HS-2 · Chapter 03
HS chapter 03: Fish and crustaceans
Section I — live animals; animal products
Chapter 03 of the Harmonized System encompasses a diverse range of products from aquatic environments, specifically focusing on fish, crustaceans, molluscs, and other aquatic invertebrates. This chapter is crucial for importers and exporters dealing with seafood and related products, as it provides a structured classification system that helps identify the appropriate codes for customs and trade documentation.
The chapter is organized into nine HS-4 headings, each detailing specific types of aquatic products. For instance, HS-0301 covers live fish, while HS-0302 and HS-0303 focus on fresh or chilled and frozen fish, respectively. This organization allows traders to drill down to the HS-6 level, which further specifies the product type, ensuring accurate classification for international trade.
When determining the correct code for your products, it is essential to consider the specific characteristics of the goods you are importing or exporting. For example, if you are dealing with fish fillets, you would refer to HS-0304, while crustaceans fall under HS-0306. Understanding these distinctions can help avoid misclassification and potential customs issues.
For those new to the Harmonized System or unsure about the classification, consulting with a customs broker or trade expert can provide clarity. They can assist in navigating the complexities of the HS codes and ensure compliance with national regulations.
Terms & reference phrasing
These phrases describe how this chapter is discussed in trade, customs, and search—they stay on this page for context; they are not search shortcuts.
fish classification · crustaceans HS code · molluscs import export · aquatic invertebrates trade · Harmonized System Chapter 03 · fresh fish customs code · frozen seafood classification · dried fish export · HS-0301 live fish · HS-0304 fish fillets · smoked seafood regulations · seafood import requirements · customs broker seafood · HS-0306 crustaceans · HS-0309 fish meal · aquatic products trade · seafood industry classification
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Related topics
Longer phrases that come up when you're comparing codes or talking to a broker.
- how to classify fish and seafood for customs
- understanding HS codes for aquatic products
- importing live fish regulations and codes
- exporting frozen seafood and customs requirements
- classifying smoked fish under the Harmonized System
- difference between fresh and frozen fish HS codes
- how to determine the correct HS-6 code for crustaceans
- requirements for importing molluscs and aquatic invertebrates
Examples & common questions
Example products are typical trade descriptions. Questions below are how people often frame classification for this chapter—use them as reading context, then confirm against your tariff book and legal notes.
Example products
- Live fish for aquaculture (HS-0301)
- Fresh salmon fillets (HS-0304)
- Frozen shrimp (HS-0306)
- Dried cod (HS-0305)
- Smoked oysters (HS-0307)
- Fish meal for animal feed (HS-0309)
- Chilled crab (HS-0306)
- Frozen squid (HS-0308)
Common classification questions
- What is the HS code for live fish?
- How do I classify frozen shrimp for export?
- What are the customs requirements for importing fish fillets?
- Can I use HS-0304 for smoked fish?
- What is the difference between HS-0306 and HS-0307?
- How do I find the correct HS-6 code for molluscs?
- What are the regulations for exporting dried fish?
- Do I need a broker for seafood imports?
Questions & answers
For orientation only—the binding text is your national tariff and the WCO nomenclature your country uses.
- What types of fish are classified under HS-0302?
- HS-0302 covers fresh or chilled fish, excluding fish fillets and other fish meat of heading 0304.
- How do I classify smoked fish?
- Smoked fish can fall under HS-0305 if dried or salted, or HS-0304 if it is a fillet or other fish meat.
- What is the significance of HS-0306?
- HS-0306 includes all types of crustaceans, whether live, fresh, frozen, or processed, making it essential for seafood traders.
- Can I export aquatic invertebrates without a specific HS code?
- No, you must classify aquatic invertebrates under HS-0308 or another relevant heading to comply with customs regulations.
- What are the penalties for misclassifying seafood products?
- Misclassification can lead to fines, delays, and potential seizure of goods, so accurate classification is crucial.
- Is a customs broker necessary for seafood imports?
- While not mandatory, a customs broker can help navigate complex regulations and ensure compliance with all requirements.
- How do I find the national digits for my HS code?
- National digits can be found in your country's tariff schedule or by consulting a customs authority or broker.
All HS-4 headings in chapter 03 (9)
Each HS-4 links to a dedicated page with plain-English explanation, HS-6 subheadings, and FAQs. Use Browse to open the lookup in heading mode for that line.
| HS-4 | WCO heading text | Browse |
|---|---|---|
| 0301 | Fish; live | |
| 0302 | Fish; fresh or chilled, excluding fish fillets and other fish meat of heading 0304 | |
| 0303 | Fish; frozen, excluding fish fillets and other fish meat of heading 0304 | |
| 0304 | Fish fillets and other fish meat (whether or not minced); fresh, chilled or frozen | |
| 0305 | Fish, dried, salted or in brine; smoked fish, whether or not cooked before, or during the smoking process | |
| 0306 | Crustaceans; in shell or not, live, fresh, chilled, frozen, dried, salted or in brine; smoked, cooked or not before or during smoking; in shell, steamed or boiled, whether or not chilled, frozen, dried, salted or in brine | |
| 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 | |
| 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 | |
| 0309 | Flours, meals and pellets of fish, crustaceans, molluscs and other aquatic invertebrates, fit for human consumption |
Browse first heading (HS-4 0301)
Opens the lookup in heading browse for the first HS-4 block in this chapter (0301). Prefer the table above for a specific HS-4 page with full copy.
Before you file customs documents
Chapter pages on TradeTools are educational summaries, not legal classification determinations. Cross-check candidate codes with official notes, advance rulings where available, and your broker for high-value or borderline goods.
How we classify products explains what TradeTools does (and does not) automate.