HEADING 0304
Fish fillets and other fish meat (whether or not minced), fresh, chilled or frozen:
Part of Chapter 03 — Fish and Crustaceans, Section I.
Subheadings and tariff lines
0304D01Fresh or chilled fillets of tilapias (Oreochromis spp.), catfish (Pangasius spp., Silurus spp., Clarias spp., Ictalurus spp.), carp (Cyprinus spp., Carassius spp., Ctenopharyngodon idellus, Hypophthalmichthys spp., Cirrhinus spp., Mylopharyngodon piceus, Catla catla, Labeo spp., Osteochilus hasselti, Leptobarbus hoeveni, Megalobrama spp.), eels (Anguilla spp.), Nile perch (Lates niloticus) and snakeheads (Channa spp.):
0304.31.00.00Tilapias (Oreochromis spp.)
0304.32.00Catfish (Pangasius spp., Silurus spp., Clarias spp., Ictalurus spp.)
0304.32.00.10Ictalurus spp.
0304.32.00.20Pangasius spp. including basa and tra
0304.32.00.90Other
0304.33.00.00Nile perch (Lates niloticus)
0304.39.00.00Other
0304D02Fresh or chilled fillets of other fish:
0304.41.00Pacific salmon (Oncorhynchus nerka, Oncorhynchus gorbuscha, Oncorhynchus keta, Oncorhynchus tschawytscha, Oncorhynchus kisutch, Oncorhynchus masou and Oncorhynchus rhodurus) Atlantic Salmon (Salmo salar) and Danube salmon (Hucho hucho)
0304.41.00D03Atlantic Salmon (Salmo salar):
0304.41.00.10Farmed
0304.41.00.20Not Farmed
0304.41.00.90Other
0304.42.00.00Trout (Salmo trutta, Oncorhynchus mykiss, Oncorhynchus clarki, Oncorhynchus aguabonita, Oncorhynchus gilae Oncorhynchus apache, and Oncorhynchus chrysogaster)
0304.43.00Flat Fish (Pleuronectidae, Bothidae, Cynoglossidae, Soleidae, Scophthalmidae, and Citharidae)
0304.43.00.10Sole
0304.43.00.15Paice
0304.43.00.20Flounder
0304.43.00.25Greenland turbot (Greenland halibut), (Reinhardtius hippoglossoides)
0304.43.00.90Other
0304.44.00Fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae, Moridae and Muraenolepididae
0304.44.00D04Cod:
0304.44.00.10Atlantic Cod
0304.44.00.15Other
0304.44.00.20Haddock
0304.44.00.25Pollock
0304.44.00.30Hake
0304.44.00.90Other
0304.45.00.00Swordfish (Xiphias gladius)
0304.46.00.00Toothfish (Dissostichus spp.)
0304.47.00.00Dogfish and other sharks
0304.48.00.00Rays and skates (Rajidae)
0304.49.01Other
0304.49.01D05Fresh-water fish:
0304.49.01.03Pike
0304.49.01.06Pickerel
0304.49.01.09Whitefish
0304.49.01.12Tilapia, other than Oreochromis spp.
0304.49.01.15Other
0304.49.01.20Atlantic ocean perch
0304.49.01.25Cusk
0304.49.01.90Other
0304D06Other, fresh or chilled:
0304.51.01Tilapias (Oreochromis spp.), catfish (Pangasius spp., Silurus spp., Clarias spp., Ictalurus spp.), carp (Cyprinus spp., Carassius spp., Ctenopharyngodon idellus, Hypophthalmichthys spp., Cirrhinus spp., Mylopharyngodon piceus, Catla catla, Labeo spp., Osteochilus hasselti, Leptobarbus hoeveni, Megalobrama spp.), eels (Anguilla spp.), Nile perch (Lates niloticus) and snakeheads (Channa spp.)
0304.51.01.10Ictalurus spp.
0304.51.01.15Pangasius spp., including basa and tra
0304.51.01.20Nile Perch
0304.51.01.25Tilapias (Oreochromis spp.)
0304.51.01.90Other
0304.52.00Salmonidae
0304.52.00D07Atlantic salmon (Salmo salar):
0304.52.00.10Farmed
0304.52.00.15Not farmed
0304.52.00.20Other salmon
0304.52.00.90Other
0304.53.00Fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae, Moridae and Muraenolepididae
0304.53.00D08Cod:
0304.53.00.10Atlantic Cod
0304.53.00.15Other
0304.53.00.20Haddock
0304.53.00.25Pollock
0304.53.00.30Hake
0304.53.00.90Other
0304.54.00.00Swordfish (Xiphias gladius)
0304.55.00.00Toothfish (Dissostichus spp.)
0304.56.00.00Dogfish and other sharks
0304.57.00.00Rays and skates (Rajidae)
0304.59.00Other
0304.59.00D09Fresh-water fish:
0304.59.00D10Perch:
0304.59.00.03Yellow perch
0304.59.00.06Pike perch (including yellow pike)
0304.59.00.09Other
0304.59.00.15Pike
0304.59.00.20Pickerel
0304.59.00.25Whitefish
0304.59.00.30Tilapia other than Oreochromis spp.
0304.59.00.36Other
0304.59.00D11Flat Fish:
0304.59.00.40Sole
0304.59.00.45Plaice
0304.59.00.50Flounder
0304.59.00.55Greenland turbot (Greenland halibut), (Reinhardtius hippoglossoides)
0304.59.00.61Other
0304.59.00.65Atlantic ocean perch
0304.59.00.70Cusk
0304.59.00.91Other
0304D12Frozen fillets of tilapias (Oreochromis spp.), catfish (Pangasius spp., Silurus spp., Clarias spp., Ictalurus spp.), carp (Cyprinus spp., Carassius spp., Ctenopharyngodon idellus, Hypophthalmichthys spp., Cirrhinus spp., Mylopharyngodon piceus, Catla catla, Labeo spp., Osteochilus hasselti, Leptobarbushoeveni, Megalobrama spp.), eels (Anguilla spp.), Nile perch (Lates niloticus) and snakeheads (Channa spp.):
0304.61.00.00Tilapias (Oreochromis spp.)
0304.62.00Catfish (Pangasius spp., Silurus spp., Clarias spp., Ictalurus spp.)
0304.62.00.10Ictalurus spp.
0304.62.00.20Pangasius spp. (including basa and tra)
0304.62.00.30Other Siluriformes
0304.62.00.90Other
0304.63.00.00Nile perch (Lates niloticus)
0304.69.00.00Other
0304D13Frozen fillets of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae, Moridae and Muraenolepididae:
0304.71Cod (Gadus morhua, Gadus ogac,Gadus macrocephalus):
0304.71.10.00Skinned, whether or not divided into pieces, and frozen into blocks each weighing over 4.5 kg, imported to be minced, ground or cut into pieces of uniform weights and dimensions
0304.71.50.00Other
0304.72Haddock (Melanogrammus aeglefinus):
0304.72.10.00Skinned, whether or not divided into pieces, and frozen into blocks each weighing over 4.5 kg, imported to be minced, ground or cut into pieces of uniform weights and dimensions
0304.72.50.00Other
0304.73Coalfish (Pollachius virens):
0304.73.10.00Skinned, whether or not divided into pieces, and frozen into blocks each weighing over 4.5 kg, imported to be minced, ground or cut into pieces of uniform weights and dimensions
0304.73.50.00Other
0304.74Hake (Merluccius spp., Urophycis spp.):
0304.74.10.00Skinned, whether or not divided into pieces, and frozen into blocks each weighing over 4.5 kg, imported to be minced, ground or cut into pieces of uniform weights and dimensions
0304.74.50.00Other
0304.75Alaska pollock (Theragra chalcogramma):
0304.75.10.00Skinned, whether or not divided into pieces, and frozen into blocks each weighing over 4.5 kg, imported to be minced, ground or cut into pieces of uniform weights and dimensions
0304.75.50.00Other
0304.79Other:
0304.79.10Skinned, whether or not divided into pieces, and frozen into blocks each weighing over 4.5 kg, imported to be minced, ground or cut into pieces of uniform weights and dimensions
0304.79.10.10Pollock other than Alaska pollock
0304.79.10.15Whiting (Merluccius spp.)
0304.79.10.90Other
0304.79.50.00Other
0304D14Frozen fillets of other fish:
0304.81Pacific salmon (Oncorhynchus nerka, Oncorhynchus gorbuscha, Oncorhynchus keta, Oncorhynchus tschawytscha, Oncorhynchus kisutch, Oncorhynchus masou and Oncorhynchus rhodurus) Atlantic Salmon (Salmo salar) and Danube salmon (Hucho hucho):
0304.81.10.00Skinned, whether or not divided into pieces, and frozen into blocks each weighing over 4.5 kg, imported to be minced, ground or cut into pieces of uniform weights and dimensions
0304.81.50Other
0304.81.50.10Atlantic salmon (Salmo salar)
0304.81.50.90Other
0304.82Trout (Salmo trutta, Oncorhynchus mykiss, Oncorhynchus clarki, Oncorhynchus aguabonita, Oncorhynchus gilae Oncorhynchus apache and Oncorhynchus chrysogaster):
0304.82.10.00Skinned, whether or not divided into pieces, and frozen into blocks each weighing over 4.5 kg, imported to be minced, ground or cut into pieces of uniform weights and dimensions
0304.82.50.00Other
0304.83Flat fish (Pleuronectidae, Bothidae, Cynoglossidae, Soleidae, Scophthalmidae, and Citharidae):
0304.83.10Skinned, whether or not divided into pieces, and frozen into blocks each weighing over 4.5 kg, imported to be minced, ground or cut into pieces of uniform weights and dimensions
0304.83.10.10Greenland turbot (Greenland halibut) (Reinhardtius hippoglossoides)
0304.83.10.15Sole
0304.83.10.20Flounder
0304.83.10D15Other:
0304.83.10.25Halibut
0304.83.10.30Turbot
0304.83.10.90Other
0304.83.50Other
0304.83.50.10Greenland turbot (Greenland halibut) (Reinhardtius hippoglossoides)
0304.83.50.15Sole
0304.83.50.20Flounder
0304.83.50D16Other:
0304.83.50.25Halibut
0304.83.50.30Turbot
0304.83.50.90Other
0304.84.00.00Swordfish (Xiphias gladius)
0304.85.00.00Toothfish (Dissostichus spp.)
0304.86.00.00Herrings (Clupea harengus, Clupea pallasii)
0304.87.00.00Tunas (of the genus Thunnus), skipjack tuna (stripe-bellied bonito) (Katsuwonus pelamis)
0304.88.00.00Dogfish, other sharks, rays and skates (Rajidae)
0304.89Other:
0304.89.10Skinned, whether or not divided into pieces, and frozen into blocks each weighing over 4.5 kg, imported to be minced, ground or cut into pieces of uniform weights and dimensions
0304.89.10.10Ocean catfish (wolf fish)
0304.89.10.15Pickerel
0304.89.10.20Sauger
0304.89.10D17Perch:
0304.89.10.25Atlantic ocean perch
0304.89.10.30Other ocean perch
0304.89.10.35Other
0304.89.10.90Other
0304.89.50Other
0304.89.50D18Fresh-water fish:
0304.89.50D19Perch:
0304.89.50.03Yellow perch
0304.89.50.06Pike perch (including yellow pike)
0304.89.50.09Other
0304.89.50.15Pickerel
0304.89.50.20Pike
0304.89.50.25Sauger
0304.89.50.30Other
0304.89.50.35Atlantic ocean perch
0304.89.50.40Other ocean perch
0304.89.50.45Ocean catfish (wolf fish)
0304.89.50.50Orange roughy (Hoplostethus atlanticus)
0304.89.50.55Dolphin (Mahi mahi) (Coryphaena spp.)
0304.89.50.60Cusk
0304.89.50.91Other
0304D20Other, frozen:
0304.91Swordfish (Xiphias gladius):
0304.91.10.00In bulk or in immediate containers weighing with their contents over 6.8 kg each
0304.91.90.00Other
0304.92Toothfish (Dissostichus spp.):
0304.92.10.00In bulk or in immediate containers weighing with their contents over 6.8 kg each
0304.92.90.00Other
0304.93Tilapias (Oreochromis spp.), catfish (Pangasius spp., Silurus spp., Clarias spp., Ictalurus spp.), carp (Cyprinus spp., Carassius spp., Ctenopharyngodon idellus, Hypophthalmichthys spp., Cirrhinus spp., Mylopharyngodon piceus, Catla catla, Labeo spp., Osteochilus hasselti, Leptobarbus hoeveni, Megalobrama spp.), eels (Anguilla spp.), Nile perch (Lates niloticus) and snakeheads (Channa spp.):
0304.93.10In bulk or in immediate containers weighing with their contents over 6.8 kg each
0304.93.10D21Minced:
0304.93.10.05Surimi
0304.93.10.10Other
0304.93.10.90Other
0304.93.90.00Other
0304.94Alaska pollock (Theragra chalcogramma):
0304.94.10In bulk or in immediate containers weighing with their contents over 6.8 kg each
0304.94.10D22Minced:
0304.94.10.05Surimi
0304.94.10.10Other
0304.94.10.90Other
0304.94.90.00Other
0304.95Fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae, Moridae and Muraenolepididae, other than Alaska Pollock (Theragra chalcogramma):
0304.95.10In bulk or in immediate containers weighing with their contents over 6.8 kg each
0304.95.10D23Minced:
0304.95.10.05Surimi
0304.95.10D24Other:
0304.95.10.10Cod
0304.95.10.15Other
0304.95.10D25Other:
0304.95.10.20Cod
0304.95.10.25Haddock
0304.95.10.30Pollock
0304.95.10.90Other
0304.95.90.00Other
0304.96.00.00Dogfish and other sharks
0304.97.00.00Rays and skates (Rajidae)
0304.99Other:
0304.99.11In bulk or in immediate containers weighing with their contents over 6.8 kg each
0304.99.11D26Minced:
0304.99.11.04Surimi
0304.99.11.09Other
0304.99.11D27Other:
0304.99.11.50Sole
0304.99.11.60Greenland turbot (Greenland halibut) (Reinhardtius hippoglossoides)
0304.99.11.70Ocean perch
0304.99.11.82Pike
0304.99.11.83Whitefish
0304.99.11D28Other:
0304.99.11.84Fresh-water
0304.99.11.90Tuna [of genus Thunnus and of fish of the genus Euthynnus(Katsuwonus) pelamis]
0304.99.11.94Other
0304.99.91Other
0304.99.91.90Ocean
0304.99.91.92Other
Recent CBP rulings on heading 0304
N355931
December 8, 2025
The Tariff Classification of Frozen Whiting Fillets from Argentina
H338586
July 21, 2025
Application for Further Review of Protest No. 2704-20-147302; Tariff Classification of Frozen Tilapia Fillets; Application of Section 301 China Products Trade Remedy
N348299
May 28, 2025
The tariff classification and country of origin of Frozen Cod, Pollock and Salmon Fillets
N346762
April 16, 2025
The Tariff Classification and Country of Origin of Frozen Greenland Halibut
H331430
September 27, 2023
Country of Origin of Frozen Fish; Section 301 Measures
N334876
September 20, 2023
The tariff classification of Frozen Japanese Seabass from China
N326844
July 27, 2022
The Tariff Classification of Frozen Ground Tuna from Indonesia
N317712
March 19, 2021
The tariff classification of Frozen Tuna Meat from Vietnam, Thailand, Indonesia, Sri Lanka and the Marshall Islands.
N306556
October 11, 2019
The tariff classification, country of origin, and status under the United States - Korea Free Trade Agreement (UKFTA) of Frozen Tuna Loins. Correction to Ruling Number N306075.
H286250
June 20, 2017
Reconsideration of NY N284246; country of origin marking of salmon from China
N286151
June 8, 2017
The tariff classification of Frozen Fish Fillets from the United Kingdom.
N279548
October 18, 2016
The tariff classification of Frozen Tuna Cubes from China and Thailand
Classifying products under 0304?
TariffLens picks the right 10-digit code with GRI reasoning and cited rulings.
Book a demo →