GST Credit Note Rule Changes 1 Nov 2026: 4 Big Wins for Suppliers, Most Businesses Miss No. 1
⚡ Quick answer: GST on post-sale discounts from 1 Nov 2026 From 1 November 2026 , a discount given after the sale can reduce GST even if it was not agreed in advance or linked to specific invoices. Two conditions remain: the supplier issues a GST credit note (Section 34) and the buyer reverses the matching ITC . Inverted duty refunds can now get 90% provisional refund . The ₹1,000 minimum refund limit no longer applies to IGST-paid exports. ๐ Eye-opener: the GST you may have paid on money you never received Year-end rebates and dealer schemes are usually decided after the sale, so they failed the "agreed before supply" test. Many suppliers issued only a commercial credit note and paid GST on the full invoice value. On a ₹10 lakh rebate at 18%, that is ₹1.8 lakh of GST on income the supplier never kept. ๐ฉ Hidden risk: if the buyer rejects your credit note or does not reverse ITC, your tax cut can be questioned. ๐ฐ Saver tip: For rebates you gi...