errorPEPPOL_BIS
PEPPOL-EN16931-R055:Invoice total VAT amount and Invoice total VAT amount in accounting currency MUST have the same operational sign
The invoice total VAT amount and VAT amount in accounting currency must have the same sign (both positive or both negative). They cannot have opposite signs.
We can fix this automatically
AUTO-FIXAuto-fix: Ensure accounting currency VAT has same sign as invoice currency VAT. Adjust sign to match primary VAT amount.
No manual changes needed
Upload and Fix NowWhy This Error Matters
Invoice will be rejected by PEPPOL validation. VAT amounts must be consistently positive or negative across currencies.
Common Causes
- Currency conversion resulted in sign flip
- Manual entry error with wrong sign
- One amount corrected without updating other
- Credit note handling inconsistency
- Calculation error in currency conversion
Frequently Asked Questions
The invoice total VAT amount and VAT amount in accounting currency must have the same sign (both positive or both negative). They cannot have opposite signs.
The invoice total VAT amount and VAT amount in accounting currency must have the same sign (both positive or both negative). They cannot have opposite signs. You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.
Yes, PEPPOL-EN16931-R055 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted.
Many instances of PEPPOL-EN16931-R055 can be automatically corrected using Invoice Navigator's Fixer tool. Upload your invoice and the tool will identify and fix common issues.
Last updated: 16 January 2026
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