Unique identifier of the instance document.

Cardinality
0..1
Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Data type
Identifier
Example value
ee3eefc8-597b-4615-baff-f9890f4a94b9
Rules
Identifier/Error message Flag
EHF-P09-CHA-B00401
Document MUST NOT contain elements not part of the data model.
fatal