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Credit note format under GST

A credit note reduces what a customer owes you on an invoice already issued: for goods returned, a lower rate agreed later, or a discount after sale. Under GST it also reduces your output tax.

Updated 2026-11-07 · 4 min read

When a credit note is issued

Section 34 of the CGST Act allows a registered supplier to issue a credit note when, after a tax invoice:

  • the taxable value or tax charged was more than it should have been;
  • the buyer returns goods;
  • goods or services supplied are found deficient.

In practice this covers sales returns, rate differences, short supply accepted by both sides, and discounts given after the sale that were agreed in advance and can be linked to invoices. A post-sale discount that was not agreed beforehand may need different treatment; see GST on cash discounts after sale.

Sample credit note format

The sample uses made-up details. Switch between the Classic, Modern and Compact layouts, Print / PDF it on A4, or print a Blank template to fill by hand. Open in editor loads it into the free credit note generator, where you type straight onto the page and GST, totals and the amount in words are worked out for you.

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What the format must contain

  • Heading: Credit Note
  • Supplier name, address and GSTIN
  • Credit note number (up to 16 characters) and date
  • Recipient name, address and GSTIN or state
  • Original invoice number and date
  • Reason: return, rate difference, deficiency
  • Description and HSN
  • Quantity returned (if goods)
  • Taxable value credited
  • GST rate and tax amount
  • Total credit amount
  • Signature or digital signature

Fields the rules require

Rule 53(1A) of the CGST Rules lists what a credit note must show:

  • The nature of the document: "Credit Note".
  • Your name, address and GSTIN.
  • A consecutive serial number of up to 16 characters, unique for the financial year.
  • Date of issue.
  • Recipient's name, address and GSTIN (or, if unregistered, name, address and state).
  • Serial number and date of the original tax invoice or invoices.
  • Value of goods or services, rate of tax and amount of tax credited.
  • Signature or digital signature.

Worked example: goods returned

Mehta Electricals, Ahmedabad, sold 40 LED panels at ₹900 each to a contractor in Vadodara on invoice ME/26-27/0560 (taxable ₹36,000, CGST 9% ₹3,240, SGST 9% ₹3,240). Five panels arrive damaged and are returned.

Credit note CN/26-27/014Amount
5 panels × ₹900₹4,500.00
CGST 9%₹405.00
SGST 9%₹405.00
Total credit₹5,310.00

The contractor's balance falls by ₹5,310. Mehta reports the credit note in GSTR-1 and its output tax falls by ₹810; the contractor must reduce the input tax credit by the same amount. The rate used must be the rate on the original invoice.

Time limit

A credit note for a financial year's supplies must be declared in your return by 30 November following the end of that financial year, or the date you file the annual return, whichever is earlier. After that, the tax cannot be reduced, though you can still settle the money commercially. This deadline has been amended before; check the current rule on cbic-gst.gov.in. More in credit notes and debit notes in GST.

Numbering and good practice

  • Keep a separate series (CN/26-27/001) so tax invoice numbers stay consecutive.
  • Always quote the original invoice number; a credit note without it is hard to defend.
  • One credit note may cover several invoices of the same buyer, if each is listed.
  • Get the buyer's acknowledgement for returns, with the goods received note.

Credit note or financial adjustment?

Not every reduction needs a GST credit note. A small settlement discount offered at payment time, without any prior agreement, is often passed as a commercial or financial credit note that reduces the party's balance but not the GST. The tax stays as invoiced. Which route applies depends on the facts, so decide the treatment with your CA and use separate series for the two types to keep returns clean.

Credit notes in Tally

In TallyPrime the Credit Note voucher records a sales return or price reduction. With inventory, the returned stock comes back into the godown. Link it to the original sale under bill-wise details so the outstanding against that bill reduces. The debit note is the opposite document, used when the value goes up or when you return goods to a supplier.

Make one now with the free credit note generator

Questions people ask

Who issues a credit note under GST?

The supplier who issued the original tax invoice. A buyer returning goods may send a debit note to the supplier, but the GST credit note is the supplier's document.

Can I issue a credit note without the original invoice number?

The rules require the original invoice reference. Without it the credit may be questioned.

Is there a time limit for credit notes?

Yes. It must be declared by 30 November after the financial year ends, or the annual return date if earlier. Check the current rule.

Does the buyer have to reverse input tax credit?

Yes. When you reduce your output tax with a credit note, the buyer must reduce the input tax credit claimed on that invoice.

Can a credit note be issued for a discount?

Yes, if the discount was agreed before or at the time of supply and can be linked to specific invoices. Other discounts may not reduce GST.

This page is general information for Indian businesses, not tax or legal advice. GST rules, limits and formats change by notification — check cbic-gst.gov.in or gst.gov.in, or ask your CA.

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