Credit Note Generator.
Enter the original invoice, the reason, and the items or value being credited. We produce a Section 34 credit note with the tax reversed at the original rates, the total in words and the GSTR-1 reporting note, ready to print or save as PDF. Runs entirely in your browser.
Issue the credit note at the same GST rates as the original invoice and report it in Table 9B of GSTR-1 for the month. A credit note with tax can be declared no later than 30 November following the end of the financial year of the original invoice, or the date of the annual return, whichever is earlier. Nothing you type leaves your browser.
What you'll get.
A real example of what this tool produces. Run it above with your own inputs.
A credit note is how a seller reduces an invoice that has already been issued. A boutique takes back two kurtas that did not fit, a wholesaler agrees a year-end discount after the invoices were raised, a courier loses one carton out of ten, a consultant bills Rs 50,000 and the client negotiates it down to Rs 45,000 after the work is done. In each case the original invoice stands in the books and the GST return, and the correction has to be made by a separate document that refers back to it.
Under Section 34 of the CGST Act a registered supplier issues a credit note when the taxable value or tax on an invoice exceeds what is actually payable, when goods are returned, or when goods or services are found deficient. Rule 53 fixes the contents: the word credit note, the supplier name, address and GSTIN, a serial number, the date, the recipient details, the number and date of the original invoice, the value of goods or services, the tax reversed, and a signature. The supplier declares it in GSTR-1 and reduces output tax; a registered recipient reverses the matching input credit.
This generator builds the document with each of those fields, computes CGST and SGST or IGST at the original rates, prints the total in words, records how the credit will be settled, and carries the reporting note on its face. It runs in your browser and stores nothing.
How to use the credit note generator
Enter the supplier (you) with GSTIN and state, and the recipient with GSTIN if registered.
Give the credit note a number in its own series and a date, and enter the original invoice number and date it corrects.
Pick the reason and the type of supply on the original invoice so the tax is reversed as CGST and SGST or as IGST.
Add the items or value credited with HSN, quantity, rate and the same GST rate as the original invoice.
Choose how the credit is settled, add remarks, then Preview and Print / save as PDF.
Why this matters for your business
It is the only lawful way to reduce GST already charged. You cannot cancel or edit an invoice once it is in GSTR-1. A credit note with the invoice reference is how the output tax comes down and how the customer input credit is corrected.
It keeps receivables honest. A return or discount that is only agreed on WhatsApp leaves the full invoice open in your debtors list; the credit note closes the gap and matches the payment that eventually arrives.
There is a deadline. A credit note with tax for an FY 2025-26 invoice must be declared by 30 November 2026 or the annual return, whichever is earlier; after that the tax cannot be reduced.
Tips for better results
- Number credit notes in a separate consecutive series (CN/2026-27/0001) and never reuse a cancelled number.
- Use the same GST rate and the same intra- or inter-state treatment as the original invoice; a credit note at a different rate will not reconcile.
- One credit note may cover several invoices to the same recipient in a financial year, but a single invoice reference is cleaner for reconciliation.
- For a discount agreed after supply, the tax can be reduced only if the discount was provided for in an agreement made at or before the supply and the recipient reverses the credit; otherwise issue a financial credit note without GST.
- Report the credit note in Table 9B of GSTR-1 for the month of issue; from the IMS system the recipient must accept it for your liability to reduce.
- Get the recipient to acknowledge the credit note; it is your evidence that they have reversed the input credit.
Example
A real-world walkthrough
Aanya Boutique on Linking Road, Mumbai sells six embroidered kurtas to Zara Fashions LLP on invoice INV/2026-27/0142 dated 18 October at Rs 2,400 each plus 5 percent GST. Two come back on 24 October because of a sizing issue, and the buyer asks for a credit note so that it can reverse the input credit and adjust the next payment.
The boutique owner enters both parties with GSTINs, the credit note number and date, the original invoice details, sales return as the reason and intra-state as the supply type. She adds one line, embroidered kurta, HSN 6204, quantity 2 at Rs 2,400 at 5 percent. The credit note shows a taxable value of Rs 4,800, CGST of Rs 120 and SGST of Rs 120, a total credit of Rs 5,040 in words, and settlement against the next invoice. She prints it, reports it in Table 9B of her October GSTR-1, and the buyer accepts it in IMS.
Frequently asked questions
When must a GST credit note be issued?
Section 34(1) of the CGST Act provides for a credit note when a tax invoice has been issued and the taxable value or tax charged in it exceeds the taxable value or tax payable, when the goods are returned by the recipient, or when the goods or services are found to be deficient. In practice that covers sales returns, post-sale discounts that were agreed in the original terms, short supply, damaged goods, rate differences, and tax charged at a wrong higher rate. The credit note must refer to the original invoice and be issued by the supplier, not the recipient; a debit note raised by the buyer for a return is a commercial document and does not by itself reduce the supplier GST liability.
What details must a credit note contain?
Rule 53 of the CGST Rules requires: name, address and GSTIN of the supplier; the nature of the document, that is, the words credit note; a consecutive serial number of up to 16 characters, unique for a financial year; the date of issue; name, address and GSTIN or unique ID of the recipient if registered, or name and address and the address of delivery with state if unregistered; the serial number and date of the corresponding tax invoice or invoices; the value of the taxable supply, the rate of tax and the amount of tax credited to the recipient; and the signature or digital signature of the supplier or an authorised representative. The generator lays out each of these, and adds the reason and settlement method, which are not mandatory but make reconciliation simpler.
How is a credit note reported in GST returns?
The supplier reports credit notes issued to registered recipients in Table 9B of GSTR-1 for the month of issue, invoice-wise, and credit notes to unregistered recipients in the same table as consolidated figures. The amounts flow into GSTR-3B and reduce the output tax for that month. The recipient sees the credit note in GSTR-2B and, under the Invoice Management System, must accept it; on acceptance the recipient reverses the input credit taken on the original invoice. If the recipient rejects the credit note, the supplier liability is not reduced. From the amendments effective 2025, the reduction in supplier liability is linked to the recipient reversing the credit, so getting the credit note acknowledged matters.
Is there a time limit for issuing a credit note with GST?
Yes. Section 34(2) says the details of a credit note must be declared in the return for the month of issue, and not later than 30 November following the end of the financial year in which the original supply was made, or the date of filing the annual return, whichever is earlier. So a credit note against an invoice dated anywhere in FY 2025-26 must be declared by 30 November 2026 at the latest. After that date a credit note can still be issued commercially, but the GST on it cannot be reduced; it becomes a financial credit note and the tax already paid stays paid. Plan year-end discounts and returns accordingly.
Can I issue a credit note for a discount given after the sale?
Only with GST reduction if the conditions in Section 15(3)(b) are met: the discount is established under an agreement entered into at or before the time of supply and is specifically linked to the relevant invoices, and the recipient reverses the input credit attributable to the discount. A year-end turnover discount agreed in the dealer agreement at the start of the year qualifies; a discount decided afterwards to settle a dispute does not. For discounts that do not qualify, issue a financial credit note that reduces the amount receivable but shows no GST, and select the no-GST option in the generator so the tax columns are omitted.
What is the difference between a credit note and a debit note?
Both are issued by the supplier under Section 34. A credit note reduces the value or tax of an earlier invoice, for returns, discounts, deficiencies or over-charging; it decreases the supplier output tax and the recipient input credit. A debit note increases the value or tax of an earlier invoice, for example when a price escalation applies after the invoice or tax was charged at a lower rate than applicable; it increases the supplier output tax and gives the recipient additional input credit. Unlike credit notes, there is no outer time limit for declaring a debit note, though the recipient can claim the extra credit only within the normal time limit. The GST invoice generator on this site can be adapted for a debit note by labelling it as such.
Do I need a credit note for a return from an unregistered customer?
Yes, if you are a registered supplier and the original sale was on a tax invoice or a B2C invoice, a credit note is the proper way to reduce your output tax when a walk-in customer returns goods and you refund them or give store credit. Credit notes to unregistered recipients are reported in GSTR-1 as consolidated figures rather than invoice-wise. For small retail returns many shops use a return memo in their billing software that generates the credit note automatically; this tool does the same thing for a business without such software. Enter the customer name and address and leave the GSTIN blank, and the note shows the recipient as unregistered.
Does this tool store my credit notes?
No. The document is rendered in your browser and nothing is sent or saved. Save the PDF with the credit note number and the original invoice number in the file name, record it in your sales register against the invoice, and enter it in GSTR-1 for the month. Keep the recipient acknowledgement, since the reduction in your liability now depends on them accepting the note.
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