HS 121221 Seaweeds and other algae
Quick Answer: Seaweeds and other algae imported under HS 121221 enter the UK at 0.00%, the EU at 0.00%, and the US duty-free under the MFN rate. This HS code encompasses a broad range of aquatic plants, including edible seaweeds like nori and kelp, as well as algae used for industrial purposes such as agar-agar and carrageenan. Trade considerations may include specific import requirements related to food safety and origin, particularly for edible varieties. CustomTariffs aggregates this data, providing a clear overview for international trade professionals.
What Are the Import Duty Rates?
🇬🇧 United Kingdom
| Code | MFN | Preferential | Unit |
|---|---|---|---|
| 1212210000 | 0.00 % | — | — |
🇪🇺 European Union (TARIC)
| Code | MFN | Preferential | Unit |
|---|---|---|---|
| 1212210000 | 0.00 % | — | — |
🇺🇸 United States (HTSUS)
| Code | MFN | Preferential | Unit |
|---|---|---|---|
| 1212210000 | Free | — | ["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?
What products does HS 121221 cover?
This subheading covers seaweeds and other algae, whether fresh, chilled, frozen, dried, or even salted or in brine, but not otherwise prepared or preserved. According to the World Customs Organization's Harmonized System Nomenclature, this category is specifically for algae intended for human consumption or for industrial uses, excluding those that have undergone significant processing. The USITC Harmonized Tariff Schedule (HTS) and the EU's TARIC database confirm this scope, focusing on the raw or minimally processed forms of marine flora.
What falls outside HS 121221?
The following products are excluded from HS 121221: seaweeds and algae that have been cooked, roasted, or otherwise prepared or preserved in a manner that alters their original state, such as in cans, jars, or as ingredients in complex food preparations. For instance, seaweed snacks that are seasoned and roasted, or algae-based supplements in capsule form, would be classified under different headings, typically in Chapter 21 (Miscellaneous edible preparations) or Chapter 29 (Organic chemicals) depending on the specific product and its presentation.
What are common classification mistakes for HS 121221?
A common error is misclassifying processed algae products. For example, dried and powdered kelp intended for use as a dietary supplement might be incorrectly entered under 121221 when it should be classified as a food supplement under Chapter 21 or even as a chemical under Chapter 29 if it's highly purified. Adherence to General Interpretative Rule 1, which states that classification shall be determined according to the terms of the heading and any relative section or chapter notes, is crucial to avoid such mistakes.
How should importers classify products under HS 121221?
The correct procedure for classifying products under HS 121221 involves a thorough examination of the product's form and presentation. Importers and customs brokers must consult the official tariff schedule of the importing country, such as the USITC HTS or the UK Trade Tariff, and review the Explanatory Notes from the WCO. Key factors include whether the seaweed or algae is fresh, dried, salted, or in brine, and crucially, whether it has undergone any further preparation or preservation beyond these basic treatments.
How is the duty calculated for products under HS 121221?
A shipment of 1,000 kilograms of dried nori seaweed, declared at a customs value of $5,000 USD, would attract a US duty of $500.00. This is calculated using the Most Favored Nation (MFN) duty rate of 10% ad valorem, applied to the declared customs value ($5,000 USD × 10% = $500.00). This calculation is based on the rates published in the USITC Harmonized Tariff Schedule (HTS) for subheading 1212.21.00.
Which trade agreements reduce duties for HS 121221?
Several free trade agreements may reduce the applicable duty rate for HS 121221, including the United States-Mexico-Canada Agreement (USMCA), which can offer duty-free entry for qualifying goods originating from Canada or Mexico. Additionally, the Generalized System of Preferences (GSP) may provide preferential rates, often "Free," for products from designated 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 jurisdiction's requirements.
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FAQ
What are the import duty rates for HS code 121221 (Seaweeds and other algae)?
For HS code 121221, the Most Favored Nation (MFN) duty rate in the United States is Free. In the European Union, under the TARIC system, the rate is also Free. The UK Trade Tariff also lists a duty rate of Free. It is crucial to verify specific rates for your country of import, as these can change and may differ based on origin and trade agreements.
How is HS code 121221 (Seaweeds and other algae) classified?
HS code 121221 covers 'Seaweeds and other algae, whether or not rendered edible, whether or not processed, but not crushed or powdered'. This means that raw, dried, or even lightly processed seaweeds and algae fall under this classification. However, if the algae are crushed or powdered, they would be classified under a different heading, typically 121229. Edible preparations of algae would also be classified elsewhere, depending on their specific form and ingredients.
What documentation is typically required for importing goods under HS code 121221?
When importing seaweeds and other algae under HS code 121221, standard import documentation is required, including a commercial invoice, packing list, and bill of lading or air waybill. Depending on the intended use and origin, additional documentation may be necessary. For food-grade algae, a Certificate of Origin and potentially health certificates or phytosanitary certificates from the exporting country's relevant authority might be required to ensure compliance with food safety regulations. Always consult with your customs broker or the importing country's customs authority for a definitive list.
How are duties calculated for HS code 121221 if a duty were applicable?
While HS code 121221 often carries a Free duty rate, if a specific trade agreement or a different tariff schedule imposed a duty, it would typically be calculated on an ad valorem basis (a percentage of the value) or a specific duty (per unit of weight or volume). For example, if a hypothetical duty of 5% ad valorem applied, and the declared value of the shipment was $10,000, the duty would be $10,000 \u00d7 0.05 = $500. If a specific duty of $0.10 per kilogram applied, and the shipment weighed 5,000 kg, the duty would be 5,000 kg \u00d7 $0.10/kg = $500.
Do trade agreements like USMCA or EU trade deals affect the duty rates for HS code 121221?
Yes, trade agreements can significantly impact duty rates. For instance, if seaweeds and algae originate from a country that has a preferential trade agreement with the importing country (e.g., a country party to the USMCA or an EU free trade agreement), the goods may qualify for reduced or zero duty rates, even if the standard MFN rate is not Free. To claim preferential treatment, importers must typically provide proof of origin, such as a Certificate of Origin, that meets the requirements of the specific trade agreement. It is essential to consult the relevant trade agreement text and the importing country's customs regulations to determine eligibility and required documentation.