What causes the BR-CO-12 error?

Line extension total must equal the sum of all line net amounts.

How do I fix BR-CO-12?

Recalculate the value in `cbc:Amount` to match the expected formula. Verify all contributing amounts are correct (BR-CO-12). This error involves a protected field — Invoice Navigator flags it in your pipeline so your team can correct it at the source.

Is BR-CO-12 a critical error?

Yes, BR-CO-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.

Can BR-CO-12 be automatically fixed?

BR-CO-12 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.

Which accounting software causes BR-CO-12?

BR-CO-12 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-CO-12Partly

Sum of charges on document level (BT-108) = Σ Document level charge amount...

This is the rejection, word for word: „[BR-CO-12] Sum of charges on document level (BT-108) = Σ Document level charge amount (BT-99).. Verify the value in `cbc:Amount` matches the expected calculation.“

What to have readyThe correct figures from your bookkeeping; we show you which field is affected.

What we doRecalculate the value in `cbc:Amount` to match the expected formula. Verify all contributing amounts are correct (BR-CO-12).

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

<cac:AllowanceCharge[ChargeIndicator=true]>
  <cbc:Amount>999.99</cbc:Amount>
  <!-- Does not match expected calculation -->
</cac:AllowanceCharge[ChargeIndicator=true]>

After

<cac:AllowanceCharge[ChargeIndicator=true]>
  <cbc:Amount>100.00</cbc:Amount>
  <!-- Matches expected calculation -->
</cac:AllowanceCharge[ChargeIndicator=true]>

What the finding looks likeExample

FindingNeeds your check · BR-CO-12

Location/Invoice/cac:LegalMonetaryTotal/cbc:LineExtensionAmount

From youThe correct figures

ThenChecked again

ProofSHA-256 and /verify link after the check

Often appears together with

BR-11Buyer country code is mandatory BR-CO-11Sum of document allowances must equal total allowance amount