What it means
The rule checks every discount or charge on a line (cac:AllowanceCharge) for an accounting cost code, the code the buyer uses to book the amount, such as a cost centre.
Why it matters
This is a warning. It is worth fixing if the buyer expects a cost centre on the invoice.
How to fix it
Remove cbc:AccountingCostCode from the discount or charge. If the buyer gave you a cost centre or accounting reference, enter it on the line (BT-133) or on the invoice (BT-19). Look for a field such as cost centre or accounting reference in your invoicing software.
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 AllowanceCharge AccountingCostCode 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-555 still fails, and which other rules do.
Related rules
- UBL-CR-556 A line discount or charge should not have accounting cost text
- UBL-CR-557 A line discount or charge should not have a per-unit amount
- UBL-CR-558 A line discount or charge should not have its own VAT category
- UBL-CR-559 A line discount or charge should not have its own VAT amount
- UBL-CR-560 A line discount or charge should not have payment details
- UBL-CR-561 A line should not contain its own VAT total