BR-24:Amount currency must match document currency
Fix: Add the required `cbc:LineExtensionAmount` element to your Invoice. Ensure it contains a valid value per EN 16931 (BR-24).
Each Invoice line (BG-25) shall have an Invoice line net amount (BT-131).. Check the `cbc:LineExtensionAmount` element in your invoice XML.
Engine Classification
Financial or legal field · Modification blocked by policy
Reason: Currency mismatches in monetary amounts cannot be auto-corrected as they may involve exchange rate calculations, accounting policies, or data integrity issues that require verification from the original transaction source
What is BR-24?
BR-24 is a fatal validation rule defined in the EN 16931 specification. It validates the @currencyID 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: XPath: //@currencyID
Why This Error Matters
Invoice rejected. Line amounts are required for invoice total calculation and verification.
BR-24 is a hard failure — the invoice must be corrected and re-sent before it can reach the recipient.
Validator Behavior
- ·Causes invoice rejection
- ·Error returned: BR-24
- ·Specification: EN 16931
How to Fix It
Get document currency
From DocumentCurrencyCode
Check all amounts
Every currencyID must match
Exception
Tax amounts may use TaxCurrencyCode if specified
Before / After
<cac:InvoiceLine> <!-- cbc:LineExtensionAmount is missing --> </cac:InvoiceLine>
<cac:InvoiceLine> <cbc:LineExtensionAmount>valid-value</cbc:LineExtensionAmount> </cac:InvoiceLine>
Technical Reference
XPath: //@currencyIDCode Example
<cbc:DocumentCurrencyCode>EUR</cbc:DocumentCurrencyCode>
<!-- All amounts must use currencyID="EUR" -->
<cbc:TaxExclusiveAmount currencyID="EUR">1000.00</cbc:TaxExclusiveAmount>
<cbc:TaxInclusiveAmount currencyID="EUR">1210.00</cbc:TaxInclusiveAmount>Common Causes
- ·Line net amount (LineExtensionAmount) not calculated
- ·Amount field not mapped in export template
- ·Price × quantity computed but not stored in line total
- ·Line discounts not applied to extension amount
- ·Monetary calculation failed for one or more lines
Seeing this in production? The API handles BR-24 automatically. See the fix response →
Commonly Seen In
Frequently Asked Questions
All monetary amounts must have currencyID matching DocumentCurrencyCode.
Add the required `cbc:LineExtensionAmount` element to your Invoice. Ensure it contains a valid value per EN 16931 (BR-24). This error involves a protected field — Invoice Navigator flags it in your pipeline so your team can correct it at the source.
Yes, BR-24 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.
BR-24 involves a financial or legal field that cannot be auto-modified by policy. Invoice Navigator detects and flags this error immediately, but the correction must be made manually in your ERP or invoicing software.
BR-24 is commonly seen in exports from All invoicing software. These software packages sometimes generate invoices that need adjustment to meet full compliance standards.
Related Errors
Related Content
Last updated: 15 April 2026
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