Section 01 Live animals; animal products. 03 Fish and crustaceans, mollusc and other aquatic invertebrates 03 03 Fish, frozen, (excl. those of 03.04) 03 03 54 Pacific mackerel (Scomber japonicus) 03 03 54 20 Pacific mackerel (Scomber japonicus) Commodity Code Description 03 03 54 20 00 Pacific mackerel (Scomber japonicus)