Mistakes can happen when sending invoices. A customer may return a product, receive the wrong quantity, or find an incorrect price. When this happens, businesses need a way to correct the original invoice.
This is where a credit note comes in.
A credit note helps businesses reduce or reverse an amount that was already invoiced. It is also an important part of e-invoicing and tax reporting.
So, what is a credit note, when should you use one, and how does it work with electronic invoices?
What is a Credit Note?
A credit note is a document a seller issues to a buyer to reduce or cancel an amount on a previous invoice.
For example, a supplier sends an invoice for 100 products. The customer receives only 90 products and reports the missing items.
Instead of changing the original invoice, the supplier can issue a credit note for the 10 missing products.
The credit note records the adjustment and helps both businesses keep their financial records correct.
In electronic invoicing, a credit note is created and exchanged digitally using the format required by the receiving system.
How Do Credit Notes Work in e-Invoicing?
An electronic credit note works much like a regular credit note, but the process happens through accounting software or an e-invoicing platform.
First, the seller finds the invoice that needs correcting. Then, they create a credit note with the correct amount and reason for the adjustment.
The system may send the document to the buyer through Peppol or a government e-invoicing platform.
Once processed, the credit note reduces the relevant amount in the accounting records.
For example, if an invoice is worth €1,000 and the seller issues a €200 credit note, the remaining amount is €800, assuming no earlier payments or other adjustments.
This makes corrections easier to track.
Uses of Credit Note
There are several common uses of credit note documents in everyday business.
- Returned or Damaged Goods: If a customer returns a damaged product, the seller can issue a credit note for its value.
- Pricing or Quantity Errors: A credit note can correct an invoice that includes too many items or a price higher than agreed.
- Post-Invoice Discounts and Rebates: Sometimes a seller offers a discount after issuing an invoice. A credit note records the reduction.
- Cancelled Orders or Services: If an invoiced service is cancelled, a credit note may reduce or reverse the charge, depending on the contract and tax rules.
- Overbilling and Duplicate Charges: When a business charges too much or invoices the same transaction twice, a credit note can help correct the records.
When to Use a Credit Note Instead of Cancelling an e-Invoice?
The answer depends on whether the original invoice has already been issued and accepted.
If an invoice is still a draft, it can usually be edited or deleted. The e-invoice cancellation process is not the same in every country. Some systems allow cancellation within a certain period, while others require a credit note to correct an invoice that has already been accepted.
If it has already been submitted to an official e-invoicing system, cancellation may not be possible.
In many countries, businesses must issue a credit note or correction invoice rather than remove the original document.
This keeps a record of both the original transaction and its correction.
E-invoice cancellation rules vary by country, so businesses should check the requirements before making changes.
How Are Credit Notes Handled in e-Invoicing by Country?
Different countries have different rules for issuing and reporting electronic credit notes.
Poland (KSeF)
Poland uses the National e-Invoicing System, known as KSeF.
Once an invoice is accepted into KSeF, it cannot simply be edited. The seller must issue a correcting invoice, called a faktura korygująca.
The correction includes information about the original invoice and is processed through KSeF under the applicable rules.
Italy (SDI)
Italy uses the Sistema di Interscambio (SDI) for electronic invoicing.
Businesses generally issue a nota di credito when they need to reduce or reverse an invoiced amount.
The electronic document uses the relevant FatturaPA document type, commonly TD04, and is transmitted through SDI.
Germany
Germany supports structured electronic invoices using standards such as XRechnung and ZUGFeRD.
A correction may be issued as a corrected invoice or commercial credit note, depending on the transaction.
The correct document type and reference details are important. Businesses should also distinguish a commercial credit note from German VAT self-billing documents.
France
France introduced its electronic invoicing reform in September 2026.
Large and medium-sized businesses are required to issue electronic invoices for covered transactions, while smaller businesses follow in September 2027. All covered businesses must be able to receive electronic invoices from September 2026.
Credit notes, known as avoirs, must follow the applicable electronic invoicing requirements when correcting covered transactions.
Saudi Arabia (ZATCA)
Saudi Arabia’s ZATCA system includes electronic credit and debit notes.
Credit notes must refer to the original invoice and follow the relevant ZATCA technical requirements.
The transmission process depends on whether the document is a standard or simplified tax credit note.
Malaysia (MyInvois)
Malaysia uses the MyInvois system for electronic invoicing.
Businesses can issue credit notes to reduce the value of earlier invoices, such as when goods are returned or discounts are given.
Credit notes must follow the applicable validation and original-invoice reference rules.
What Information Must an e-Invoice Credit Note Include?
A credit note should contain enough information to explain the correction.
Important details usually include:
- Credit note number and issue date
- Seller and buyer information
- Original invoice number and relevant reference details
- Reason for issuing the credit note
- Description of corrected goods or services
- Amount being reduced or credited
- Applicable VAT rates and tax adjustments
- Currency and required document type code
Some countries require additional fields. Always follow the applicable local e-invoicing format.
How to Issue a Credit Note in e-Invoicing? (Step-by-Step)
Step 1: Identify the Original e-Invoice and the Reason for Correction
Find the original invoice and check what needs to change.
This could be a returned product, incorrect price, or cancelled service.
Step 2: Select the Correct Document Type Code
Choose the document type required by the e-invoicing system.
For example, Peppol BIS Billing 3.0 commonly uses code 381 for a credit note.
Step 3: Reference the Original Invoice Number and Date
Enter the original invoice details as required by the system.
This helps connect the credit note to the correct transaction.
Step 4: Enter the Corrected Amounts and VAT
Calculate the credit amount and related tax adjustment.
Check that the values are correct before submitting the document.
Step 5: Submit Through the Required Channel (Peppol, Clearance Platform)
Send the credit note using the required electronic channel.
This may be Peppol, an approved service provider, or a government platform.
Step 6: Reconcile and Archive Both Documents
Update your accounting records and keep both the original invoice and credit note.
This provides a clear record for accounting and tax compliance.
Credit Note Example
Here is a simple credit note example.
A company sells office equipment worth €1,000, excluding VAT. The customer returns equipment worth €200.
The seller issues the following credit note.
CREDIT NOTE
| Field | Details |
| Credit Note Number | CN-2026-015 |
| Issue Date | October 22, 2026 |
| Original Invoice | INV-2026-100 |
| Seller | ABC Office Supplies |
| Buyer | XYZ Business Ltd. |
| Reason | Returned equipment |
| Credit Amount Before VAT | €200.00 |
| VAT (20%) | €40.00 |
| Total Credit | €240.00 |
The VAT rate is illustrative and assumes the original supply was subject to 20% VAT.
The seller records a €240 reduction, and the buyer updates their records.
What Are Common Mistakes When Issuing e-Invoice Credit Notes?
Some mistakes can cause rejected documents or incorrect accounting records.
Common problems include using the wrong document type, entering an incorrect original invoice reference, calculating VAT incorrectly, or sending the credit note through the wrong platform.
Another mistake is creating a new invoice instead of properly correcting the original transaction.
Checking the document before submission can prevent many of these problems.
Credit Note vs Debit Note: Key Differences
Credit notes and debit notes are both used to adjust transactions, but they have different purposes.
| Credit Note | Debit Note |
| Usually reduces the amount owed by the buyer | Often increases the amount owed by the buyer |
| Commonly used for returns and discounts | Commonly used for additional charges |
| Can correct overbilling | Can correct underbilling |
| May reduce the seller’s output VAT | May increase the seller’s output VAT |
| Often issued by the seller | Issuer depends on local rules and the type of adjustment |
The exact accounting and tax treatment depends on local law.
How Do Credit Notes Affect VAT Reporting?
Credit notes can change the VAT amount related to a sale. With the growing use of e-invoicing in Europe, businesses need to follow local rules when correcting invoices. Some countries require credit notes to be submitted through official platforms, while others accept different electronic formats.
Correct VAT reporting is important when issuing a credit note. Both the seller and buyer need to record the adjustment correctly to avoid mistakes in their tax records.
For example, if a business issues an invoice for €1,000 plus €200 VAT and later credits €200 of the sale, a corresponding €40 VAT adjustment may be needed.
The seller may reduce the VAT previously reported, while the buyer may need to adjust their input VAT deduction.
However, the timing and conditions depend on local VAT regulations.
Keeping correct credit note records is essential for accurate VAT reporting and tax compliance.
FAQs About Credit Notes in e-Invoicing
Is a credit note the same as a negative invoice?
Not always. Both can reduce an invoiced amount, but they may use different document types and reporting rules. Peppol supports credit notes and certain negative invoice scenarios.
Can a credit note be issued without referencing an original invoice?
This depends on the country and transaction. Some systems require an original invoice reference. Others allow certain credits without one.
Is there a time limit for issuing a credit note?
Time limits vary by country and the reason for the correction. Businesses should check local tax rules before issuing one.
Can a credit note be cancelled?
Sometimes. A correction may be possible, but accepted electronic credit notes cannot always be deleted or cancelled. The correct procedure depends on the e-invoicing platform.
Do credit notes have to be sent through Peppol?
No. Peppol is one method of exchanging electronic credit notes. Some countries require businesses to use a national tax platform or another approved channel instead.