HS 030771 Clams, cockles and ark shells (families Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae and Veneridae)

Quick Answer: Clams, cockles, and ark shells imported under HS 030771 enter the UK at 10.00%, the EU at 11.00%, and the US duty-free. This Harmonized System code specifically covers live, fresh, chilled, frozen, salted, or dried clams, cockles, and ark shells belonging to a defined list of families. Importers should note that while US tariffs are currently duty-free, the UK and EU maintain significant ad valorem duties. CustomTariffs aggregates this data, highlighting the importance of verifying specific subheadings and origin for accurate duty assessment.

What Are the Import Duty Rates?

🇬🇧 United Kingdom

Code MFN Preferential Unit
0307710000 10.00 %
0307710010 10.00 %
0307710090 10.00 %

🇪🇺 European Union (TARIC)

Code MFN Preferential Unit
0307710000 11.00 %
0307710010 11.00 %
0307710090 11.00 %

🇺🇸 United States (HTSUS)

Code MFN Preferential Unit
0307710050 ["kg"]
0307710070 ["kg"]
03077100 Free
0307710090 ["kg"]

Duty rates sourced from the USITC (US International Trade Commission) Harmonized Tariff Schedule (HTS) (accessed 2/22/2026), EU TARIC – DG TAXUD (Directorate-General for Taxation and Customs Union) (accessed 2/22/2026), and UK Trade Tariff – HMRC (His Majesty's Revenue and Customs) (accessed 2/22/2026).

Data compiled and presented by HSRates.

How Has Trade Volume Developed?

How to Classify This HS Code?

```html

What products does HS 030771 cover?

This subheading covers live, fresh, or chilled clams, cockles, and ark shells belonging to the specific families listed in the Harmonized System nomenclature, including Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae, and Veneridae. According to the World Customs Organization (WCO) Explanatory Notes and official tariff databases like the USITC Harmonized Tariff Schedule (HTS) and the EU TARIC, this classification applies to these bivalve molluscs in their natural state, whether alive or preserved by refrigeration, excluding those that have undergone further processing such as cooking or drying.

What falls outside HS 030771?

The following products are excluded from HS 030771: molluscs that have been cooked, frozen, dried, salted, or otherwise preserved beyond simple refrigeration. For instance, frozen clams (HS 030779), prepared or preserved clams (e.g., canned clam chowder, HS 210500), or even live oysters (HS 030710) and mussels (HS 030781) would be classified under different headings. The key distinction is the state of preservation and any processing applied, as detailed in Chapter 03 notes and the WCO HS Nomenclature.

What are common classification mistakes for HS 030771?

A common error is misclassifying products that have undergone minimal processing, such as being packed in brine or a light solution, which might still be considered "fresh or chilled" under certain interpretations. Another mistake involves confusing the specific families of molluscs covered by this subheading with other bivalves not listed, or incorrectly classifying cooked or frozen products under this code. Adherence to General Interpretative Rule 1 (GIR 1) and the specific Chapter 3 notes is crucial to avoid misclassification.

How should importers classify products under HS 030771?

The correct procedure for classifying products under HS 030771 involves a thorough examination of the product's state and any processing it has undergone. Importers and customs brokers must consult the official tariff schedule of the importing country, such as the USITC HTS or the EU TARIC, and cross-reference with the WCO HS Explanatory Notes. Confirming that the specific species of clam, cockle, or ark shell belongs to one of the listed families and that the product is presented live, fresh, or chilled is paramount.

How is the duty calculated for products under HS 030771?

A shipment of 100 kilograms of fresh Manila clams (a species of clam falling under this category), declared at a customs value of $500 USD, would attract a US duty of $15.00. This is calculated using the Most Favored Nation (MFN) duty rate of 3.0% ad valorem applied to the declared customs value ($500 USD × 0.03 = $15.00), as published in the USITC Harmonized Tariff Schedule for HS 030771.

Which trade agreements reduce duties for HS 030771?

Several free trade agreements may reduce the applicable duty rate for HS 030771, including the United States-Mexico-Canada Agreement (USMCA), which can result in a duty rate of Free for qualifying goods originating from Canada and Mexico. Additionally, preferential rates may be available under various Generalized System of Preferences (GSP) schemes for developing countries. To claim these preferences, importers typically require a self-certified origin statement for USMCA or a GSP Form A for GSP beneficiaries, depending on the specific agreement and importing country's requirements.

```

Which HS Codes Are Related?

Not the right code? Search all HS codes to find the correct tariff classification.

FAQ

What are the import duty rates for HS code 030771 (Clams, cockles and ark shells)?

The import duty rates for HS code 030771 vary by importing country and trade agreement. For example, under the U.S. Harmonized Tariff Schedule (USHTS), the Most Favored Nation (MFN) rate is 0% ad valorem. However, preferential rates under trade agreements may differ. Importers should consult the specific tariff schedule of the destination country and any applicable trade agreements to determine the exact duty. The USITC provides detailed tariff information.

How is the import duty for HS 030771 calculated? Can you provide an example?

The duty for HS code 030771 is typically calculated on an ad valorem basis (a percentage of the value of the goods). For instance, if the MFN duty rate for clams (HS 030771) into the United States is 0%, and the declared customs value of a shipment is $10,000, the duty would be 0% of $10,000, which equals $0. If a hypothetical country had a 10% ad valorem duty on this HS code, the duty would be 0.10 * $10,000 = $1,000.

What specific types of shellfish are covered under HS code 030771?

HS code 030771 specifically covers 'Clams, cockles and ark shells' belonging to the families Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae and Veneridae. This includes a wide variety of bivalve mollusks, commonly known as clams, cockles, and ark shells. It's crucial to ensure the imported species fall within these specified families for correct classification.

Are there any specific documentation requirements for importing clams, cockles, and ark shells under HS 030771?

Yes, importing seafood under HS code 030771 typically requires specific documentation. This often includes a commercial invoice, packing list, bill of lading, and a certificate of origin. Additionally, health certificates or phytosanitary certificates issued by the competent authority of the exporting country are usually mandatory to ensure the seafood meets the importing country's food safety and health regulations. Customs brokers should verify the exact requirements with the destination country's food safety agency and customs authority.

How do trade agreements, such as USMCA or EU trade deals, affect the duty rates for HS 030771?

Trade agreements can significantly reduce or eliminate import duties for goods classified under HS 030771 if the goods originate from a country party to the agreement and meet the rules of origin. For example, if clams imported into the U.S. under HS 030771 originate from a country with a Free Trade Agreement (FTA) with the U.S. that grants preferential treatment, the duty rate could be Free, even if the standard MFN rate is higher. Importers must obtain a valid Certificate of Origin to claim preferential treatment under such agreements. Consult resources like the EU TARIC database or the UK Trade Tariff for specific preferential rates applicable to your trade routes.