BR-64:Item standard identifier needs scheme
Fix: Invoice Navigator automatically fixes this issue by correcting the `cbc:ID` element in your Invoice (BR-64). Upload your invoice to fix this automatically.
If item has standard identifier, scheme must be specified.
Engine Classification
Add default item standard identifier scheme ID (GTIN/EAN)
Confidence: 85% · Applied automatically in pipeline
What is BR-64?
BR-64 is a fatal validation rule defined in the EN 16931 specification. It validates the @schemeID element under StandardItemIdentification > ID in the UBL invoice XML.
When this rule fires, the invoice is rejected by Peppol access points and never reaches the buyer.
Target path: //cac:InvoiceLine/cac:Item/cac:StandardItemIdentification/cbc:ID/@schemeID
Why This Error Matters
Invoice rejected. The scheme tells receivers how to look up the product in their systems.
BR-64 is a hard failure — the invoice must be corrected and re-sent before it can reach the recipient.
Invoice Navigator can automatically correct this error in your pipeline. The fix is applied with full audit evidence, so your compliance trail remains intact.
Validator Behavior
- ·Causes invoice rejection
- ·Error returned: BR-64
- ·Specification: EN 16931
How to Fix It
Find standard ID
Locate StandardItemIdentification/ID
Add scheme
Use schemeID like 0088 for EAN/GTIN
Before / After
<cac:ClassifiedTaxCategory> <!-- cbc:ID is missing --> </cac:ClassifiedTaxCategory>
<cac:ClassifiedTaxCategory> <cbc:ID>valid-value</cbc:ID> </cac:ClassifiedTaxCategory>
Technical Reference
//cac:InvoiceLine/cac:Item/cac:StandardItemIdentification/cbc:ID/@schemeIDCommon Causes
- ·Item standard identifier without scheme identifier
- ·StandardItemIdentification/ID missing schemeID
- ·Product code present but coding scheme not specified
- ·Template missing schemeID on item identifier
- ·GTIN/EAN exported without scheme attribute
Seeing this in production? The API handles BR-64 automatically. See the fix response →
Frequently Asked Questions
If item has standard identifier, scheme must be specified.
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.
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.
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.
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Last updated: 27 February 2026
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