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BR-55:Prepayment should reference prepayment invoice

When PrepaidAmount is used, reference the prepayment invoice.

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NEEDS INPUT

Requires user input: The invoice number of the preceding/related invoice. Cannot derive because this references a specific external document.

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Why This Error Matters

Invoice rejected. Credit notes and corrections must reference the original invoice for reconciliation.

How to Fix It

1

Add PrepaidPayment

If PrepaidAmount in totals

2

Reference invoice

ID of prepayment/advance invoice

3

Include amount

PaidAmount matches PrepaidAmount

Code Example

<cac:PrepaidPayment>
  <cbc:ID>ADV-2024-00123</cbc:ID>
  <cbc:PaidAmount currencyID="EUR">200.00</cbc:PaidAmount>
  <cbc:ReceivedDate>2024-11-01</cbc:ReceivedDate>
</cac:PrepaidPayment>
<cac:LegalMonetaryTotal>
  <cbc:PrepaidAmount currencyID="EUR">200.00</cbc:PrepaidAmount>
</cac:LegalMonetaryTotal>

Technical Details

XPath: /Invoice/cac:PrepaidPayment

Common Causes

  • Preceding invoice reference section without invoice number
  • BillingReference/InvoiceDocumentReference/ID empty
  • Credit note referencing invoice but number not filled
  • Template has reference structure but ID not mapped
  • Related invoice number stored in wrong field

Commonly Seen In

All invoicing software

Frequently Asked Questions

When PrepaidAmount is used, reference the prepayment invoice.
Add PrepaidPayment with reference to prepayment. You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.
BR-55 is a warning that may not always cause rejection, but it indicates a potential compliance issue that should be addressed to ensure full compatibility.
Many instances of BR-55 can be automatically corrected using Invoice Navigator's Fixer tool. Upload your invoice and the tool will identify and fix common issues, including prepayment should reference prepayment invoice.
BR-55 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

BR-13

Invoice total without VAT required

BR-CO-16

Payable amount calculation error

Last updated: 18 January 2026

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