What causes the BR-37 error?

Each TaxSubtotal must include TaxableAmount (the base for VAT calculation).

Add TaxableAmount to each TaxSubtotal. You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.

Is BR-37 a critical error?

Yes, BR-37 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-37 be automatically fixed?

Many instances of BR-37 can be automatically corrected using Invoice Navigator's Fixer tool. Upload your invoice and the tool will identify and fix common issues, including tax subtotal taxable amount required.

Which accounting software causes BR-37?

BR-37 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-37In your invoicing software

Each Document level charge (BG-21) shall have a Document level charge VAT...

This is the rejection, word for word: „[BR-37] Each Document level charge (BG-21) shall have a Document level charge VAT category code (BT-102). Check the `cac:AllowanceCharge` element in your invoice XML.“

What to have readyNothing. The file has to be re-exported from your invoicing software; we check it again afterwards.

What we doInvoice Navigator automatically fixes this issue by correcting the `cac:AllowanceCharge` element in your Invoice (BR-37).

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>
  <!-- cac:AllowanceCharge is missing -->
</Invoice>

After

<Invoice>
  <cac:AllowanceCharge>valid-value</cac:AllowanceCharge>
</Invoice>

Element order is part of the rule: if the element sits in the wrong place, the validator rejects with BR-37.

What the finding looks likeExample

FindingStructure invalid · BR-37

Location//cac:BillingReference/cac:InvoiceDocumentReference/cbc:IssueDate

From youA re-exported file

ThenRe-export

ProofSHA-256 and /verify link after the check

Often appears together with

BR-36Tax total amount required BR-CO-14Invoice total VAT amount must equal the sum of VAT category tax amounts