Other

This code covers frozen fillets of flat fish like Greenland turbot, sole, flounder, halibut, and turbot. Use this code when importing these specific frozen fish fillets to determine duty treatment—generally free for standard trade partners—as defined within Chapter 3 of the Harmonized Tariff Schedule.

Detailed information for HTS Code 0304.83.50

Chapter 3 covers fish and other aquatic invertebrates, and this specific code, 0304.83.50, deals with frozen fillets of flat fish like halibut, sole, and flounder. This code further breaks down into more specific types of flat fish, identified by statistical suffixes like .10 for Greenland turbot, .15 for sole, or .90 for other flat fish not specifically listed. When reporting, choose the most accurate statistical suffix that corresponds to the exact type of frozen flat fish fillet being imported to ensure proper data categorization.

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.

General Duty

Free

Standard trade partners (NTR)

Special Duty

N/A

Eligible FTA or preference programs

The general duty rate for HTS code 0304.83.50 and all its subdivisions is free, applying to imports from standard trade partners (NTR). Special rates are not specified, but may be available for eligible FTA or preference programs; however, specific details on these reduced rates are not provided. Reporting units are in kilograms (kg) for both the main code and all subdivisions (0304.83.50.10 through 0304.83.50.90). This means that no general duties are assessed unless the import does not qualify for a special rate, and all quantities are reported in kilograms.

Rate of Duty (Column 2): 5.5¢/kg

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Code subdivisions

0304.83.50.10

Fish fillets and other fish meat (whether or not minced), fresh, chilled or frozen: > Frozen fillets of other fish: > Flat fish (Pleuronectidae, Bothidae, Cynoglossidae, Soleidae, Scophthalmidae, and Citharidae): > Other > Greenland turbot (Greenland halibut) (Reinhardtius hippoglossoides)

0304.83.50.15

Fish fillets and other fish meat (whether or not minced), fresh, chilled or frozen: > Frozen fillets of other fish: > Flat fish (Pleuronectidae, Bothidae, Cynoglossidae, Soleidae, Scophthalmidae, and Citharidae): > Other > Sole

0304.83.50.20

Fish fillets and other fish meat (whether or not minced), fresh, chilled or frozen: > Frozen fillets of other fish: > Flat fish (Pleuronectidae, Bothidae, Cynoglossidae, Soleidae, Scophthalmidae, and Citharidae): > Other > Flounder

Parent subheading for dairy herd replacements

0304.83.50.25

Fish fillets and other fish meat (whether or not minced), fresh, chilled or frozen: > Frozen fillets of other fish: > Flat fish (Pleuronectidae, Bothidae, Cynoglossidae, Soleidae, Scophthalmidae, and Citharidae): > Other > Other: > Halibut

0304.83.50.30

Fish fillets and other fish meat (whether or not minced), fresh, chilled or frozen: > Frozen fillets of other fish: > Flat fish (Pleuronectidae, Bothidae, Cynoglossidae, Soleidae, Scophthalmidae, and Citharidae): > Other > Other: > Turbot

0304.83.50.90

Fish fillets and other fish meat (whether or not minced), fresh, chilled or frozen: > Frozen fillets of other fish: > Flat fish (Pleuronectidae, Bothidae, Cynoglossidae, Soleidae, Scophthalmidae, and Citharidae): > Other > Other: > Other

View HTS reference

Chapter & section notes

Chapter notes

Harmonized Tariff Schedule of the United States Revision 29 (2025) Annotated for Statistical Reporting Purposes CHAPTER 3 FISH AND CRUSTACEANS, MOLLUSCS AND OTHER AQUATIC INVERTEBRATES I 3-1 Note 1. This chapter does not cover: (a) Mammals of heading 0106; (b) Meat of mammals of heading 0106 (heading 0208 or 0210); (c) Fish (including livers, roes and milt thereof) or crustaceans, molluscs or other aquatic invertebrates, dead and unfit or unsuitable for human consumption by reason of either their species or their condition (chapter 5); flours, meals or pellets of fish or of crustaceans, molluscs or other aquatic invertebrates, unfit for human consumption (heading 2301); or (d) Caviar or caviar substitutes prepared from fish eggs (heading 1604). 2. In this chapter the term "pellets" means products which have been agglomerated either directly by compression or by the addition of a small quantity of binder. 3. Headings 0305 to 0308 do not cover flours, meals and pellets, fit for human consumption (heading 0309). Additional U.S. Note 1. Certain fish, crustaceans, molluscs and other aquatic invertebrates are provided for in chapter 98. Statistical Note 1. Imports of shrimp or products of shrimp are subject to the provisions of section 609 of Public Law 101-162 of November 21, 1989 (16 U.S.C. 1537 note). Harmonized Tariff Schedule of the United States Revision 29 (2025) Annotated for Statistical Reporting Purposes I 3-2

Section notes

SECTION I LIVE ANIMALS; ANIMAL PRODUCTS I-1 Notes 1. Any reference in this section to a particular genus or species of an animal, except where the context otherwise requires, includes a reference to the young of that genus or species. 2. Except where the context otherwise requires, throughout the tariff schedule any reference to "dried" products also covers products which have been dehydrated, evaporated or freeze-dried. Harmonized Tariff Schedule of the United States Revision 29 (2025) Annotated for Statistical Reporting Purposes I-2 Harmonized Tariff Schedule of the United States Revision 29 (2025) Annotated for Statistical Reporting Purposes

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November 15, 2025

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