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Warning

UBL-CR-582: The standard item ID should not have an extended ID

In short

Warning: worth checking.

UBL-CR-582 means the standard item identification on an invoice or credit note line contains an extended ID (cbc:ExtendedID), which EN 16931 does not use. It is only a warning. Remove the extended ID and keep the standard identifier (BT-157) unchanged in cbc:ID.

On this page

What it means

The check looks for cbc:ExtendedID inside cac:Item/cac:StandardItemIdentification on every cac:InvoiceLine or cac:CreditNoteLine. The element should be absent, even if cbc:ID is missing or cbc:ExtendedID is empty. The standard item identifier (BT-157), such as a GTIN or EAN number, goes in cbc:ID inside cac:StandardItemIdentification.

Why it matters

The EN 16931 UBL rules do not use an extended identifier inside the standard item identification.

How to fix it

In your invoicing software, check the field where you enter the barcode or GTIN of the product. If a second code is exported separately, remove it or put it in the item description. If you build the XML yourself, keep the number in cbc:ID with its schemeID (for example 0160 for a GTIN) and delete cbc:ExtendedID from cac:StandardItemIdentification.

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 StandardItemIdentification ExtendedID

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-582 still fails, and which other rules do.

Updated 6 November 2026