Credit Note: What It Is and When to Use It
A document that reduces the amount owed on an invoice already issued.
What Is a Credit Note?
A credit note reduces what a buyer owes on an invoice that has already been issued. It is a separate document, not an edit: the original invoice stays exactly as it was, and the credit note records the reduction against it.
That separation is the whole point. Deleting or rewriting a sent invoice destroys the audit trail and leaves the buyer holding a document that no longer matches your records. A credit note leaves both versions intact and explains the difference.
Credit notes are issued for returns, short deliveries, agreed price adjustments, billing errors in the buyer’s favour, and goodwill discounts. Some businesses call the same document a credit memo.
When to Use It
- A buyer returns goods, in whole or in part.
- You over-billed — wrong quantity, wrong rate, or a duplicated line.
- Goods arrived damaged, short, or not as described and you are adjusting the charge.
- You have agreed a discount or goodwill reduction after the invoice went out.
Who Uses It
- Retailers and wholesalers processing returns
- Service businesses correcting a billing error
- Anyone who has issued an invoice they cannot simply delete
- Accounts teams reconciling disputed invoices
Benefits of a Credit Note
- Corrects a charge without destroying the original record.
- Gives the buyer a document their system can post against the original invoice.
- Keeps your numbering sequence intact and auditable.
- Makes the reason for every adjustment explicit and traceable.
Fields to Include on a Credit Note
The fields below are the ones businesses commonly include. They are a practical starting point, not a statement of what any particular country requires.
- The words "Credit Note" clearly on the document
- Your details and the buyer’s details
- A credit note number from its own sequence, plus the issue date
- The original invoice number and date being credited
- Description and amount of each line being credited
- Any tax being credited, shown at the same rate as the original
- Total credit amount and currency
- The reason for the credit
Common Credit Note Mistakes
Editing the original invoice instead
Changing a sent invoice leaves you and the buyer holding different documents with the same number. Issue a credit note.
Not referencing the original invoice
An unlinked credit note cannot be matched, so it sits unapplied while the invoice stays flagged as unpaid.
Forgetting the tax portion
If tax was charged on the original line, the credit needs to reverse the tax at the same rate, not just the net.
Using positive amounts ambiguously
Be explicit about direction. A credit note that reads like an invoice will occasionally be paid rather than applied.
Credit Note Best Practices
- 1Keep a separate, continuous numbering series for credit notes.
- 2Always cite the original invoice number and date on the credit note.
- 3State the reason in a sentence — "2 of 10 units returned, damaged in transit".
- 4Mirror the original tax treatment exactly rather than recalculating from the net.
- 5Send the credit note as soon as it is agreed, not at month end.
Credit Note FAQs
What is the difference between a credit note and an invoice?
An invoice increases what the buyer owes; a credit note decreases it. A credit note always references the invoice it is adjusting, and it never replaces that invoice.
Is a credit note the same as a refund?
No. A credit note is an accounting document reducing what is owed. A refund is a movement of money. A credit note may lead to a refund, or it may simply be offset against the next invoice.
Can I just delete the invoice instead?
Deleting a sent invoice breaks the audit trail and leaves the buyer with a document you no longer have. A credit note preserves both records and explains the change. Retention and correction rules vary by jurisdiction — check your local requirements.
How do I create a credit note?
Build it as a document titled "Credit Note", give it its own number, reference the original invoice, and list only the lines being credited. PDF Invoice Pro supports custom document titles and downloads to PDF for free.
Create a Credit Note Now — Free
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Related Invoice Types
- Debit NoteA document that increases the amount owed on an invoice already issued.
- Tax InvoiceAn invoice that itemises the tax charged on a sale as a separate line.
- Partial Payment InvoiceAn invoice for one instalment of an amount being paid in parts.
- Past Due InvoiceA reissued invoice or notice for an amount that has passed its due date.
Credit Note Templates
This page explains the document. If you just want to produce one, these templates open the free generator pre-configured with the right line items and tax fields.
Browse all invoice templates by industry →Further reading
Guides on this site that go deeper on the topics above.