When should I issue a credit note under GST?

Issue a credit note when the taxable value or tax on an invoice turns out to be higher than it should be, when goods are returned, or when the supply is found deficient (Section 34(1) of the CGST Act). It must reference the original invoice. Do not issue a credit note to cancel an invoice for an unrelated reason such as non-payment; that is a collection problem, not a supply problem.

What is the last date to issue a credit note for a financial year?

A credit note with GST for an invoice in a financial year must be declared in the return for a month not later than 30 November of the following financial year, or the date of filing the annual return, whichever is earlier (Section 34(2)). After that you can still issue a commercial credit note without GST to adjust the customer's balance, but you cannot reduce your tax liability.

Does a credit note reduce the customer's balance?

Yes. VyaparKit posts each credit note to the customer's ledger as a reduction of what they owe, tax included. The outstanding statement, payment due slip and payment reminders all use the reduced balance. If the customer has already paid in full, the credit note becomes an advance to adjust against their next invoice or to refund with a payment voucher.

Is GST reversed on a credit note?

Yes, when the credit note is issued with tax. Your output liability reduces by the CGST, SGST or IGST on the note in the month you report it in GSTR-1, provided the buyer reverses the matching input credit. VyaparKit applies the same tax head and rate as the original invoice. A commercial credit note without tax adjusts only the value, not the GST.

Can I issue a credit note without referencing an invoice?

Not for GST purposes. Section 34 requires the credit note to reference the original tax invoice number and date, which is why VyaparKit's credit note has an Against invoice field and is best created from the invoice itself. One credit note can relate to one invoice in VyaparKit; issue separate notes for separate invoices.

Can a post-sale discount be given through a credit note?

Yes, if the discount was agreed at or before the time of supply, is linked to specific invoices, and the buyer reverses the proportionate input credit (Section 15(3)(b)). Then the credit note reduces both value and GST. A discount decided afterwards, with no prior agreement, can be passed only through a commercial credit note without GST. Check with your CA for scheme discounts.

Where do credit notes appear in GST returns?

Credit notes issued to registered buyers are reported in Table 9B of GSTR-1 with the original invoice details, and they reduce the liability auto-populated in GSTR-3B. Notes to unregistered buyers go in Table 9B as B2C. The buyer sees the note in their GSTR-2B and must reverse the credit.

Credit Note

Issue a GST credit note against an invoice for returns, discounts or rate corrections. Reduces the customer balance automatically. Free PDF download.

Free account · 5 documents a month freeMade for India · ₹, GST, UPI, WhatsApp

In short

A credit note is issued by a seller to reduce the value of an earlier invoice, for sales returns, post-sale discounts, deficiency in service or a billing error. Section 34 of the CGST Act requires it to reference the original invoice. VyaparKit's credit note generator links to the invoice, reverses the right CGST, SGST or IGST, reduces the customer's ledger balance, and produces a numbered PDF.

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Create a Credit Note in under a minute

Sign in once with Google or email. Your business name, GSTIN, logo, bank details and saved customers fill in automatically. Download a PDF or share a link on WhatsApp. 5 documents a month are free, forever.

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✓Beautiful PDF with your logo and details
✓GST calculated automatically where applicable
✓Saved customers, vendors and items, so no retyping
✓Share link with WhatsApp button and UPI QR
✓Converts to related documents in one click

About the credit note tool

Goods come back, rates get renegotiated, an invoice charges the wrong quantity, a service falls short. In each case you cannot cancel or edit the tax invoice you already issued; you issue a credit note against it. The credit note reduces what the customer owes and, when it carries tax, reduces your GST liability in the month you report it in GSTR-1. The buyer, in turn, reverses the corresponding input credit.

Credit notes done by hand are where GST returns go wrong: the note does not name the original invoice, the tax reversal uses the wrong head, or the note is issued after the deadline for the year. VyaparKit's credit note starts from the invoice itself, so the Against invoice reference is filled, the tax follows the original CGST and SGST or IGST split, and a Reason selector (Sales return, Post-sale discount, Deficiency in service, Correction in invoice, Other) documents why. Notes run in a CN/26-27 series.

Every credit note posts to the customer's ledger as a reduction, so the outstanding statement and reminders stop chasing money you no longer expect. Create it directly from a GST, tax or service invoice with Create from this invoice. Free accounts include 5 notes a month across receipts, vouchers and notes.

How to issue a credit note against an invoice

1
Open the original invoice
Find the GST, tax or service invoice and choose Credit Note under Create from this invoice. The customer and Against invoice reference are filled.
2
Pick the reason
Select Reason: Sales return, Post-sale discount, Deficiency in service, Correction in invoice or Other. Add details in Notes.
3
Adjust the lines
Keep only the returned or discounted items and set the Qty or Rate to the amount being credited. Tax follows the original invoice's CGST/SGST or IGST split.
4
Create the note
Click Create CN. The customer's ledger balance reduces by the credit note total, including tax.
5
Share and report
Download PDF or WhatsApp it to the customer, and report the note in Table 9B of GSTR-1 for the month.

What a credit note must contain (Rule 53)

The words 'Credit Note' and your name, address and GSTIN.
Consecutive serial number (CN/26-27/0001) unique for the financial year, and date of issue.
Recipient's name, address and GSTIN, or address of delivery if unregistered.
Serial number and date of the original tax invoice being adjusted (Section 34).
Value of goods or services credited, and the CGST, SGST or IGST reversed.
Reason for the credit note: return, discount, deficiency or correction.
Signature or digital signature of the supplier.
Issued no later than 30 November following the end of the financial year of the invoice, or the date of filing the annual return, whichever is earlier.

Who uses the credit note

Garment wholesaler accepting returns

A retailer returns 20 unsold pieces; the wholesaler issues a credit note against the original invoice with the same HSN and GST rate.

Distributor giving quarterly scheme discounts

Post-sale discounts agreed in advance are passed on through credit notes referencing each invoice.

Software agency correcting an overbilled invoice

An invoice charged 12 days instead of 10; a credit note for 2 days with IGST corrects it without touching the original.

Electronics dealer settling a warranty deficiency

Credit the customer for a defective accessory instead of refunding cash, and adjust it against their next purchase.

Credit Note: frequently asked questions

When should I issue a credit note under GST?: Issue a credit note when the taxable value or tax on an invoice turns out to be higher than it should be, when goods are returned, or when the supply is found deficient (Section 34(1) of the CGST Act). It must reference the original invoice. Do not issue a credit note to cancel an invoice for an unrelated reason such as non-payment; that is a collection problem, not a supply problem.
What is the last date to issue a credit note for a financial year?: A credit note with GST for an invoice in a financial year must be declared in the return for a month not later than 30 November of the following financial year, or the date of filing the annual return, whichever is earlier (Section 34(2)). After that you can still issue a commercial credit note without GST to adjust the customer's balance, but you cannot reduce your tax liability.
Does a credit note reduce the customer's balance?: Yes. VyaparKit posts each credit note to the customer's ledger as a reduction of what they owe, tax included. The outstanding statement, payment due slip and payment reminders all use the reduced balance. If the customer has already paid in full, the credit note becomes an advance to adjust against their next invoice or to refund with a payment voucher.
Is GST reversed on a credit note?: Yes, when the credit note is issued with tax. Your output liability reduces by the CGST, SGST or IGST on the note in the month you report it in GSTR-1, provided the buyer reverses the matching input credit. VyaparKit applies the same tax head and rate as the original invoice. A commercial credit note without tax adjusts only the value, not the GST.
Can I issue a credit note without referencing an invoice?: Not for GST purposes. Section 34 requires the credit note to reference the original tax invoice number and date, which is why VyaparKit's credit note has an Against invoice field and is best created from the invoice itself. One credit note can relate to one invoice in VyaparKit; issue separate notes for separate invoices.
Can a post-sale discount be given through a credit note?: Yes, if the discount was agreed at or before the time of supply, is linked to specific invoices, and the buyer reverses the proportionate input credit (Section 15(3)(b)). Then the credit note reduces both value and GST. A discount decided afterwards, with no prior agreement, can be passed only through a commercial credit note without GST. Check with your CA for scheme discounts.
Where do credit notes appear in GST returns?: Credit notes issued to registered buyers are reported in Table 9B of GSTR-1 with the original invoice details, and they reduce the liability auto-populated in GSTR-3B. Notes to unregistered buyers go in Table 9B as B2C. The buyer sees the note in their GSTR-2B and must reverse the credit.