An identifier for an object on which the invoice is based (with DocumentTypeCode=130), given by the Seller, the identifier for the supporting document or the project reference identifier (DocumentTypeCode=50).

Cardinality
1..1
Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Data type
Identifier
Example value
AB23456
Business terms
BT-18, BT-122
Attributes
Use Name Description
O @schemeID

Scheme identifier
The identification scheme identifier of the Invoiced object identifier.

Example value: AUN

Rules
Identifier/Error message Flag
BR-52
Each Additional supporting document (BG-24) shall contain a Supporting document reference (BT-122).
fatal