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Import duty / Chapter 03 / Heading 0303

Import duty on Fish; frozen, excluding fish fillets and other fish meat of heading 0304 (HS 0303)

Heading 0303 covers 44 tariff lines in LoadLoom's table; 43 of them clear duty-free under USMCA for goods made in Canada, the US or Mexico. Published US and Canadian rates below, verified October 2026. Pick the line that matches your goods for the worked example and border steps.

HS codeGoodsUS dutyCanada dutyUSMCA
0303.11Fish; frozen, Pacific salmon, sockeye salmon (red salmon) (Oncorhynchus nerka), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.12Fish; frozen, Pacific salmon (Oncorhynchus gorbuscha/keta/tschawytscha/ kisutch/masou/rhodurus) other than sockeye salmon (Oncorhynchus nerka), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.13Fish; frozen, Atlantic salmon (Salmo salar) and Danube salmon (Hucho hucho), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.14Fish; frozen, trout (Salmo trutta, Oncorhynchus mykiss, Oncorhynchus clarki, Oncorhynchus aguabonita, Oncorhynchus gilae, Oncorhynchus apache and Oncorhynchus chrysogaster), excluding fillets, meat of 0304, and edible fish offal of 0303.91 to 0303.99FreeFreeFree with certificate
0303.19Fish; frozen, salmonidae, n.e.c. in item no. 0303.1, excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.23Fish; frozen, tilapias (Oreochromis spp.), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.24Fish; frozen, catfish (Pangasius spp., Silurus spp., Clarias spp., Ictalurus spp.), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.25Fish; frozen, carp (as specified by the WCO), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.26Fish; frozen, eels (Anguilla spp.), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.29Fish; frozen, Nile perch (Lates niloticus) and snakeheads (Channa spp.), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.31Fish; frozen, halibut (Reinhardtius hippoglossoides, Hippoglossus hippoglossus, Hippoglossus stenolepis), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.32Fish; frozen, plaice (Pleuronectes platessa), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.33Fish; frozen, sole (Solea spp.), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99specific or compound rateFreeFree with certificate
0303.34Fish; frozen, turbots (Psetta maxima, Scophthalmidae), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99specific or compound rateFreeFree with certificate
0303.39Fish; frozen, flat fish, n.e.c. in item no. 0303.3, excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99specific or compound rateFreeFree with certificate
0303.41Fish; frozen, albacore or longfinned tunas (Thunnus alalunga), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.42Fish; frozen, yellowfin tunas (Thunnus albacares), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.43Fish; frozen, skipjack tuna (stripe-bellied bonito) (Katsuwonus pelamis), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.44Fish; frozen, bigeye tunas (Thunnus obesus), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.45Fish; frozen, Atlantic and Pacific bluefin tunas (Thunnus thynnus, Thunnus orientalis), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.46Fish; frozen, southern bluefin tunas (Thunnus maccoyii), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.49Fish; frozen, tuna, n.e.c. in item no. 0303.4, excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.51Fish; frozen, herrings (Clupea harengus, Clupea pallasii), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.53Fish; frozen, sardines (Sardina pilchardus, Sardinops spp.), sardinella (Sardinella spp.), brisling or sprats (Sprattus sprattus), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99specific or compound rateFreeFree with certificate
0303.54Fish; frozen, mackerel (Scomber scombrus, Scomber australasicus, Scomber japonicus), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.55Fish; frozen, jack and horse mackerel (Trachurus spp.), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.56Fish; frozen, cobia (Rachycentron canadum), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.57Fish; frozen, swordfish (Xiphias gladius), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.59Fish; frozen, n.e.c. in item no. 0303.5, excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.63Fish; frozen, cod (Gadus morhua, Gadus ogac, Gadus macrocephalus), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.64Fish; frozen, haddock (Melanogrammus aeglefinus), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.65Fish; frozen, coalfish (Pollachius virens), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.66Fish; frozen, hake (Merluccius spp., Urophycis spp.), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.67Fish; frozen, Alaska pollock (Theragra chalcogramma), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.68Fish; frozen, blue whitings (Micromesistius poutassou, Micromesistius australis), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.69Fish; frozen, of Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae, Moridae, Muraenolepididae, other than cod, haddock, coalfish, hake, Alaska pollack, blue whitings, not fillets, meat of 0304, and edible offal of 0303.9FreeFreeFree with certificate
0303.81Fish; frozen, dogfish and other sharks, excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99specific or compound rateFreeFree with certificate
0303.82Fish; frozen, rays and skates (Rajidae), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.83Fish; frozen, toothfish (Dissostichus spp.), excluding fillets, livers, roes, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.84Fish; frozen, seabass (Dicentrarchus spp.), excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.89Fish; frozen, n.e.c. in heading 0303, excluding fillets, fish meat of 0304, and edible fish offal of subheadings 0303.91 to 0303.99FreeFreeFree with certificate
0303.91Fish; frozen, livers, roes and milt15%3%Not eligible
0303.92Fish; frozen, shark finsspecific or compound rateFreeFree with certificate
0303.99Fish; frozen, fish fins (other than shark fins), heads, tails, maws and other edible fish offalFreeFreeFree with certificate

This page is a free reference for shippers, not a customs ruling. Final classification and duty are determined by the licensed customs broker at entry, and government amounts are always billed at actual. Rates change with each tariff edition and trade action.

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Chapter 03: Fish and crustaceans, molluscs and other aquatic invertebrates · Every chapter

USDOT Number: 3852466