How do I fix UBL-SR-50?

Combine into one element: Ergonomic office chair, black, adjustable ... .

Peppol BIS Billing 3.0 · rule

UBL-SR-50

Layer en16931·Checked against Peppol BIS Billing 3.0 2026.5

What does UBL-SR-50 mean? Item description shall occur maximum once

Why did my invoice fail UBL-SR-50?

The Item description (BT-154) is free-text giving further detail about the invoiced item, carried as cac:InvoiceLine/cac:Item/cbc:Description. EN 16931 permits at most one description per item. More than one would make the item's descriptive text ambiguous.

Official rule text

Item description shall occur maximum once

Common causes

An invoice line's cac:Item contains two or more cbc:Description elements.
Multi-language or multi-part descriptions were emitted as separate Description elements.
A merge of catalog data produced duplicate Description nodes.

How do I fix it?

Combine into one element: <cac:Item><cbc:Description>Ergonomic office chair, black, adjustable</cbc:Description>...</cac:Item>.

Check your invoice against this rule

Paste it into the live demo, or call POST /v1/validate. See the quickstart.