BT-18 - Invoiced object identifier
An identifier of the object the invoice refers to, such as a meter, subscription or asset. A scheme identifier may qualify the type of object identified.
BT-18 - Invoiced object identifier
An identifier of the object the invoice refers to, such as a meter, subscription or asset. A scheme identifier may qualify the type of object identified.
Definition
An identifier of the object the invoice refers to, such as a meter, subscription or asset. A scheme identifier may qualify the type of object identified.
Syntax mapping
Where this term appears in each of the three EN 16931 syntaxes.
| Syntax | Path |
|---|---|
| UBL 2.1 | cac:AdditionalDocumentReference/cbc:ID |
| UN/CEFACT CII | ram:ApplicableHeaderTradeAgreement/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: CEN EN 16931-1 + CEN/TS 16931-3-2 (UBL) & -3-3 (CII) · Last verified: 2026-07-10
All business terms