About HSN Code 284800

HSN Code 284800 covers Phosphides, whether or not chemically defined, excluding ferrophosphorus and attracts a GST rate of 18%. For intra-state supplies, this is split as 9% CGST + 9% SGST. For inter-state supplies, 18% IGST is charged.

How to Use HSN Code 284800 on GST Invoices

• Include the HSN code 284800 on every GST invoice for phosphides, whether or not chemically defined, excluding ferrophosphorus
• 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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