What is HS code 310540 used for?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
HS-6 · Subheading
310540
Fertilizers, mineral or chemical; ammonium dihydrogenorthophosphate (monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (diammonium phosphate)
Heading 3105 — Fertilizers; mineral or chemical, containing 2 or 3 of the elements nitrogen, phosphorus, potassium; other fertilisers; goods of chapter 31 in tablets or packages of gross weight not exceeding 10kg
Chapter 31: Fertilisers
Plain-language overview
Use HS-6 310540 when importing or exporting ammonium dihydrogenorthophosphate, commonly known as monoammonium phosphate (MAP). This fertilizer is often shipped in bags weighing 10 kg or less, suitable for agricultural use.
This code specifically addresses fertilizers that contain both nitrogen and phosphorus, distinguishing them from other fertilizers like those classified under HS-6 310520, which covers diammonium phosphate alone. Understanding these differences is key for accurate classification.
Ammonium dihydrogenorthophosphate is widely used in agriculture to promote plant growth, especially for crops requiring high phosphorus levels. If you're dealing with mixtures of MAP and diammonium phosphate, this HS-6 code applies.
When considering shipments, note that this fertilizer is typically packaged in small bags for retail distribution, making it convenient for farmers and gardeners. Ensure your invoices reflect the correct HS code to avoid customs issues.
Keywords & topics
Useful terms traders and brokers use for this HS-6 subheading.
ammonium dihydrogenorthophosphate · monoammonium phosphate · fertilizers with nitrogen · phosphorus fertilizers · small package fertilizers · agricultural fertilizers · fertilizer mixtures · customs classification · fertilizer shipments · 10 kg fertilizer bags · fertilizer import/export · plant growth nutrients · retail fertilizer packaging · MAP for crops · fertilizer customs codes · fertilizer trade regulations
Examples
Drawn from the official tariff wording for this HS-6 subheading. Always confirm against your published schedule and legal notes.
- 50 bags of ammonium dihydrogenorthophosphate (MAP) for agricultural use
- 100 kg shipment of MAP mixed with diammonium phosphate
- Retail packaging of MAP in 5 kg bags for home gardening
- Bulk shipment of monoammonium phosphate for fertilizer manufacturers
- Export of MAP to a distributor in Europe
- Import of MAP for use in hydroponic systems
- Small packages of MAP for organic farming applications
- Mixed fertilizer containing MAP and other nutrients for crop enhancement
Common questions
Frequent classification questions with short practical guidance.
How to classify monoammonium phosphate?
Write down material, use, and product form first, then compare nearby lines before you lock the code.
Is ammonium dihydrogenorthophosphate a fertilizer?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
What are the packaging requirements for MAP?
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Can I mix MAP with other fertilizers?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
What customs duties apply to HS-6 310540?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
How to import ammonium dihydrogenorthophosphate?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
What are the uses of monoammonium phosphate in agriculture?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Related topics
Common real-world topics that come up during code comparison.
how to classify ammonium dihydrogenorthophosphate for customs
Check the exact product specs and destination-country tariff notes before finalizing the code.
shipping requirements for monoammonium phosphate fertilizers
Use this as a checklist topic, then confirm legal requirements with your broker or customs advisor.
differences between MAP and diammonium phosphate in trade
Compare adjacent HS lines and pick the one that matches material, function, and product form most closely.
best practices for importing fertilizers under HS-6 310540
Check the exact product specs and destination-country tariff notes before finalizing the code.
packaging options for ammonium dihydrogenorthophosphate shipments
Use this topic to narrow your shortlist, then validate the final code against legal wording.
customs regulations for fertilizer imports in small packages
Check the exact product specs and destination-country tariff notes before finalizing the code.
using MAP in organic farming and its classification
Use this topic to narrow your shortlist, then validate the final code against legal wording.
what to include on invoices for ammonium dihydrogenorthophosphate
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Questions & answers
For orientation only—the binding text is your national tariff and the WCO nomenclature your country uses.
- What products fall under HS-6 310540?
- HS-6 310540 covers ammonium dihydrogenorthophosphate and mixtures with diammonium hydrogenorthophosphate, primarily used as fertilizers.
- How do I package MAP for export?
- When exporting MAP, ensure it is packaged in bags not exceeding 10 kg, clearly labeled with the HS code for customs.
- Are there any restrictions on importing ammonium dihydrogenorthophosphate?
- Check with local regulations, as some countries may have specific import restrictions or require permits for fertilizers.
- What is the difference between MAP and diammonium phosphate?
- MAP contains more phosphorus and is often used for crops needing high phosphorus levels, while diammonium phosphate has a higher nitrogen content.
- Can I mix MAP with other fertilizers?
- Yes, MAP can be mixed with other fertilizers, but ensure the mixture complies with local regulations and is correctly classified.
- What are the customs duties for HS-6 310540?
- Customs duties vary by country; check your local customs office for specific rates applicable to ammonium dihydrogenorthophosphate.
- How is MAP used in agriculture?
- MAP is primarily used to enhance plant growth, especially in crops that require significant phosphorus for root development.
- What documentation do I need for importing MAP?
- You will need a commercial invoice, packing list, and any necessary import permits or certificates required by your country.
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