# Peppol BIS Billing 3.0 Credit Note

> The credit note of Peppol BIS Billing 3.0: a UBL 2.1 CreditNote with the same specification identifier and rule sets as the invoice. It corrects or cancels an earlier invoice.

- Publisher: [OpenPeppol](https://docs.peppol.eu/poacc/billing/3.0/)
- Version: 3.0.20
- Specification: [UBL Credit Note syntax (docs.peppol.eu)](https://docs.peppol.eu/poacc/billing/3.0/syntax/ubl-creditnote/tree/)
- Syntax: OASIS UBL 2.1
- Root element: CreditNote
- Specification identifier (BT-24): `urn:cen.eu:en16931:2017#compliant#urn:fdc:peppol.eu:2017:poacc:billing:3.0`
- Detected when: A UBL file with the CreditNote root element that is not an XRechnung.

## Checks

1. XSD: OASIS UBL 2.1 Credit Note (UBL-CreditNote-2.1.xsd)
2. [EN 16931 (UBL)](https://peppolvalidator.com/rules/sets/en16931-ubl): 979 rules (281 fatal, 698 warning)
3. [Peppol BIS Billing 3.0](https://peppolvalidator.com/rules/sets/peppol-bis-billing-3): 159 rules (135 fatal, 24 warning)

## Sample file

https://peppolvalidator.com/samples/peppol-bis-billing-3-credit-note.xml passes the XSD check and every rule set above.

## Validate

Validate a Peppol credit note: https://peppolvalidator.com/#validate (the schema is detected from the file), or POST the XML to https://peppolvalidator.com/api/v1/validate.