BR-DEC-12:Invoice total amount without VAT: max 2 decimals
Fix: Invoice Navigator automatically fixes this issue by correcting the `cbc:TaxExclusiveAmount` element in your Invoice (BR-DEC-12). Upload your invoice to fix this automatically.
The Invoice total amount without VAT (TaxExclusiveAmount, BT-109) allows a maximum of 2 decimal places.
Engine Classification
Round invoice total excl. VAT to 2 decimal places per EN16931
Confidence: 95% · Applied automatically in pipeline
What is BR-DEC-12?
BR-DEC-12 is a fatal validation rule defined in the EN 16931 specification. It validates the TaxExclusiveAmount 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: //cac:LegalMonetaryTotal/cbc:TaxExclusiveAmount
Why This Error Matters
Invoice will be rejected by validation. Tax exclusive total is critical for VAT calculations and must have proper precision.
BR-DEC-12 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
- ·Error returned: BR-DEC-12
- ·Specification: EN 16931
How to Fix It
Check total
LegalMonetaryTotal/LineExtensionAmount
Round
2 decimal places maximum
Before / After
<cac:LegalMonetaryTotal> <cbc:TaxExclusiveAmount>999.99</cbc:TaxExclusiveAmount> <!-- Does not match expected calculation --> </cac:LegalMonetaryTotal>
<cac:LegalMonetaryTotal> <cbc:TaxExclusiveAmount>100.00</cbc:TaxExclusiveAmount> <!-- Matches expected calculation --> </cac:LegalMonetaryTotal>
Technical Reference
//cac:LegalMonetaryTotal/cbc:TaxExclusiveAmountCommon Causes
- ·Calculation from components produced extra decimals
- ·ERP exports with full calculation precision
- ·Rounding not applied to final total
- ·Sum of net amounts, allowances, charges created excess precision
- ·Currency conversion on total amount
Seeing this in production? The API handles BR-DEC-12 automatically. See the fix response →
Frequently Asked Questions
LineExtensionAmount total allows max 2 decimal places.
Round total to 2 decimal places. You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.
Yes, BR-DEC-12 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted by the recipient's system.
Many instances of BR-DEC-12 can be automatically corrected using Invoice Navigator's Fixer tool. Upload your invoice and the tool will identify and fix common issues, including line extension total: max 2 decimals.
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Last updated: 27 February 2026
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