BT-128 - Invoice line object identifier
An identifier for an object on which the invoice line is based, given by the Seller (e.g. a subscription or metering number).
BT-128 - Invoice line object identifier
An identifier for an object on which the invoice line is based, given by the Seller (e.g. a subscription or metering number).
Definition
An identifier for an object on which the invoice line is based, given by the Seller (e.g. a subscription or metering number).
Syntax mapping
Where this term appears in each of the three EN 16931 syntaxes.
| Syntax | Path |
|---|---|
| UBL 2.1 | cac:InvoiceLine/cac:DocumentReference/cbc:ID |
| UN/CEFACT CII | rsm:SupplyChainTradeTransaction/ram:IncludedSupplyChainTradeLineItem/ram:SpecifiedLineTradeSettlement/ram:AdditionalReferencedDocument/ram:IssuerAssignedID |
| Factur-X / ZUGFeRD | Factur-X profile: EN 16931 |
The lowest Factur-X / ZUGFeRD profile in which this term is available.
Validation rules for this term
The EN 16931 / Peppol / XRechnung rules that reference this term.
Validate an invoice carrying this term
This term is defined by EN 16931. Check your invoice with the validator that matches your format:
Related terms
Source: EN 16931 semantic model. UBL paths checked against the official OASIS UBL 2.1 schema; rule links from the EN 16931 validation artefacts (EUPL 1.2, release 1.3.16) · Last verified: 2026-07-15
Not verified against: CEN/TS 16931-3-2 (UBL) and -3-3 (CII), the authoritative syntax bindings: paid specifications, not consulted
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