BT-126

Invoice line identifier

Raw

Unique identifier of the line within the invoice, usually a simple running number (1, 2, 3 …). Mandatory for every line; serves as the anchor for queries and references.

Where does it live in the XML?

UBL (XRechnung)
cac:InvoiceLine/cbc:ID
CII (XRechnung, ZUGFeRD, Factur-X)
ram:IncludedSupplyChainTradeLineItem/ram:AssociatedDocumentLineDocument/ram:LineID

Part of BG-25 Invoice line

Validate your invoice for free

The Billhorse validator checks XRechnung, ZUGFeRD and Factur-X right in your browser — your file is never uploaded.

Open the validator

← All EN 16931 terms
Semantics: EN 16931-1. Simplified explanation in our own words — the norm is authoritative.