About HSN Code 2528

HSN Code 2528 covers Natural Borates and Concentrates Thereof (whether or not Calcined), But not Including Brates Separated From Natural Brine, Natural Boric Acid Containing not More Than 85% of H3bo3 Calculated on the Dry Weight 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 2528 on GST Invoices

• Include the HSN code 2528 on every GST invoice for natural borates and concentrates thereof (whether or not calcined), but not including brates separated from natural brine, natural boric acid containing not more than 85% of h3bo3 calculated on the dry weight
• 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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