About HSN Code 310520

HSN Code 310520 covers Mineral or Chemical Fertilisers Containing the Three Fertilising Elements Nitrogen, Phosphorus and Potassium and attracts a GST rate of 5%. For intra-state supplies, this is split as 2.5% CGST + 2.5% SGST. For inter-state supplies, 5% IGST is charged.

How to Use HSN Code 310520 on GST Invoices

• Include the HSN code 310520 on every GST invoice for mineral or chemical fertilisers containing the three fertilising elements nitrogen, phosphorus and potassium
• Businesses with turnover above ₹5 crore must use 6-digit HSN codes
• Turnover between ₹1.5–5 crore: 4-digit codes are sufficient
• The HSN code must match the product/service description on your invoice
• Incorrect HSN codes can lead to GST notices and ITC mismatches

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