This requires user input to resolve. Provide the correct reference in `cac:BillingReference` for the PrepaidAmount Invoice. Invoice Navigator detects this error and prompts for the required business data before applying a safe fix.

Is BR-55 a critical error?

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.

Can BR-55 be automatically fixed?

BR-55 requires specific business data to resolve. Invoice Navigator detects the error and guides you through providing the needed information, then applies the fix with full audit documentation.

Which accounting software causes BR-55?

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.

Error codes · EN 16931

BR-55Fixable here

Each Preceding Invoice reference shall contain invoice reference

Q: What causes the BR-55 error?

When PrepaidAmount is used, reference the prepayment invoice.

This is the rejection, word for word: „[BR-55] Each Preceding Invoice reference (BG-3) shall contain a Preceding Invoice reference (BT-25).“

What to have readyPrepayment Invoice Number

What we doThis requires user input to resolve. Provide the correct reference in `cac:BillingReference` for the PrepaidAmount Invoice.

Choose the rejected invoiceor drop it here

XRechnung XML or ZUGFeRD PDF. Checking is free · corrected file €1.90 · the first every 30 days is free · no sign-up.

If you enter it yourself in your invoicing software

Before

<Invoice>
  <!-- Issue: When PrepaidAmount is used, reference the prepayment invoice -->
</Invoice>

After

<Invoice>
  <!-- Issue resolved per EN 16931 -->
</Invoice>

What the finding looks likeExample

FindingValue missing · BR-55

Location/Invoice/cac:PrepaidPayment

From youPrepayment Invoice Number

ThenPassed

ProofSHA-256 and /verify link after the check

Often appears together with

BR-13Invoice total amount without VAT required BR-CO-16Payable amount calculation error