSTACEANS, MOLLUSCS AND OTHER AQUATIC INVERTEBRATES. 03 03 FISH, FROZEN, EXCLUDING FISH FILLETS AND OTHER FISH MEAT OF HEADING 0304 03 03 54 OTHER MACKEREL (SCOMBER SCOMBRUS/ AUSTRALASICUS/ JAPONICUS), FROZEN 03 03 54 90 OTHER MACKEREL (SCOMBER SCOMBRUS/ AUSTRALASICUS/ JAPONICUS), FROZEN Commodity Code Description 03 03 54 90 000 OTHER MACKEREL (SCOMBER SCOMBRUS/ AUSTRALASICUS/ JAPONICUS), FROZEN