errorbusinessEN 16931

`BR-DEC-18`:Payable amount: max 2 decimals

Fix: Invoice Navigator automatically fixes this issue by correcting the `cbc:PayableAmount` element in your Invoice. Upload your invoice to fix this automatically.

PayableAmount allows maximum 2 decimal places.

Severity

Fatal

Rule set

EN 16931

Country

All EU

Fix type

AUTO-FIX

Confidence

95%

Engine Classification

Round amount due for payment to 2 decimal places per EN16931

Confidence: 95% · Applied automatically in pipeline

What is BR-DEC-18?

BR-DEC-18 is a fatal validation rule defined in the EN 16931 specification. It validates the PayableAmount 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:PayableAmount

Fix this error

Why This Error Matters

Invoice will be rejected by validation. Amount due is the actual payment amount and must have proper precision for payment processing.

BR-DEC-18 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-18
·Specification: EN 16931

How to Fix It

Check payable

This is the amount to be paid

Round

Must be 2 decimals for payment

Before / After

Failing XML

<cac:LegalMonetaryTotal>
  <cbc:PayableAmount>100.123456</cbc:PayableAmount>
  <!-- Too many decimal places -->
</cac:LegalMonetaryTotal>

Corrected XML

<cac:LegalMonetaryTotal>
  <cbc:PayableAmount>100.00</cbc:PayableAmount>
  <!-- Correct decimal places -->
</cac:LegalMonetaryTotal>

Technical Reference

XPath//cac:LegalMonetaryTotal/cbc:PayableAmount

SpecEN 16931

Operationnormalize

StrategyRound amount due for payment to 2 decimal places per EN16931

Common Causes

·Calculation from total minus prepaid produced extra decimals
·Rounding adjustment created excess precision
·ERP exports amount due with full precision
·Component amounts not properly rounded
·Currency formatting not applied to final amount

Seeing this in production? The API handles BR-DEC-18 automatically. See the fix response →

Frequently Asked Questions

PayableAmount allows maximum 2 decimal places.

Round final payable amount to 2 decimals. You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.

Yes, BR-DEC-18 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-18 can be automatically corrected using Invoice Navigator's Fixer tool. Upload your invoice and the tool will identify and fix common issues, including payable amount: max 2 decimals.

Related Errors

BR-DEC-16Paid amount: max 2 decimals

Validate your invoice

Drop your XML here to check for BR-DEC-18

Upload XML

Auto-fix BR-DEC-18 in seconds

Upload your invoice and we fix this error automatically. Financial fields are never touched.

Fix it now Automate via API

BR-DEC-18:Payable amount: max 2 decimals