Add schemeID attribute (0088 for GTIN/EAN, 0160 for GTIN-13). You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.

Is BR-64 a critical error?

Yes, BR-64 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-64 be automatically fixed?

Many instances of BR-64 can be automatically corrected using Invoice Navigator's Fixer tool. Upload your invoice and the tool will identify and fix common issues, including item standard identifier needs scheme.

Error codes · EN 16931

BR-64Fixable here

Item standard identifier needs scheme

This is the rejection, word for word: „[BR-64] If item has standard identifier, scheme must be specified.“

What to have readyThe missing value from your purchase order, contract or bookkeeping.

What we doInvoice Navigator automatically fixes this issue by correcting the `cbc:ID` element in your Invoice (BR-64).

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:ClassifiedTaxCategory>
  <!-- cbc:ID is missing -->
</cac:ClassifiedTaxCategory>

After

<cac:ClassifiedTaxCategory>
  <cbc:ID>valid-value</cbc:ID>
</cac:ClassifiedTaxCategory>

What the finding looks likeExample

FindingValue missing · BR-64

Location//cac:InvoiceLine/cac:Item/cac:StandardItemIdentification/cbc:ID/@schemeID

From youThe missing value

ThenPassed

ProofSHA-256 and /verify link after the check

Often appears together with

BR-65Item classification identifier needs scheme