Can be included here or at Line level.

Namespace
cac urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2
Child elements
Card Name Description
1..1 cbc:ID

Order reference
Used to provide a reference to the order on which the despatch is based.

Example value: AEG0123456

Rules
Identifier/Error message Flag
PEPPOL-T120-B01001
Element 'cbc:ID' MUST be provided.
fatal
PEPPOL-T120-B01002
Document MUST NOT contain elements not part of the data model.
fatal