# HS heading 03.03: Fish, frozen, excluding fish fillets and other fish meat of heading 0304 > HS heading 03.03 covers fish, frozen, excluding fish fillets and other fish meat of heading 0304. It is in chapter 03 (fish and crustaceans, molluscs and other aquatic invertebrates). It is split into 44 subheadings: 0303.11 (salmonidae, excluding edible fish offal of subheadings 0303 91 to 0303 99, sockeye salmon (red salmon) (Oncorhynchus nerka)), 0303.12 (salmonidae, excluding edible fish offal of subheadings 0303 91 to 0303 99, other Pacific salmon (Oncorhynchus gorbuscha, Oncorhynchus keta, Oncorhynchus tschawytscha, Oncorhynchus kisutch, Oncorhynchus masou and Oncorhynchus rhodurus)), 0303.13 (salmonidae, excluding edible fish offal of subheadings 0303 91 to 0303 99, atlantic salmon (Salmo salar) and Danube salmon (Hucho hucho)), 0303.14 (salmonidae, excluding edible fish offal of subheadings 0303 91 to 0303 99, trout (Salmo trutta, Oncorhynchus mykiss, Oncorhynchus clarki, Oncorhynchus aguabonita, Oncorhynchus gilae, Oncorhynchus apache and Oncorhynchus chrysogaster)), 0303.19 (salmonidae, excluding edible fish offal of subheadings 0303 91 to 0303 99, other), 0303.23 (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.), excluding edible fish offal of subheadings 0303 91 to 0303 99, tilapias (Oreochromis spp.)) and 38 others. National tariff lines under heading 03.03 are live on border.bot for the United States (86 lines, also used by 1 other country). Source: https://border.bot/hs-codes/0303 Last updated: 11 October 2026 [HS codes](https://border.bot/hs-codes) / [Chapter 03](https://border.bot/hs-codes/03) / [03.03](https://border.bot/hs-codes/0303) ## Key facts - Heading: 03.03 - Description: Fish, frozen, excluding fish fillets and other fish meat of heading 0304 - Chapter: 03: Fish and crustaceans, molluscs and other aquatic invertebrates - Subheadings: 44 - Edition: HS2022 ## What this code covers HS heading 03.03 covers fish, frozen, excluding fish fillets and other fish meat of heading 0304. It is split into 44 subheadings: 0303.11 (salmonidae, excluding edible fish offal of subheadings 0303 91 to 0303 99, sockeye salmon (red salmon) (Oncorhynchus nerka)), 0303.12 (salmonidae, excluding edible fish offal of subheadings 0303 91 to 0303 99, other Pacific salmon (Oncorhynchus gorbuscha, Oncorhynchus keta, Oncorhynchus tschawytscha, Oncorhynchus kisutch, Oncorhynchus masou and Oncorhynchus rhodurus)), 0303.13 (salmonidae, excluding edible fish offal of subheadings 0303 91 to 0303 99, atlantic salmon (Salmo salar) and Danube salmon (Hucho hucho)), 0303.14 (salmonidae, excluding edible fish offal of subheadings 0303 91 to 0303 99, trout (Salmo trutta, Oncorhynchus mykiss, Oncorhynchus clarki, Oncorhynchus aguabonita, Oncorhynchus gilae, Oncorhynchus apache and Oncorhynchus chrysogaster)), 0303.19 (salmonidae, excluding edible fish offal of subheadings 0303 91 to 0303 99, other), 0303.23 (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.), excluding edible fish offal of subheadings 0303 91 to 0303 99, tilapias (Oreochromis spp.)) and 38 others. - [0303.11](https://border.bot/hs-codes/030311) Salmonidae, excluding edible fish offal of subheadings 0303 91 to 0303 99: Sockeye salmon (red salmon) (Oncorhynchus nerka) - [0303.12](https://border.bot/hs-codes/030312) Salmonidae, excluding edible fish offal of subheadings 0303 91 to 0303 99: Other Pacific salmon (Oncorhynchus gorbuscha, Oncorhynchus keta, Oncorhynchus tschawytscha, Oncorhynchus kisutch, Oncorhynchus masou and Oncorhynchus rhodurus) - [0303.13](https://border.bot/hs-codes/030313) Salmonidae, excluding edible fish offal of subheadings 0303 91 to 0303 99: Atlantic salmon (Salmo salar) and Danube salmon (Hucho hucho) - [0303.14](https://border.bot/hs-codes/030314) Salmonidae, excluding edible fish offal of subheadings 0303 91 to 0303 99: Trout (Salmo trutta, Oncorhynchus mykiss, Oncorhynchus clarki, Oncorhynchus aguabonita, Oncorhynchus gilae, Oncorhynchus apache and Oncorhynchus chrysogaster) - [0303.19](https://border.bot/hs-codes/030319) Salmonidae, excluding edible fish offal of subheadings 0303 91 to 0303 99: Other - [0303.23](https://border.bot/hs-codes/030323) 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.), excluding edible fish offal of subheadings 0303 91 to 0303 99: Tilapias (Oreochromis spp.) - [0303.24](https://border.bot/hs-codes/030324) 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.), excluding edible fish offal of subheadings 0303 91 to 0303 99: Catfish (Pangasius spp., Silurus spp., Clarias spp., Ictalurus spp.) - [0303.25](https://border.bot/hs-codes/030325) 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.), excluding edible fish offal of subheadings 0303 91 to 0303 99: Carp (Cyprinus spp., Carassius spp., Ctenopharyngodon idellus, Hypophthalmichthys spp., Cirrhinus spp., Mylopharyngodon piceus, Catla catla, Labeo spp., Osteochilus hasselti, Leptobarbus hoeveni, Megalobrama spp.) - [0303.26](https://border.bot/hs-codes/030326) 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.), excluding edible fish offal of subheadings 0303 91 to 0303 99: Eels (Anguilla spp.) - [0303.29](https://border.bot/hs-codes/030329) 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.), excluding edible fish offal of subheadings 0303 91 to 0303 99: Other - [0303.31](https://border.bot/hs-codes/030331) Flat fish (Pleuronectidae, Bothidae, Cynoglossidae, Soleidae, Scophthalmidae and Citharidae), excluding edible fish offal of subheadings 0303 91 to 0303 99: Halibut (Reinhardtius hippoglossoides, Hippoglossus hippoglossus, Hippoglossus stenolepis) - [0303.32](https://border.bot/hs-codes/030332) Flat fish (Pleuronectidae, Bothidae, Cynoglossidae, Soleidae, Scophthalmidae and Citharidae), excluding edible fish offal of subheadings 0303 91 to 0303 99: Plaice (Pleuronectes platessa) - [0303.33](https://border.bot/hs-codes/030333) Flat fish (Pleuronectidae, Bothidae, Cynoglossidae, Soleidae, Scophthalmidae and Citharidae), excluding edible fish offal of subheadings 0303 91 to 0303 99: Sole (Solea spp.) - [0303.34](https://border.bot/hs-codes/030334) Flat fish (Pleuronectidae, Bothidae, Cynoglossidae, Soleidae, Scophthalmidae and Citharidae), excluding edible fish offal of subheadings 0303 91 to 0303 99: Turbots (Psetta maxima) - [0303.39](https://border.bot/hs-codes/030339) Flat fish (Pleuronectidae, Bothidae, Cynoglossidae, Soleidae, Scophthalmidae and Citharidae), excluding edible fish offal of subheadings 0303 91 to 0303 99: Other - [0303.41](https://border.bot/hs-codes/030341) Tunas (of the genus Thunnus), skipjack tuna (stripe-bellied bonito) (Katsuwonus pelamis), excluding edible fish offal of subheadings 0303 91 to 0303 99: Albacore or longfinned tunas (Thunnus alalunga) - [0303.42](https://border.bot/hs-codes/030342) Tunas (of the genus Thunnus), skipjack tuna (stripe-bellied bonito) (Katsuwonus pelamis), excluding edible fish offal of subheadings 0303 91 to 0303 99: Yellowfin tunas (Thunnus albacares) - [0303.43](https://border.bot/hs-codes/030343) Tunas (of the genus Thunnus), skipjack tuna (stripe-bellied bonito) (Katsuwonus pelamis), excluding edible fish offal of subheadings 0303 91 to 0303 99: Skipjack tuna (stripe-bellied bonito) (Katsuwonus pelamis) - [0303.44](https://border.bot/hs-codes/030344) Tunas (of the genus Thunnus), skipjack tuna (stripe-bellied bonito) (Katsuwonus pelamis), excluding edible fish offal of subheadings 0303 91 to 0303 99: Bigeye tunas (Thunnus obesus) - [0303.45](https://border.bot/hs-codes/030345) Tunas (of the genus Thunnus), skipjack tuna (stripe-bellied bonito) (Katsuwonus pelamis), excluding edible fish offal of subheadings 0303 91 to 0303 99: Atlantic and Pacific bluefin tunas (Thunnus thynnus, Thunnus orientalis) - [0303.46](https://border.bot/hs-codes/030346) Tunas (of the genus Thunnus), skipjack tuna (stripe-bellied bonito) (Katsuwonus pelamis), excluding edible fish offal of subheadings 0303 91 to 0303 99: Southern bluefin tunas (Thunnus maccoyii) - [0303.49](https://border.bot/hs-codes/030349) Tunas (of the genus Thunnus), skipjack tuna (stripe-bellied bonito) (Katsuwonus pelamis), excluding edible fish offal of subheadings 0303 91 to 0303 99: Other - [0303.51](https://border.bot/hs-codes/030351) Herrings (Clupea harengus, Clupea pallasii), anchovies (Engraulis spp.), sardines (Sardina pilchardus, Sardinops spp.), sardinella (Sardinella spp.), brisling or sprats (Sprattus sprattus), mackerel (Scomber scombrus, Scomber australasicus, Scomber japonicus), Indian mackerels (Rastrelliger spp.), seerfishes (Scomberomorus spp.), jack and horse mackerel (Trachurus spp.), jacks, crevalles (Caranx spp.), cobia (Rachycentron canadum), silver pomfrets (Pampus spp.), Pacific saury (Cololabis saira), scads (Decapterus spp.), capelin (Mallotus villosus), swordfish (Xiphias gladius), Kawakawa (Euthynnus affinis), bonitos (Sarda spp.), marlins, sailfishes, spearfish (Istiophoridae), excluding edible fish offal of subheadings 0303 91 to 0303 99: Herrings (Clupea harengus, Clupea pallasii) - [0303.53](https://border.bot/hs-codes/030353) Herrings (Clupea harengus, Clupea pallasii), anchovies (Engraulis spp.), sardines (Sardina pilchardus, Sardinops spp.), sardinella (Sardinella spp.), brisling or sprats (Sprattus sprattus), mackerel (Scomber scombrus, Scomber australasicus, Scomber japonicus), Indian mackerels (Rastrelliger spp.), seerfishes (Scomberomorus spp.), jack and horse mackerel (Trachurus spp.), jacks, crevalles (Caranx spp.), cobia (Rachycentron canadum), silver pomfrets (Pampus spp.), Pacific saury (Cololabis saira), scads (Decapterus spp.), capelin (Mallotus villosus), swordfish (Xiphias gladius), Kawakawa (Euthynnus affinis), bonitos (Sarda spp.), marlins, sailfishes, spearfish (Istiophoridae), excluding edible fish offal of subheadings 0303 91 to 0303 99: Sardines (Sardina pilchardus, Sardinops spp.), sardinella (Sardinella spp.), brisling or sprats (Sprattus sprattus) - [0303.54](https://border.bot/hs-codes/030354) Herrings (Clupea harengus, Clupea pallasii), anchovies (Engraulis spp.), sardines (Sardina pilchardus, Sardinops spp.), sardinella (Sardinella spp.), brisling or sprats (Sprattus sprattus), mackerel (Scomber scombrus, Scomber australasicus, Scomber japonicus), Indian mackerels (Rastrelliger spp.), seerfishes (Scomberomorus spp.), jack and horse mackerel (Trachurus spp.), jacks, crevalles (Caranx spp.), cobia (Rachycentron canadum), silver pomfrets (Pampus spp.), Pacific saury (Cololabis saira), scads (Decapterus spp.), capelin (Mallotus villosus), swordfish (Xiphias gladius), Kawakawa (Euthynnus affinis), bonitos (Sarda spp.), marlins, sailfishes, spearfish (Istiophoridae), excluding edible fish offal of subheadings 0303 91 to 0303 99: Mackerel (Scomber scombrus, Scomber australasicus, Scomber japonicus) - [0303.55](https://border.bot/hs-codes/030355) Herrings (Clupea harengus, Clupea pallasii), anchovies (Engraulis spp.), sardines (Sardina pilchardus, Sardinops spp.), sardinella (Sardinella spp.), brisling or sprats (Sprattus sprattus), mackerel (Scomber scombrus, Scomber australasicus, Scomber japonicus), Indian mackerels (Rastrelliger spp.), seerfishes (Scomberomorus spp.), jack and horse mackerel (Trachurus spp.), jacks, crevalles (Caranx spp.), cobia (Rachycentron canadum), silver pomfrets (Pampus spp.), Pacific saury (Cololabis saira), scads (Decapterus spp.), capelin (Mallotus villosus), swordfish (Xiphias gladius), Kawakawa (Euthynnus affinis), bonitos (Sarda spp.), marlins, sailfishes, spearfish (Istiophoridae), excluding edible fish offal of subheadings 0303 91 to 0303 99: Jack and horse mackerel (Trachurus spp.) - [0303.56](https://border.bot/hs-codes/030356) Herrings (Clupea harengus, Clupea pallasii), anchovies (Engraulis spp.), sardines (Sardina pilchardus, Sardinops spp.), sardinella (Sardinella spp.), brisling or sprats (Sprattus sprattus), mackerel (Scomber scombrus, Scomber australasicus, Scomber japonicus), Indian mackerels (Rastrelliger spp.), seerfishes (Scomberomorus spp.), jack and horse mackerel (Trachurus spp.), jacks, crevalles (Caranx spp.), cobia (Rachycentron canadum), silver pomfrets (Pampus spp.), Pacific saury (Cololabis saira), scads (Decapterus spp.), capelin (Mallotus villosus), swordfish (Xiphias gladius), Kawakawa (Euthynnus affinis), bonitos (Sarda spp.), marlins, sailfishes, spearfish (Istiophoridae), excluding edible fish offal of subheadings 0303 91 to 0303 99: Cobia (Rachycentron canadum) - [0303.57](https://border.bot/hs-codes/030357) Herrings (Clupea harengus, Clupea pallasii), anchovies (Engraulis spp.), sardines (Sardina pilchardus, Sardinops spp.), sardinella (Sardinella spp.), brisling or sprats (Sprattus sprattus), mackerel (Scomber scombrus, Scomber australasicus, Scomber japonicus), Indian mackerels (Rastrelliger spp.), seerfishes (Scomberomorus spp.), jack and horse mackerel (Trachurus spp.), jacks, crevalles (Caranx spp.), cobia (Rachycentron canadum), silver pomfrets (Pampus spp.), Pacific saury (Cololabis saira), scads (Decapterus spp.), capelin (Mallotus villosus), swordfish (Xiphias gladius), Kawakawa (Euthynnus affinis), bonitos (Sarda spp.), marlins, sailfishes, spearfish (Istiophoridae), excluding edible fish offal of subheadings 0303 91 to 0303 99: Swordfish (Xiphias gladius) - [0303.59](https://border.bot/hs-codes/030359) Herrings (Clupea harengus, Clupea pallasii), anchovies (Engraulis spp.), sardines (Sardina pilchardus, Sardinops spp.), sardinella (Sardinella spp.), brisling or sprats (Sprattus sprattus), mackerel (Scomber scombrus, Scomber australasicus, Scomber japonicus), Indian mackerels (Rastrelliger spp.), seerfishes (Scomberomorus spp.), jack and horse mackerel (Trachurus spp.), jacks, crevalles (Caranx spp.), cobia (Rachycentron canadum), silver pomfrets (Pampus spp.), Pacific saury (Cololabis saira), scads (Decapterus spp.), capelin (Mallotus villosus), swordfish (Xiphias gladius), Kawakawa (Euthynnus affinis), bonitos (Sarda spp.), marlins, sailfishes, spearfish (Istiophoridae), excluding edible fish offal of subheadings 0303 91 to 0303 99: Other - [0303.63](https://border.bot/hs-codes/030363) Fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae, Moridae and Muraenolepididae, excluding edible fish offal of subheadings 0303 91 to 0303 99: Cod (Gadus morhua, Gadus ogac, Gadus macrocephalus) - [0303.64](https://border.bot/hs-codes/030364) Fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae, Moridae and Muraenolepididae, excluding edible fish offal of subheadings 0303 91 to 0303 99: Haddock (Melanogrammus aeglefinus) - [0303.65](https://border.bot/hs-codes/030365) Fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae, Moridae and Muraenolepididae, excluding edible fish offal of subheadings 0303 91 to 0303 99: Coalfish (Pollachius virens) - [0303.66](https://border.bot/hs-codes/030366) Fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae, Moridae and Muraenolepididae, excluding edible fish offal of subheadings 0303 91 to 0303 99: Hake (Merluccius spp., Urophycis spp.) - [0303.67](https://border.bot/hs-codes/030367) Fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae, Moridae and Muraenolepididae, excluding edible fish offal of subheadings 0303 91 to 0303 99: Alaska Pollock (Theragra chalcogramma) - [0303.68](https://border.bot/hs-codes/030368) Fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae, Moridae and Muraenolepididae, excluding edible fish offal of subheadings 0303 91 to 0303 99: Blue whitings (Micromesistius poutassou, Micromesistius australis) - [0303.69](https://border.bot/hs-codes/030369) Fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae, Moridae and Muraenolepididae, excluding edible fish offal of subheadings 0303 91 to 0303 99: Other - [0303.81](https://border.bot/hs-codes/030381) Other fish, excluding edible fish offal of subheadings 0303 91 to 0303 99: Dogfish and other sharks - [0303.82](https://border.bot/hs-codes/030382) Other fish, excluding edible fish offal of subheadings 0303 91 to 0303 99: Rays and skates (Rajidae) - [0303.83](https://border.bot/hs-codes/030383) Other fish, excluding edible fish offal of subheadings 0303 91 to 0303 99: Toothfish (Dissostichus spp.) - [0303.84](https://border.bot/hs-codes/030384) Other fish, excluding edible fish offal of subheadings 0303 91 to 0303 99: Seabass (Dicentrarchus spp.) - [0303.89](https://border.bot/hs-codes/030389) Other fish, excluding edible fish offal of subheadings 0303 91 to 0303 99: Other - [0303.91](https://border.bot/hs-codes/030391) Livers, roes, milt, fish fins, heads, tails, maws and other edible fish offal: Livers, roes and milt - [0303.92](https://border.bot/hs-codes/030392) Livers, roes, milt, fish fins, heads, tails, maws and other edible fish offal: Shark fins - [0303.99](https://border.bot/hs-codes/030399) Livers, roes, milt, fish fins, heads, tails, maws and other edible fish offal: Other ## What it doesn’t cover Other goods of chapter 03 are classified in its other 8 headings, listed below. - [03.01](https://border.bot/hs-codes/0301) Live fish - [03.02](https://border.bot/hs-codes/0302) Fish, fresh or chilled, excluding fish fillets and other fish meat of heading 03.04 - [03.04](https://border.bot/hs-codes/0304) Fish fillets and other fish meat (whether or not minced), fresh, chilled or frozen - [03.05](https://border.bot/hs-codes/0305) Fish, dried, salted or in brine; smoked fish, whether or not cooked before or during the smoking process - [03.06](https://border.bot/hs-codes/0306) Crustaceans, whether in shell or not, live, fresh, chilled, frozen, dried, salted or in brine; smoked crustaceans, whether in shell or not, whether or not cooked before or during the smoking process; crustaceans, in shell, cooked by steaming or by boiling in water, whether or not chilled, frozen, dried, salted or in brine - [03.07](https://border.bot/hs-codes/0307) Molluscs, whether in shell or not, live, fresh, chilled, frozen, dried, salted or in brine; smoked molluscs, whether in shell or not, whether or not cooked before or during the smoking process - [03.08](https://border.bot/hs-codes/0308) Aquatic invertebrates other than crustaceans and molluscs, live, fresh, chilled, frozen, dried, salted or in brine; smoked aquatic invertebrates other than crustaceans and molluscs, whether or not cooked before or during the smoking process - [03.09](https://border.bot/hs-codes/0309) Flours, meals and pellets of fish, crustaceans, molluscs and other aquatic invertebrates, fit for human consumption ## How it is structured Heading 03.03 is one of 9 headings in chapter 03. Its first two digits, 03, are the chapter; the next two, 03, number the heading within it. Its subheadings add two more digits (0303.11, 0303.12, 0303.13). ## In other countries National tariff lines under heading 03.03 are live on border.bot for the United States (86 lines, also used by 1 other country). - [United States](https://border.bot/countries/united-states/hs-codes/03): 86 lines, used by 1 other country - Previous heading: [03.02](https://border.bot/hs-codes/0302) Fish, fresh or chilled, excluding fish fillets and other fish meat of heading 03.04 - Next heading: [03.04](https://border.bot/hs-codes/0304) Fish fillets and other fish meat (whether or not minced), fresh, chilled or frozen ## Frequently asked questions ### What does HS heading 03.03 cover? HS heading 03.03 covers fish, frozen, excluding fish fillets and other fish meat of heading 0304. ### Which chapter is HS heading 03.03 in? HS heading 03.03 is in chapter 03 (fish and crustaceans, molluscs and other aquatic invertebrates). ### How many subheadings does HS heading 03.03 have? HS heading 03.03 has 44 subheadings: 0303.11 (salmonidae, excluding edible fish offal of subheadings 0303 91 to 0303 99, sockeye salmon (red salmon) (Oncorhynchus nerka)), 0303.12 (salmonidae, excluding edible fish offal of subheadings 0303 91 to 0303 99, other Pacific salmon (Oncorhynchus gorbuscha, Oncorhynchus keta, Oncorhynchus tschawytscha, Oncorhynchus kisutch, Oncorhynchus masou and Oncorhynchus rhodurus)), 0303.13 (salmonidae, excluding edible fish offal of subheadings 0303 91 to 0303 99, atlantic salmon (Salmo salar) and Danube salmon (Hucho hucho)), 0303.14 (salmonidae, excluding edible fish offal of subheadings 0303 91 to 0303 99, trout (Salmo trutta, Oncorhynchus mykiss, Oncorhynchus clarki, Oncorhynchus aguabonita, Oncorhynchus gilae, Oncorhynchus apache and Oncorhynchus chrysogaster)), 0303.19 (salmonidae, excluding edible fish offal of subheadings 0303 91 to 0303 99, other), 0303.23 (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.), excluding edible fish offal of subheadings 0303 91 to 0303 99, tilapias (Oreochromis spp.)) and 38 others. ### Which countries’ tariffs list national lines under HS heading 03.03? National tariff lines under heading 03.03 are live on border.bot for the United States (86 lines, also used by 1 other country). ## Sources and updates The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026. This page was last updated on 11 October 2026. Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling. Machine-readable: https://border.bot/hs-codes/0303.json