HS Heading 0303 : Fish, frozen, excluding fish fillets and other fish meat of heading 0304
HEADING DEFINITION & DISAMBIGUATION
HS Heading 0303 encompasses fish, frozen, excluding fish fillets and other fish meat of heading 0304. It classifies 44 6-digit WCO subheadings within Chapter 03 under the Harmonized System [USITC HTS 2026].
Subheadings Under Heading 0303
| HS Code | WCO 6-Digit Subheading Description | Chapter | Operational Package |
|---|---|---|---|
| 0303.11 | Salmonidae, excluding edible fish offal of subheadings 0303.91 to 0303.99, Sockeye salmon (red salmon) (Oncorhynchus nerka) | 03 | View 0303.11 Package → |
| 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) | 03 | View 0303.12 Package → |
| 0303.13 | Salmonidae, excluding edible fish offal of subheadings 0303.91 to 0303.99, Atlantic salmon (Salmo salar) and Danube salmon (Hucho hucho) | 03 | View 0303.13 Package → |
| 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) | 03 | View 0303.14 Package → |
| 0303.19 | Salmonidae, excluding edible fish offal of subheadings 0303.91 to 0303.99, Other | 03 | View 0303.19 Package → |
| 0303.23 | Tilapias(Oreochromis spp.), catfish (Pangasius spp., Silurus spp., Clarias spp.,Ictalurus spp.), carp (Cyprinus spp., Carassius spp., Ctenopharyngodonidellus, Hypophthalmichthys spp.,Cirrhinus spp., Mylopharyngodon piceus, Catlacatla, Labeo spp., Osteochilus hasselti, Leptobarbus hoeveni, Megalobrama spp.), eels (Anguilla spp.), Nile perch (Lates niloticus) and snakeheads (Channa spp.), excluding edible fishoffal of subheadings 0303.91 to 0303.99, Tilapias (Oreochromis spp.) | 03 | View 0303.23 Package → |
| 0303.24 | Tilapias(Oreochromis spp.), catfish (Pangasius spp., Silurus spp., Clarias spp.,Ictalurus spp.), carp (Cyprinus spp., Carassius spp., Ctenopharyngodonidellus, Hypophthalmichthys spp.,Cirrhinus spp., Mylopharyngodon piceus, Catlacatla, Labeo spp., Osteochilus hasselti, Leptobarbus hoeveni, Megalobrama spp.), eels (Anguilla spp.), Nile perch (Lates niloticus) and snakeheads (Channa spp.), excluding edible fishoffal of subheadings 0303.91 to 0303.99, Catfish (Pangasius spp., Silurus spp., Clarias spp., Ictalurus spp.) | 03 | View 0303.24 Package → |
| 0303.25 | Tilapias(Oreochromis spp.), catfish (Pangasius spp., Silurus spp., Clarias spp.,Ictalurus spp.), carp (Cyprinus spp., Carassius spp., Ctenopharyngodonidellus, Hypophthalmichthys spp.,Cirrhinus spp., Mylopharyngodon piceus, Catlacatla, Labeo spp., Osteochilus hasselti, Leptobarbus hoeveni, Megalobrama spp.), eels (Anguilla spp.), Nile perch (Lates niloticus) and snakeheads (Channa spp.), excluding edible fishoffal 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.) | 03 | View 0303.25 Package → |
| 0303.26 | Tilapias(Oreochromis spp.), catfish (Pangasius spp., Silurus spp., Clarias spp.,Ictalurus spp.), carp (Cyprinus spp., Carassius spp., Ctenopharyngodonidellus, Hypophthalmichthys spp.,Cirrhinus spp., Mylopharyngodon piceus, Catlacatla, Labeo spp., Osteochilus hasselti, Leptobarbus hoeveni, Megalobrama spp.), eels (Anguilla spp.), Nile perch (Lates niloticus) and snakeheads (Channa spp.), excluding edible fishoffal of subheadings 0303.91 to 0303.99, Eels (Anguilla spp.) | 03 | View 0303.26 Package → |
| 0303.29 | Tilapias(Oreochromis spp.), catfish (Pangasius spp., Silurus spp., Clarias spp.,Ictalurus spp.), carp (Cyprinus spp., Carassius spp., Ctenopharyngodonidellus, Hypophthalmichthys spp.,Cirrhinus spp., Mylopharyngodon piceus, Catlacatla, Labeo spp., Osteochilus hasselti, Leptobarbus hoeveni, Megalobrama spp.), eels (Anguilla spp.), Nile perch (Lates niloticus) and snakeheads (Channa spp.), excluding edible fishoffal of subheadings 0303.91 to 0303.99, Other | 03 | View 0303.29 Package → |
| 0303.31 | Flat fish (Pleuronectidae, Bothidae, Cynoglossidae, Soleidae, Scophthalmidae and Citharidae), excluding edible fish offal of subheadings 0303.91 to 0303.99, Halibut and Greenland turbot (Reinhardtius hippoglossoides, Hippoglossus hippoglossus, Hippoglossus stenolepis) | 03 | View 0303.31 Package → |
| 0303.32 | Flat fish (Pleuronectidae, Bothidae, Cynoglossidae, Soleidae, Scophthalmidae and Citharidae), excluding edible fish offal of subheadings 0303.91 to 0303.99, Plaice (Pleuronectes platessa) | 03 | View 0303.32 Package → |
| 0303.33 | Flat fish (Pleuronectidae, Bothidae, Cynoglossidae, Soleidae, Scophthalmidae and Citharidae), excluding edible fish offal of subheadings 0303.91 to 0303.99, Sole (Solea spp.) | 03 | View 0303.33 Package → |
| 0303.34 | Flat fish (Pleuronectidae, Bothidae, Cynoglossidae, Soleidae, Scophthalmidae and Citharidae), excluding edible fish offal of subheadings 0303.91 to 0303.99, Turbots (Psetta maxima) | 03 | View 0303.34 Package → |
| 0303.39 | Flat fish (Pleuronectidae, Bothidae, Cynoglossidae, Soleidae, Scophthalmidae and Citharidae), excluding edible fish offal of subheadings 0303.91 to 0303.99, Other | 03 | View 0303.39 Package → |
| 0303.41 | 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) | 03 | View 0303.41 Package → |
| 0303.42 | 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) | 03 | View 0303.42 Package → |
| 0303.43 | 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) | 03 | View 0303.43 Package → |
| 0303.44 | 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) | 03 | View 0303.44 Package → |
| 0303.45 | 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) | 03 | View 0303.45 Package → |
| 0303.46 | 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) | 03 | View 0303.46 Package → |
| 0303.49 | Tunas (of the genus Thunnus), skipjack tuna (stripe-bellied bonito) (Katsuwonus pelamis), excluding edible fish offal of subheadings 0303.91 to 0303.99, Other | 03 | View 0303.49 Package → |
| 0303.51 | 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) | 03 | View 0303.51 Package → |
| 0303.53 | 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) | 03 | View 0303.53 Package → |
| 0303.54 | 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) | 03 | View 0303.54 Package → |
| 0303.55 | 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.) | 03 | View 0303.55 Package → |
| 0303.56 | 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) | 03 | View 0303.56 Package → |
| 0303.57 | 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) | 03 | View 0303.57 Package → |
| 0303.59 | 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 | 03 | View 0303.59 Package → |
| 0303.63 | 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) | 03 | View 0303.63 Package → |
| 0303.64 | 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) | 03 | View 0303.64 Package → |
| 0303.65 | 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) | 03 | View 0303.65 Package → |
| 0303.66 | 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.) | 03 | View 0303.66 Package → |
| 0303.67 | 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) | 03 | View 0303.67 Package → |
| 0303.68 | 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) | 03 | View 0303.68 Package → |
| 0303.69 | 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 | 03 | View 0303.69 Package → |
| 0303.81 | Other fish, excluding edible fish offal of subheadings 0303.91 to 0303.99, Dogfish and other sharks | 03 | View 0303.81 Package → |
| 0303.82 | Other fish, excluding edible fish offal of subheadings 0303.91 to 0303.99, Rays and skates (Rajidae) | 03 | View 0303.82 Package → |
| 0303.83 | Other fish, excluding edible fish offal of subheadings 0303.91 to 0303.99, Toothfish (Dissostichus spp.) | 03 | View 0303.83 Package → |
| 0303.84 | Other fish, excluding edible fish offal of subheadings 0303.91 to 0303.99, Sea Bass (Dicentrachus spp.) | 03 | View 0303.84 Package → |
| 0303.89 | Other fish, excluding edible fish offal of subheadings 0303.91 to 0303.99, Other | 03 | View 0303.89 Package → |
| 0303.91 | Livers, roes, milt, fish fins, heads, tails, maws and other edible fish offal, Livers, roes and milt | 03 | View 0303.91 Package → |
| 0303.92 | Livers, roes, milt, fish fins, heads, tails, maws and other edible fish offal, Shark fins | 03 | View 0303.92 Package → |
| 0303.99 | Livers, roes, milt, fish fins, heads, tails, maws and other edible fish offal, Other | 03 | View 0303.99 Package → |
DISAMBIGUATION & CLASSIFICATION GUIDE
How to Select the Correct Subheading Under Heading 0303
Commercial shipments must be declared under the exact 6-digit WCO subheading that matches physical, chemical, or processing characteristics. Review the subheading descriptions above and verify against binding CBP CROSS rulings prior to entry filing.
Official Primary Sources & Authority References
USITC HTS Heading 0303 ↗
United States International Trade Commission official Harmonized Tariff Schedule.
CBP CROSS Rulings ↗
CBP e-Rulings database for Heading 0303 precedent rulings.
WCO Nomenclature ↗
World Customs Organization Harmonized System 2022 nomenclature standard.
U.S. Census Foreign Trade ↗
U.S. Census Bureau HTS-to-NAICS concordance and Schedule B export database.
Heading 0303 Frequently Asked Questions (FAQ)
What commercial articles are grouped under HS Heading 0303?
HS Heading 0303 covers Fish, frozen, excluding fish fillets and other fish meat of heading 0304, grouping 44 6-digit WCO subheadings.
How are 6-digit subheadings structured under Heading 0303?
Subheadings under Heading 0303 range from 0303.11 to 0303.90, classifying goods by processing state, origin, or material composition.
What is the representative US import duty rate for Heading 0303?
US MFN general duty rates for Heading 0303 commodities range from Duty-Free up to representative ad valorem percentages under the 2026 US HTS.
Are Section 301 tariffs applicable to goods under Heading 0303?
Section 301 additional tariffs depend on the specific 8-digit or 10-digit US HTS code and country of origin (e.g. China Lists 1–4A).
What PGA message set flags apply to Heading 0303?
Partner Government Agency flags (FDA, USDA APHIS, EPA) apply depending on the specific commodity sub-classification.
How do I distinguish between subheadings under Heading 0303?
Review WCO subheading terms and candidate descriptions. For example, unroasted vs. roasted or decaffeinated vs. non-decaffeinated.
Can goods under Heading 0303 enter duty-free under USMCA?
Yes. Goods originating in USMCA territories (US, Mexico, Canada) enter duty-free under SPI code P with a valid Certificate of Origin.
What is the Section 321 de minimis limit for Heading 0303?
Eligible import shipments valued at $800 USD or less imported by one person on one day enter duty-free under 19 U.S.C. 1321.
What documents are required for formal customs entry of Heading 0303?
Commercial Invoice, Packing List, Bill of Lading, and CBP Form 7501 are mandatory for entries exceeding $2,500 USD.
How can an importer get a binding CBP classification ruling for Heading 0303?
Importers may apply for a binding ruling via CBP National Commodity Specialist Division under 19 CFR Part 177.