Engine Classification
Financial or legal field · Modification blocked by policy
Reason: Factur-X is a hybrid format requiring XML to be embedded as an attachment within a PDF/A-3 document. The invoice must be regenerated using Factur-X compliant software that properly embeds the XML in the PDF.
What is FR-R-007?
FR-R-007 is a fatal validation rule defined in the factur-x specification (FRA national rules). It validates the A-3 attachment requirement element in the UBL invoice XML.
When this rule fires, the invoice is rejected by Peppol access points and never reaches the buyer.
Target path: PDF/A-3 attachment requirement
Why This Error Matters
Factur-X is a hybrid format combining PDF and XML.
FR-R-007 is a hard failure — the invoice must be corrected and re-sent before it can reach the recipient.
Validator Behavior
- ·Causes invoice rejection
- ·Rejected by Chorus Pro
- ·Error returned: FR-R-007
- ·Specification: factur-x
How to Fix It
Create PDF/A-3
Base document must be PDF/A-3 compliant
Embed XML
Attach XML as Alternative representation
XML Example
Generic example based on the rule's target XPath. Your actual XML structure may differ.
<!-- Triggers validation error --> <A-3 attachment requirement></A-3 attachment requirement>
<!-- Corrected --> <A-3 attachment requirement>VALID_VALUE</A-3 attachment requirement>
Technical Reference
PDF/A-3 attachment requirementCommon Causes
- ·XML sent separately
- ·Wrong PDF version
- ·Missing attachment
Seeing this in production? The API handles FR-R-007 automatically. See the fix response →
Frequently Asked Questions
Factur-X requires XML to be embedded as PDF attachment.
Embed XML file in PDF/A-3 format with correct relationship. This error involves a protected field — Invoice Navigator flags it in your pipeline so your team can correct it at the source.
Yes, FR-R-007 is a critical error that will cause invoice rejection. It must be fixed before submission.
Related Errors
Related Content
Last updated: 3 March 2026
Validate your invoice
Drop your XML here to check for FR-R-007
Detect FR-R-007 before submission
This error involves a financial field that can't be auto-modified. We'll flag it with a clear diagnosis so you can fix it at the source.