Home HTS codes Chapter 03 0303 Chapter 03 · HTS release 2026HTSRev21
HTS 0303 Fish, frozen, excluding fish fillets and other fish meat of heading 0304Base rates and the additional US duties for imports from the main origins on entry date 2026-10-09, from the HTS Calculator duty engine.
Base rate (column 1 general) Free to 15% 6 lines with a specific or compound rate
Additional duty, main origins 0–37.5%*
Statistical lines 86
Entry date shown 2026-10-09 (dataset 1.0.0)
Additional duties for the main origins
Additional duties on 2026-10-09 Origin Additional duty Measures China 12.5– 37.5%Section 301 Mexico 0– 10%Section 301 Canada 0– 10%Section 301 Vietnam 12.5% Section 301 Germany 0– 10%*Section 301
Range of the Chapter 99 duties (percent of customs value) across the lines of this heading. A range means the result differs between lines or depends on facts about the goods; an asterisk marks lines whose duty also depends on a specific (per unit) base rate. Other origins (Japan, South Korea, Taiwan, India, United Kingdom and any other country): in the calculator and the API.
Chapter 99 headings on these lines 9903.05.29 Section 3019903.05.31 Section 3019903.05.38 Section 3019903.05.39 Section 3019903.05.55 Section 3019903.05.84 Section 3019903.05.93 Section 3019903.05.94 Section 3019903.88.03 Section 301
Every line, every origin, with citations
This page sums heading 0303 up. The duty for one line, origin and date comes from the duty engine:
Base rate plus each Chapter 99 line, in percent and in dollars Citations to the Federal Register, CBP and the USITC, with the quoted text The lines considered and not applied, and why Any origin, any entry date from 2025-01-01 to 2026-10-09 Get a free API key
10 free calculations a day without a key. With a free key: 250 duty stacks a month by API. Duty Stack docs .
Lines in this heading
The 86 statistical lines of heading 0303
Each code opens the free calculator for that line on 2026-10-09: base rate, every Chapter 99 line with its citations, and the duty in dollars.
0303.11.00.00 Salmonidae, excluding edible fish offal of subheadings 0303.91 to 0303.99 › Sockeye salmon (red salmon)… 0303.12.00.12 … › Other Pacific salmon (Oncorhynchus gorbuscha, Oncorhynchus keta, Oncorhynchus tschawytscha, Oncorhynchus… 0303.12.00.22 … › Other Pacific salmon (Oncorhynchus gorbuscha, Oncorhynchus keta, Oncorhynchus tschawytscha, Oncorhynchus… 0303.12.00.32 … › Other Pacific salmon (Oncorhynchus gorbuscha, Oncorhynchus keta, Oncorhynchus tschawytscha, Oncorhynchus… 0303.12.00.52 … › Other Pacific salmon (Oncorhynchus gorbuscha, Oncorhynchus keta, Oncorhynchus tschawytscha, Oncorhynchus… 0303.12.00.62 … › Other Pacific salmon (Oncorhynchus gorbuscha, Oncorhynchus keta, Oncorhynchus tschawytscha, Oncorhynchus… 0303.13.00.00 Salmonidae, excluding edible fish offal of subheadings 0303.91 to 0303.99 › Atlantic salmon (Salmo salar) and… 0303.14.00.00 Salmonidae, excluding edible fish offal of subheadings 0303.91 to 0303.99 › Trout (Salmo trutta, Oncorhynchus… 0303.19.01.00 Salmonidae, excluding edible fish offal of subheadings 0303.91 to 0303.99 › Other 0303.23.00.00 Tilapias(Oreochromis spp.), catfish (Pangasius spp., Silurus spp., Clarias spp.,Ictalurus spp.), carp… 0303.24.00.10 … › Catfish (Pangasius spp., Silurus spp., Clarias spp., Ictalurus spp.) › Ictalurus spp. 0303.24.00.20 … › Catfish (Pangasius spp., Silurus spp., Clarias spp., Ictalurus spp.) › Pangasius spp. including basa and… 0303.24.00.50 … › Catfish (Pangasius spp., Silurus spp., Clarias spp., Ictalurus spp.) › Other 0303.25.01.00 Tilapias(Oreochromis spp.), catfish (Pangasius spp., Silurus spp., Clarias spp.,Ictalurus spp.), carp… 0303.26.00.00 Tilapias(Oreochromis spp.), catfish (Pangasius spp., Silurus spp., Clarias spp.,Ictalurus spp.), carp… 0303.29.01.10 … › Other › Nile perch 0303.29.01.50 … › Other › Other 0303.31.00.10 … › Halibut and Greenland turbot (Reinhardtius hippoglossoides, Hippoglossus hippoglossus, Hippoglossus… 0303.31.00.20 … › Halibut and Greenland turbot (Reinhardtius hippoglossoides, Hippoglossus hippoglossus, Hippoglossus… 0303.31.00.30 … › Halibut and Greenland turbot (Reinhardtius hippoglossoides, Hippoglossus hippoglossus, Hippoglossus… 0303.32.00.00 Flat fish (Pleuronectidae, Bothidae, Cynoglossidae, Soleidae, Scophthalmidae and Citharidae), excluding… 0303.33.00.00 Flat fish (Pleuronectidae, Bothidae, Cynoglossidae, Soleidae, Scophthalmidae and Citharidae), excluding… 0303.34.00.00 Flat fish (Pleuronectidae, Bothidae, Cynoglossidae, Soleidae, Scophthalmidae and Citharidae), excluding… 0303.39.01.10 … › Other › Flounder 0303.39.01.20 … › Other › Rock sole (Pleuronectes bilineatus) 0303.39.01.30 … › Other › Yellowfin sole (Pleuronectes asper) 0303.39.01.95 … › Other › Other 0303.41.00.00 Tunas (of the genus Thunnus), skipjack tuna (stripe-bellied bonito) (Katsuwonus pelamis), excluding edible… 0303.42.00.20 … › Yellowfin tunas (Thunnus albacares) › Whole fish 0303.42.00.40 … › Other › Head-on 0303.42.00.60 … › Other › Other 0303.43.00.00 Tunas (of the genus Thunnus), skipjack tuna (stripe-bellied bonito) (Katsuwonus pelamis), excluding edible… 0303.44.00.00 Tunas (of the genus Thunnus), skipjack tuna (stripe-bellied bonito) (Katsuwonus pelamis), excluding edible… 0303.45.01.10 … › Atlantic and Pacific bluefin tunas (Thunnus thynnus, Thunnus orientalis) › Thunnus thynnus 0303.45.01.50 … › Atlantic and Pacific bluefin tunas (Thunnus thynnus, Thunnus orientalis) › Thunnus orientalis 0303.46.00.00 Tunas (of the genus Thunnus), skipjack tuna (stripe-bellied bonito) (Katsuwonus pelamis), excluding edible… 0303.49.02.00 Tunas (of the genus Thunnus), skipjack tuna (stripe-bellied bonito) (Katsuwonus pelamis), excluding edible… 0303.51.00.00 Herrings (Clupea harengus, Clupea pallasii), anchovies (Engraulis spp.), sardines (Sardina pilchardus,… 0303.53.00.00 Herrings (Clupea harengus, Clupea pallasii), anchovies (Engraulis spp.), sardines (Sardina pilchardus,… 0303.54.00.00 Herrings (Clupea harengus, Clupea pallasii), anchovies (Engraulis spp.), sardines (Sardina pilchardus,… 0303.55.00.00 Herrings (Clupea harengus, Clupea pallasii), anchovies (Engraulis spp.), sardines (Sardina pilchardus,… 0303.56.00.00 Herrings (Clupea harengus, Clupea pallasii), anchovies (Engraulis spp.), sardines (Sardina pilchardus,… 0303.57.00.10 … › Swordfish (Xiphias gladius) › Steaks 0303.57.00.90 … › Swordfish (Xiphias gladius) › Other 0303.59.00.00 Herrings (Clupea harengus, Clupea pallasii), anchovies (Engraulis spp.), sardines (Sardina pilchardus,… 0303.63.00.10 … › Cod (Gadus morhua, Gadus ogac, Gadus macrocephalus) › Atlantic 0303.63.00.90 … › Cod (Gadus morhua, Gadus ogac, Gadus macrocephalus) › Other 0303.64.00.00 Fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae,… 0303.65.00.00 Fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae,… 0303.66.00.00 Fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae,… 0303.67.00.00 Fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae,… 0303.68.00.00 Fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae,… 0303.69.00.00 Fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae,… 0303.81.00.11 … › Dogfish and other sharks › Dogfish (Squalus spp.) 0303.81.00.91 … › Dogfish and other sharks › Other 0303.82.00.00 Other fish, excluding edible fish offal of subheadings 0303.91 to 0303.99 › Rays and skates (Rajidae) 0303.83.00.00 Other fish, excluding edible fish offal of subheadings 0303.91 to 0303.99 › Toothfish (Dissostichus spp.) 0303.84.00.00 Other fish, excluding edible fish offal of subheadings 0303.91 to 0303.99 › Sea Bass (Dicentrachus spp.) 0303.89.00.01 … › Smelts › Sea smelts 0303.89.00.04 … › Smelts › Other smelts 0303.89.00.10 … › Other › Cusk 0303.89.00.13 … › Other › Shad and sturgeon 0303.89.00.28 … › Fresh-water fish › Pike and pickerel 0303.89.00.31 … › Fresh-water fish › Perch and pike perch (including yellow pike) 0303.89.00.34 … › Fresh-water fish › Sauger 0303.89.00.37 … › Fresh-water fish › Whitefish 0303.89.00.40 … › Fresh-water fish › Tilapias, other than Oreochromis spp. 0303.89.00.43 … › Fresh-water fish › Other 0303.89.00.46 … › Other › Atka mackerel (Atkafish) (Pleurogrammus monopterygius) 0303.89.00.49 … › Other › Mullet 0303.89.00.52 … › Other › Monkfish (Lophius spp.) 0303.89.00.55 … › Other › Butterfish 0303.89.00.58 … › Other › Capelin 0303.89.00.61 … › Other › Sable fish (Anoplopoma fimbria) 0303.89.00.64 … › Other › Ocean perch 0303.89.00.67 … › Other › Snapper (Lutjanidae spp.) 0303.89.00.70 … › Other › Grouper 0303.89.00.80 … › Other › Other 0303.91.20.00 … › Livers, roes and milt › Sturgeon roe 0303.91.40.20 … › Other › Herring roe 0303.91.40.40 … › Other › Salmon roe 0303.91.40.50 … › Other › Alaska pollock (Theragra chalcogramma) roe 0303.91.40.60 … › Other › Mullet roe 0303.91.40.95 … › Other › Other 0303.92.00.00 Livers, roes, milt, fish fins, heads, tails, maws and other edible fish offal › Shark fins 0303.99.00.00 Livers, roes, milt, fish fins, heads, tails, maws and other edible fish offal › Other Recent changes
Between 2025-10-09 and 2026-10-09: the Chapter 99 headings applied changed for all 5 main origins. Dated changes, with their sources: the change list and the Tariff Change Feed .
Scope We do not classify goods. These pages show reference rates for HTS codes. Choosing the code for an entry is the importer's responsibility, and entries are filed by the importer of record or a licensed customs broker. Duties shown are calculations from public sources, not legal advice.