About HS Code 31
Chapter 31 of the Harmonized System (HS) is dedicated to "Fertilizers," encompassing a broad range of products essential for agricultural productivity and global food security. This chapter primarily covers both mineral or chemical fertilizers and animal or vegetable fertilizers, whether in their natural state, mixed, or chemically treated. The scope is defined by products specifically prepared and used as fertilizers, providing essential nutrients like nitrogen, phosphorus, and potassium to plants. It includes straight fertilizers (supplying one primary nutrient), compound fertilizers (supplying two or three primary nutrients), and other specialized formulations. Key sub-categories within this chapter distinguish between nitrogenous (HS 3102), phosphatic (HS 3103), and potassic (HS 3104) mineral or chemical fertilizers, as well as complex NPK fertilizers and other mixtures (HS 3105). Animal or vegetable fertilizers are classified under HS 3101. Correct classification under Chapter 31 is paramount for trade compliance, directly impacting applicable import duties, potential export restrictions, eligibility for preferential trade agreements, and adherence to specific national agricultural and environmental regulations. Given the critical role of fertilizers in modern agriculture, accurate classification ensures smooth customs clearance, prevents costly delays or penalties, and supports efficient global supply chains for food production. Historically, the trade in fertilizers has been pivotal in boosting crop yields, enabling intensified farming practices, and supporting an ever-growing global population, making it a highly significant commodity in international commerce.
Products Under This Code
Urea, Ammonium nitrate, Diammonium phosphate (DAP), Monoammonium phosphate (MAP), Triple superphosphate (TSP), Potassium chloride (MOP), Potassium sulphate (SOP), NPK compound fertilizers, Calcium ammonium nitrate (CAN), Superphosphate, Nitric acid (fertilizer grade), Organic-mineral fertilizers, Liquid foliar fertilizers, Bone meal fertilizers, Guano, Prepared compost, Magnesium sulphate (fertilizer grade), Micronutrient fortified fertilizers, Slow-release nitrogen fertilizers, Urea ammonium nitrate (UAN) solutions, Ammonium sulphate, Ammonium polyphosphate, Potassium nitrate, Calcium nitrate, Iron chelates (for fertilizer use)
Real World Examples
A large agricultural cooperative in Brazil regularly imports high-grade NPK compound fertilizers from Germany to enhance the yield of their soybean and corn crops, typically shipped via ocean freight through major ports like Santos. A Canadian potash mining company exports vast quantities of potassium chloride (MOP) to the United States and Southeast Asian markets, primarily for corn, wheat, and palm oil cultivation, utilizing rail and ocean vessels for transport. A Moroccan state-owned enterprise specializes in exporting diammonium phosphate (DAP) to India, a major agricultural economy, to support rice and wheat production, with shipments primarily departing from Safi or Jorf Lasfar. A Chinese chemical manufacturer exports urea to Australia and New Zealand for pasture improvement and crop fertilization, with bulk shipments arriving at various ports. Furthermore, European agricultural firms often trade specialized liquid foliar fertilizers across EU borders, leveraging road transport for rapid delivery to farms for precise nutrient application.
Common Misclassification
Common misclassification mistakes for Chapter 31 often arise from confusing primary use or chemical composition. One frequent error is classifying certain chemical compounds under Chapter 28 (Inorganic chemicals) or Chapter 29 (Organic chemicals) when they are specifically formulated and intended for use as fertilizers. For example, pure potassium chloride (HS 2827) used in industrial processes would differ from potassium chloride specifically prepared and marketed as a fertilizer (HS 3104). Another common confusion is with Chapter 38 (Miscellaneous chemical products), particularly prepared additives or plant growth regulators that might enhance crop production but do not primarily provide essential plant nutrients as defined for fertilizers. The key differentiator is the *primary function* of the product: if its main purpose is to supply plant nutrients for growth, it belongs in Chapter 31. Traders might also incorrectly classify unprocessed organic materials under Chapter 23 (Residues and waste from the food industries; prepared animal fodder) instead of prepared animal or vegetable fertilizers of 3101.
Headings in This Chapter 5
Industry
This code belongs to the Chemicals industry.
Trade Overview
Major exporters of fertilizers include China, Russia, Canada, Morocco, the USA, and Saudi Arabia, reflecting their abundant natural resources (e.g., potash in Canada/Russia, phosphates in Morocco) or significant production capacity (e.g., nitrogenous fertilizers in China/Middle East). Key importers are large agricultural economies such as India, Brazil, the USA, and countries within the EU and Southeast Asia, driven by the need to support vast crop production. Fertilizers often benefit from reduced or zero tariffs under various free trade agreements due to their critical role in food security and agricultural development. However, trade is frequently subject to anti-dumping duties, countervailing measures, and stringent environmental and quality standards, particularly in regions like the European Union, which regulate nutrient content and permissible contaminants.
Frequently Asked Questions
What is HS code 31?
HS code 31 is a 2-digit chapter in the Harmonized System that covers: Fertilizers. Chapter 31 of the Harmonized System (HS) is dedicated to "Fertilizers," encompassing a broad range of products essential for agricultural productivity and global food security. This chapter primarily covers both mineral or chemical fertilizers and animal or vegetable fertilizers, whether in their natural state, mixed, or chemically treated. The scope is defined by products specifically prepared and used as fertilizers, providing essential nutrients like nitrogen, phosphorus, and potassium to plants. It includes straight fertilizers (supplying one primary nutrient), compound fertilizers (supplying two or three primary nutrients), and other specialized formulations. Key sub-categories within this chapter distinguish between nitrogenous (HS 3102), phosphatic (HS 3103), and potassic (HS 3104) mineral or chemical fertilizers, as well as complex NPK fertilizers and other mixtures (HS 3105). Animal or vegetable fertilizers are classified under HS 3101. Correct classification under Chapter 31 is paramount for trade compliance, directly impacting applicable import duties, potential export restrictions, eligibility for preferential trade agreements, and adherence to specific national agricultural and environmental regulations. Given the critical role of fertilizers in modern agriculture, accurate classification ensures smooth customs clearance, prevents costly delays or penalties, and supports efficient global supply chains for food production. Historically, the trade in fertilizers has been pivotal in boosting crop yields, enabling intensified farming practices, and supporting an ever-growing global population, making it a highly significant commodity in international commerce.
What products fall under HS code 31?
Urea, Ammonium nitrate, Diammonium phosphate (DAP), Monoammonium phosphate (MAP), Triple superphosphate (TSP), Potassium chloride (MOP), Potassium sulphate (SOP), NPK compound fertilizers, Calcium ammonium nitrate (CAN), Superphosphate, Nitric acid (fertilizer grade), Organic-mineral fertilizers, Liquid foliar fertilizers, Bone meal fertilizers, Guano, Prepared compost, Magnesium sulphate (fertilizer grade), Micronutrient fortified fertilizers, Slow-release nitrogen fertilizers, Urea ammonium nitrate (UAN) solutions, Ammonium sulphate, Ammonium polyphosphate, Potassium nitrate, Calcium nitrate, Iron chelates (for fertilizer use)
What are common misclassifications for HS code 31?
Common misclassification mistakes for Chapter 31 often arise from confusing primary use or chemical composition. One frequent error is classifying certain chemical compounds under Chapter 28 (Inorganic chemicals) or Chapter 29 (Organic chemicals) when they are specifically formulated and intended for use as fertilizers. For example, pure potassium chloride (HS 2827) used in industrial processes would differ from potassium chloride specifically prepared and marketed as a fertilizer (HS 3104). Another common confusion is with Chapter 38 (Miscellaneous chemical products), particularly prepared additives or plant growth regulators that might enhance crop production but do not primarily provide essential plant nutrients as defined for fertilizers. The key differentiator is the *primary function* of the product: if its main purpose is to supply plant nutrients for growth, it belongs in Chapter 31. Traders might also incorrectly classify unprocessed organic materials under Chapter 23 (Residues and waste from the food industries; prepared animal fodder) instead of prepared animal or vegetable fertilizers of 3101.
Which countries trade the most under HS code 31?
Major exporters of fertilizers include China, Russia, Canada, Morocco, the USA, and Saudi Arabia, reflecting their abundant natural resources (e.g., potash in Canada/Russia, phosphates in Morocco) or significant production capacity (e.g., nitrogenous fertilizers in China/Middle East). Key importers are large agricultural economies such as India, Brazil, the USA, and countries within the EU and Southeast Asia, driven by the need to support vast crop production. Fertilizers often benefit from reduced or zero tariffs under various free trade agreements due to their critical role in food security and agricultural development. However, trade is frequently subject to anti-dumping duties, countervailing measures, and stringent environmental and quality standards, particularly in regions like the European Union, which regulate nutrient content and permissible contaminants.
How is HS code 31 structured?
HS code 31 is a 2-digit chapter code in the Harmonized System maintained by the World Customs Organization. It represents a broad category of goods and contains multiple 4-digit headings and 6-digit subheadings for more specific classifications.