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Warning

UBL-CR-566: The item on a line should not carry a hazard flag

In short

Warning: worth checking.

UBL-CR-566 means the item on an invoice or credit note line contains a hazardous risk indicator (cbc:HazardousRiskIndicator), which EN 16931 does not use. Remove the flag from the invoice XML. If you need to include hazard information, put it in the item description rather than relying on this flag.

On this page

What it means

The item on every invoice or credit note line should not contain a cbc:HazardousRiskIndicator element. In UBL it indicates whether the goods are hazardous. The check concerns the presence of the element, regardless of whether its value is true or false.

Why it matters

The EN 16931 UBL rules do not use this separate hazard flag on invoice or credit note lines.

How to fix it

Omit cbc:HazardousRiskIndicator from the invoice export without clearing hazard information from your product records. If you need to include that information, put it in the item description or in an attachment such as a safety data sheet. If you build the XML yourself, delete cbc:HazardousRiskIndicator from cac:Item on each cac:InvoiceLine or cac:CreditNoteLine, then recheck the file.

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 HazardousRiskIndicator

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
Rule text from phive-rules 4.6.4.

Check your file

Drop your e-invoice to see whether UBL-CR-566 still fails, and which other rules do.

Updated 6 November 2026