PEPPOL-EN16931-R005:VAT accounting currency code MUST be different from invoice currency code...
Fix: Invoice Navigator automatically fixes this Invoice compliance issue by updating the relevant XML elements (PEPPOL-EN16931-R005). Upload your invoice to fix this automatically.
When a VAT accounting currency is provided, it must be different from the invoice currency. If they are the same, the VAT accounting currency field should not be used at all.
Engine Classification
Derive schemeID from country code or endpoint pattern
Confidence: 90% · Applied automatically in pipeline
What is PEPPOL-EN16931-R005?
PEPPOL-EN16931-R005 is a fatal validation rule defined in the Peppol BIS 3.0 specification. It validates the @schemeID element under Party > EndpointID in the UBL invoice XML.
When this rule fires, the invoice is rejected by Peppol access points and never reaches the buyer.
Target path: //cac:AccountingCustomerParty/cac:Party/cbc:EndpointID/@schemeID
Why This Error Matters
Invoice will be rejected by PEPPOL validation. Redundant same-currency declaration violates the specification.
PEPPOL-EN16931-R005 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-R005
- ·Specification: Peppol BIS 3.0
How to Fix It
Find the missing derived value
Check @schemeID at //cac:AccountingCustomerParty/cac:Party/cbc:EndpointID/@schemeID. This value should be computed from other fields in the invoice.
Derive the correct value
Invoice Navigator automatically fixes this Invoice compliance issue by updating the relevant XML elements (PEPPOL-EN16931-R005).
Re-validate your invoice
Upload the corrected invoice to confirm PEPPOL-EN16931-R005 is resolved.
Before / After
<Invoice> <!-- Issue: VAT accounting currency code MUST be different from invoice --> </Invoice>
<Invoice> <!-- Issue resolved per Peppol BIS 3.0 --> </Invoice>
Technical Reference
//cac:AccountingCustomerParty/cac:Party/cbc:EndpointID/@schemeIDCommon Causes
- ·VAT accounting currency set to same value as invoice currency
- ·Field populated by default with same currency
- ·Copy from multi-currency invoice without updating
- ·ERP always exports both currencies even when same
- ·Misunderstanding of when VAT accounting currency is needed
Seeing this in production? The API handles PEPPOL-EN16931-R005 automatically. See the fix response →
Frequently Asked Questions
When a VAT accounting currency is provided, it must be different from the invoice currency. If they are the same, the VAT accounting currency field should not be used at all.
Invoice Navigator automatically fixes this Invoice compliance issue by updating the relevant XML elements (PEPPOL-EN16931-R005). You can also use Invoice Navigator's compliance engine to correct this automatically in your pipeline.
Yes, PEPPOL-EN16931-R005 is a critical error that will cause invoice rejection. It must be fixed before submission.
Many instances of PEPPOL-EN16931-R005 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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