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 03.04. 03 03 55 Jack and horse mackerel (Trachurus spp.) Commodity Code Description 03 03 55 00 Jack and horse mackerel (Trachurus spp.)