0303.31.00
Halibut and Greenland turbot (Reinhardtius hippoglossoides, Hippoglossus hippoglossus, Hippoglossus stenolepis)
This code covers frozen halibut and Greenland turbot, including Atlantic, Pacific, and Greenland varieties. Use this code when importing these specific frozen fish, as the duty is generally free for standard trade partners, and it falls within the broader category of fish and aquatic invertebrates.

Detailed information for HTS Code 0303.31.00
This section of the Harmonized Tariff Schedule covers live, fresh, chilled, frozen, or preserved fish and aquatic invertebrates, specifically focusing on flat fish like halibut and Greenland turbot identified by code 0303.31.00. This code includes frozen halibut and Greenland turbot, excluding fillets or other fish meat detailed elsewhere, and is further broken down by specific species: Atlantic halibut (0303.31.00.10), Pacific halibut (0303.31.00.20), and Greenland turbot/Greenland halibut (0303.31.00.30). When reporting, select the appropriate statistical suffix based on the *specific* species of halibut or turbot being imported to ensure accurate data collection.
| Chapter | Chapter 3 - Fish and crustaceans, molluscs and other aquatic invertebrates |
| Section | Section I - Live Animals; Animal Products |
Duty snapshot
Quick reference for the duty outcomes tied to this HTS line.
Free
Standard trade partners (NTR)
N/A
Eligible FTA or preference programs
The general duty rate for HTS code 0303.31.00 and all its subdivisions (0303.31.00.10, 0303.31.00.20, and 0303.31.00.30) is free, applying to standard trade partners (NTR). Special rates are not specified, but may be available for eligible FTA or preference programs. All imports are reported in kilograms (kg). This means that shipments meeting the origin requirements for any applicable free trade agreement may qualify for a reduced or zero duty rate, while those from non-preference countries will generally enter duty-free under the standard NTR rate.
Rate of Duty (Column 2): 4.4¢/kg
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Code subdivisions
0303.31.00.10
Fish, frozen, excluding fish fillets and other fish meat of heading 0304: > 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) > Atlantic halibut (Hippoglossus hippoglossus)
0303.31.00.20
Fish, frozen, excluding fish fillets and other fish meat of heading 0304: > 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) > Pacific halibut (Hippoglossus stenolepis)
0303.31.00.30
Fish, frozen, excluding fish fillets and other fish meat of heading 0304: > 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) > Greenland turbot (Greenland halibut) (Reinhardtius hippoglossoides)
Chapter & section notes
Chapter notes
Section notes
Latest update
Last updated
November 15, 2025
Revised every January & July
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