PEPPOL-EN16931-P0107:Tax Category AE MUST be used when exemption reason code is VATEX-EU-AE
Fix: Invoice Navigator automatically fixes this Invoice compliance issue by updating the relevant XML elements (PEPPOL-EN16931-P0107). Upload your invoice to fix this automatically.
VAT category AE (Reverse charge) requires exemption reason code VATEX-EU-AE. Reverse charge must use correct code.
Engine Classification
Remove XML processing instructions not allowed in Peppol invoices
Confidence: 95% · Applied automatically in pipeline
What is PEPPOL-EN16931-P0107?
PEPPOL-EN16931-P0107 is a fatal validation rule defined in the Peppol BIS 3.0 specification. It validates the processing_instructions 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: processing_instructions
Why This Error Matters
Invoice will be rejected by PEPPOL validators. PEPPOL BIS Billing enforces specific format, type code, and VAT exemption code consistency requirements.
PEPPOL-EN16931-P0107 is a hard failure — the invoice must be corrected and re-sent before it can reach the recipient.
Invoice Navigator can automatically correct this error in your pipeline. The fix is applied with full audit evidence, so your compliance trail remains intact.
Validator Behavior
- ·Causes invoice rejection
- ·Rejected by PEPPOL Access Points
- ·Error returned: PEPPOL-EN16931-P0107
- ·Specification: Peppol BIS 3.0
How to Fix It
Locate the disallowed element
Open your invoice XML and find processing_instructions at processing_instructions. This element is not permitted in the target e-invoice profile and triggers PEPPOL-EN16931-P0107.
Remove processing_instructions
Delete the entire processing_instructions block and its child elements. Invoice Navigator automatically fixes this Invoice compliance issue by updating the relevant XML elements (PEPPOL-EN16931-P0107).
Re-validate your invoice
Upload the corrected invoice to confirm PEPPOL-EN16931-P0107 is resolved. If your software consistently adds this element, contact your vendor about their e-invoice export settings.
Before / After
<Invoice> <!-- Issue: Tax Category AE MUST be used when exemption reason code is V --> </Invoice>
<Invoice> <!-- Issue resolved per Peppol BIS 3.0 --> </Invoice>
Technical Reference
processing_instructionsCommon Causes
- ·VATEX-EU-AE exemption code used without category AE
- ·Reverse charge exemption requires category AE
- ·BT-121 is VATEX-EU-AE but BT-118 is not AE
- ·Mismatch between exemption code and VAT category
- ·Reverse charge needs VAT category AE
Seeing this in production? The API handles PEPPOL-EN16931-P0107 automatically. See the fix response →
Frequently Asked Questions
VAT category AE (Reverse charge) requires exemption reason code VATEX-EU-AE. Reverse charge must use correct code.
Invoice Navigator automatically fixes this Invoice compliance issue by updating the relevant XML elements (PEPPOL-EN16931-P0107). You can also use Invoice Navigator's compliance engine to correct this automatically in your pipeline.
Yes, PEPPOL-EN16931-P0107 is a critical error that will cause invoice rejection. It must be fixed before submission.
Many instances of PEPPOL-EN16931-P0107 can be automatically corrected using Invoice Navigator's compliance engine. The fix is applied in your pipeline with full audit evidence.
Related Content
Last updated: 14 April 2026
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