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

Project reference
The identification of the project the order refers to.

Example value: PID33

Rules
Identifier/Error message Flag
PEPPOL-T01-B03201
Element 'cbc:ID' MUST be provided.
fatal
PEPPOL-T01-B03202
Document MUST NOT contain elements not part of the data model.
fatal