What it means
An item attribute (BG-32) has a name (BT-160) and a value (BT-161) that describe the product, such as "Colour" and "Blue". This rule checks that the attribute has no identifier of its own (cbc:ID in cac:AdditionalItemProperty). It looks at every line of the invoice or credit note.
Why it matters
EN 16931 represents an item attribute using its name (BT-160) and value (BT-161), not a separate cbc:ID.
How to fix it
If you need to preserve the identifier, include it as text in the attribute value (BT-161) or item description (BT-154). Delete cbc:ID from cac:AdditionalItemProperty under cac:Item on every affected invoice line or credit note line. Check the corrected file again.
Once the file is corrected, check it again for free: Validate an invoice against EN 16931
Or fix the invoice in a form and download the corrected file, for 1 credit: Fix a rejected e-invoice
The rule as published
A UBL invoice should not include the InvoiceLine Item AdditionalItemProperty ID Where this rule applies
| Rule set | Version |
|---|---|
| EN 16931 (UBL) | 1.3.17 |
| EN 16931 (UBL credit note) | 1.3.17 |
| XRechnung 3.0 (UBL) | 3.0.2 |
| XRechnung 3.0 (UBL credit note) | 3.0.2 |
| Peppol BIS Billing 3.0 (invoice) | 2026.5 |
| Peppol BIS Billing 3.0 (credit note) | 2026.5 |
| SI-UBL 2.0 / NLCIUS (invoice) | 2.0.3.13 |
| SI-UBL 2.0 / NLCIUS (credit note) | 2.0.3.13 |
| France CTC (UBL invoice) | 1.4.0-04 |
| France CTC (UBL credit note) | 1.4.0-04 |
| CIUS-RO UBL Invoice 1.0.9 | 1.0.9 |
| CIUS-RO UBL Credit Note 1.0.9 | 1.0.9 |
Check your file
Drop your e-invoice to see whether UBL-CR-608 still fails, and which other rules do.
Related rules
- UBL-CR-609 Item attributes should not have a name code
- UBL-CR-610 Item attributes should not have a test method
- UBL-CR-611 Item attributes should not have a value quantity
- UBL-CR-612 Item attributes should not have a value qualifier
- UBL-CR-613 Item attributes should not have an importance code
- UBL-CR-614 Item attributes should not have a list value