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Customs clearance of various chemical fertilizers | HS of Urea, DAP, KCl and NPK + documents, permits, and key notes

Customs clearance of chemical fertilizers in Iran (HS Code + documents and permits)

Customs clearance of various chemical fertilizers from customs Chemical fertilizers, as vital products in the agriculture industry and plant nutrition, are of very high importance. Importing these products requires specialized processes and compliance with numerous laws and regulations established to protect the environment, humans, and agricultural products. Therefore, customs clearance of chemical fertilizers is considered one of the most complex clearance processes, requiring full awareness of technical details, domestic and international regulations, and coordination with relevant authorities.

For estimating the time and cost of chemical fertilizers clearance and obtaining necessary permits (Plant Protection/Environment/Ministry of Industry), contact the experts at Saba Tarkhis.

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۱) Types of chemical fertilizers and their specialized applications

Chemical fertilizers, as one of the key factors in improving the quality and increasing the yield of agricultural products, are divided into several categories based on the primary elements in their composition. Each category has specific characteristics and applications that meet the different needs of plants at various growth stages. Below are the different types of chemical fertilizers with more specialized explanations regarding their composition and uses:

۱. Nitrogenous fertilizers

Nitrogenous fertilizers are primarily recognized as sources of nitrogen for plants. Nitrogen is one of the most important nutrients required by plants, playing a central role in photosynthesis and the production of proteins, amino acids, and chlorophyll. These fertilizers are widely used to increase vegetative growth and are typically applied in early growth seasons. Key nitrogenous fertilizers include:
Urea: With the chemical formula CO(NH₂)₂, this is one of the most widely used nitrogen fertilizers in agriculture. Urea, having the highest percentage of nitrogen (۴۶٪) among nitrogenous fertilizers, decomposes rapidly in soil and supplies the nitrogen needed by plants.
Ammonium nitrate: With the formula NH₄NO₃, it provides nitrogen in both nitrate and ammonium forms. Ammonium nitrate quickly makes nitrogen available to plants and is highly suitable for fast-growing crops and light soils.
Ammonium sulfate: With the chemical formula (NH₄)₂SO₄, this fertilizer supplies nitrogen along with sulfur (S) and is suitable for alkaline soils because it reduces soil pH. The sulfur also helps improve product quality.

۲. Phosphatic fertilizers

Phosphatic fertilizers are primary sources of phosphorus (P), a key element in plant growth, especially in root development and accelerating flowering and fruiting. Phosphorus plays an important role in intracellular energy transfer and nucleic acid synthesis. Important phosphatic fertilizers include:
Single super phosphate (SSP): Produced from rock phosphate and sulfuric acid, this is one of the oldest and most widely used phosphatic fertilizers and contains about ۱۶–۲۰ percent water-soluble phosphorus.
Diammonium phosphate (DAP): One of the most common phosphatic fertilizers in modern agriculture. With the formula (NH₄)₂HPO₄, it contains about ۱۸ percent nitrogen and ۴۶ percent phosphorus, thus providing nitrogen in addition to phosphorus.

۳. Potassic fertilizers

Potassium (K) is one of the three primary nutrients required by plants and plays a vital role in regulating osmotic pressure, plant water balance, enzyme activation, and improving the quality of the final product. Potassic fertilizers are especially used to improve plant resistance to diseases and environmental stress and to enhance fruit size and flavor. The most important potassic fertilizers include:
Potassium chloride (KCl): With the formula KCl, this is one of the most common sources of potassium, containing ۶۰–۶۲ percent potassium. Potassium chloride performs well in well-aerated soils with sufficient moisture and quickly makes potassium available to plants.
Potassium sulfate (K₂SO₄): In addition to potassium, it contains sulfur and is one of the best potassic fertilizers for saline soils and arid regions. Due to the absence of chloride, it is very suitable for salt-sensitive plants such as grapes and strawberries.

۴. Compound (NPK) fertilizers

NPK fertilizers combine the three primary nutrients nitrogen, phosphorus, and potassium in different ratios to provide comprehensive plant nutrition at various growth stages. These fertilizers are usually used to simultaneously strengthen rooting, leaf growth, and improve the quality of fruits and flowers. Because the ratios can be adjusted, compound fertilizers are usable for different crops and diverse soils. Common NPK formulations include:
NPK ۲۰-۲۰-۲۰: This balanced N-P-K formulation is used in the early stages of growth, when the plant needs general nutrition.
NPK ۱۰-۵۲-۱۰: This high-phosphorus formulation is suitable for enhancing rooting and flowering and is applied during flowering and fruit set.

۲) Customs tariff codes for chemical fertilizers (HS Code)

Due to their diverse chemical compositions and elements, chemical fertilizers are classified under different tariff codes at customs. These codes (HS Code) not only help customs authorities categorize goods correctly but also serve as the basis for calculating customs duties and related taxes. Some important tariff codes for chemical fertilizers are as follows: Urea: tariff code ۳۱۰۲۱۰ – This widely used nitrogen fertilizer, due to its high nitrogen content, has the greatest use in agriculture. Diammonium phosphate (DAP): tariff code ۳۱۰۵۳۰ – A nitrogen-phosphorus compound fertilizer, one of the most effective phosphatic fertilizers for strengthening roots and increasing crop yields. Potassium chloride: tariff code ۳۱۰۴۲۰ – This potassic fertilizer plays an important role in strengthening plant structure and increasing resistance to environmental stresses. Compound fertilizers (NPK): tariff code ۳۱۰۵۲۰ – A combination of nitrogen, phosphorus, and potassium that simultaneously meets various plant needs at different growth stages.
Product Short description HS Code
Urea (Urea) Nitrogen fertilizer with high N% (۴۶٪) ۳۱۰۲۱۰
Diammonium phosphate (DAP) N+P compound fertilizer; rooting/performance ۳۱۰۵۳۰
Potassium chloride (KCl) Common K source; improves fruit quality ۳۱۰۴۲۰
Compound fertilizers (NPK) Formulas ۲۰-۲۰-۲۰, ۱۰-۵۲-۱۰, … ۳۱۰۵۲۰

Exact classification depends on formula, grade, physical state, percentages of elements, coating (Coated/CRF), and packaging.

۳) Key notes for customs clearance of chemical fertilizers

Due to their sensitive nature and direct connection with the health of plants, the environment, and humans, customs clearance of chemical fertilizers requires strict compliance with specific laws and regulations. Below are some critical points for successfully carrying out this process:
Obtaining import permits: Importing chemical fertilizers requires special permits from regulatory bodies such as the Plant Protection Organization, the Ministry of Agriculture Jihad, and the Department of Environment. These permits indicate that the imported fertilizers comply with the necessary environmental and safety standards.

Quality control and chemical analysis: After the fertilizers arrive at customs, samples of the shipment are sent to accredited laboratories to examine chemical composition and purity. This step ensures the safety and quality of the fertilizers.

Order registration in the Comprehensive Trade System: Before any import, importers must register shipment details—including fertilizer type, quantity, country of origin and destination, and other particulars—in the Comprehensive Trade System. Failure to register on time may cause delays or prevent clearance.

۴) Exporting and importing countries of chemical fertilizers

Exporters: The global chemical fertilizer market is largely dominated by major producing countries. China, Russia, the United States, India, and Canada are among the largest producers and exporters worldwide, particularly active in nitrogenous and phosphatic fertilizers.
China and Russia hold a significant share of global exports in nitrogenous and phosphatic fertilizers.
The United States is known as one of the largest producers of potassic and compound (NPK) fertilizers.
India, with its petrochemical industries and fertilizer production, is a leading exporter of nitrogenous fertilizers.

Importers to Iran: Owing to the agricultural sector’s reliance on chemical fertilizers—especially nitrogenous and phosphatic—Iran is one of the main importers of these products. A large portion of Iran’s imports come from countries such as China, Russia, Turkmenistan, and Uzbekistan. These fertilizers play an important role in meeting the country’s agricultural needs and improving both quality and quantity of crops.

۵) Special conditions for import and export of chemical fertilizers

Import: Importing chemical fertilizers into Iran requires strict compliance with environmental and safety regulations. Importers should purchase from reputable, experienced manufacturers to ensure product quality and safety. They must also obtain all legal permits from regulatory organizations to avoid issues during clearance. Export: Despite dependence on imports for some fertilizers, Iran can produce part of its domestic needs—especially nitrogenous and phosphatic fertilizers. Some local companies export these products to neighboring countries, including Iraq, Afghanistan, and Türkiye. Due to high quality and compliance with international standards, these fertilizers have strong demand in regional markets.

۶) Volume of Iran’s imports and exports of chemical fertilizers

In recent years, imports of chemical fertilizers into Iran have grown significantly due to rising demand in agriculture. For example, in ۱۴۰۱, the volume of chemical fertilizer imports into Iran reached several million tons, indicating a high national need for these products. Exports of domestically produced fertilizers to neighboring countries have also steadily increased, advancing toward stronger foreign markets.

۷) Documents required for customs clearance of chemical fertilizers

  1. For customs clearance of various chemical fertilizers, specific documents must be prepared and provided, which the importer needs to submit in full to customs. These documents help customs ensure that the goods have entered the country in accordance with domestic and international regulations and that all necessary standards have been observed. Below is the complete list of documents required for clearance of chemical fertilizers:
    1. Proforma (Proforma Invoice)
    The proforma invoice is one of the first required documents and includes product purchase details such as price, quantity, specifications, and payment terms. This document helps customs evaluate and examine the goods.

    2. Commercial Invoice
    The commercial invoice (invoice) is an official document issued by the seller after purchase confirmation. It includes final price, freight charges, and other related import costs and serves as a primary document in the clearance process.

    3. Packing List
    This document provides precise information about the number of packages, the weight of each, and packaging method. Submitting this list helps customs verify consistency of packages with the submitted documents and perform more accurate clearance.

    4. Certificate of Origin
    Issued by the chamber of commerce of the exporting country, it shows where the goods were produced. It is required for determining tariffs and customs duties.

    5. Order Registration Permit
    Before import, the importer must register the goods in the Comprehensive Trade System. Without this permit, import is not possible and it is one of the main documents for clearance.

    6. Certificate of Analysis
    Provided by the manufacturer or an accredited laboratory, it details the chemical composition and quality of the fertilizers, ensuring their compliance with agricultural and environmental standards.

    7. Import Permit from the Plant Protection Organization
    Due to safety considerations in using chemical fertilizers, the importer must obtain an import permit from the Plant Protection Organization and the Ministry of Agriculture Jihad. This permit confirms conformity with health and environmental standards.

    8. Quarantine Certificate
    In some cases, a quarantine certificate may be required for importing chemical fertilizers. It confirms that the product has been inspected and approved before entry and poses no risk to the environment and public health.

    9. Insurance Certificate
    The cargo insurance policy proves that the goods are insured during transportation. It is essential in case of accidents or potential damage to the goods.

    10. Bill of Lading
    Issued by the carrier, it shows complete shipping information including mode of transport, route, and delivery time. It must be presented to customs for proper clearance.

    11. Inspection Certificate
    In some cases, before the shipment is sent to Iran, accredited inspection companies examine the goods to ensure quantitative and qualitative compliance with agreed conditions. This certificate serves as proof of fertilizer quality.

    12. Standard Certificate
    Imported chemical fertilizers must comply with national and international standards. The standard certificate confirms that the goods have been produced in line with these standards and are ready for use.

    13. Customs Declaration
    The customs declaration contains complete shipment information, including type, quantity, and value of the goods. It is one of the most important documents enabling customs review and clearance.

    14. Proof of Payment of Customs Duties and Taxes
    After customs review and determining payable amounts, the importer must settle duties and taxes. Once paid, the related receipt is issued and is essential to complete the clearance process.

    15. Environmental Permit
    For some chemical fertilizers that may have environmental impacts, obtaining a permit from the Department of Environment is mandatory. This permit confirms that the import is safe in line with national environmental regulations

Need precise HS classification, permits, and file preparation? Our team manages end-to-end clearance of all chemical fertilizers.

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Frequently asked questions

What are the common HS Codes for chemical fertilizers?

Examples: ۳۱۰۲۱۰ (Urea), ۳۱۰۵۳۰ (DAP), ۳۱۰۴۲۰ (KCl), ۳۱۰۵۲۰ (NPK). Final determination depends on formulation, element percentages, and coating type.

Which permits are required for importing fertilizers?

As applicable: Plant Protection Organization, Ministry of Agriculture Jihad, Department of Environment, MOI order registration, certificate of analysis, and standard certificate.

How is quality control conducted at customs?

Sampling and sending to laboratories to verify the chemical analysis and assess purity/contamination; without conformity, clearance is postponed.

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Summary and call to action

Due to safety/environmental requirements and multi-agency documentation, fertilizer clearance is complex. With practical experience, Saba Tarkhis moves your process forward quickly and in full compliance with regulations.

Request expert consultation Get a clearance proforma

Special customs-clearance services by Saba Brokerage

Saba Brokerage, with extensive experience and expertise in clearing chemical goods from customs, offers special services to importers and exporters. These services include consulting, obtaining required permits, and diligently following up clearance steps. Below are some of the most important services of this company in the field of clearing chemical fertilizers:

Pre-import specialized consulting: Saba’s expert team provides precise advice on selecting appropriate fertilizer types for import, required documents, and customs conditions, supporting importers in making the right decisions. Such consulting can improve the import process and facilitate clearance.
Fast acquisition of import permits: One key advantage of using these services is the company’s wide connections with government bodies and related organizations, leading to obtaining necessary import permits in the shortest possible time.
Complete handling of administration and order registration: All stages of order registration, document preparation, and administrative follow-ups are carried out by the company. Detailed status reports are also provided to clients throughout the clearance process.
Expedited clearance process: High speed in carrying out clearance steps is a major advantage of the services provided. The company’s experienced team, well-versed in customs regulations, effectively accelerates clearance so importers can receive their goods sooner.
Post-clearance support: After customs release, the company provides full after-sales support and helps resolve any issues in transportation or distribution, if any arise.

Due to the high sensitivity of chemical fertilizers and the need to observe environmental and health standards, clearance requires expertise and precision. By offering comprehensive and specialized services in clearing these products, Saba makes the process easier and faster for importers.

Contact our experts for more information.

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