An identifier, assigned by the seller, for the item. This element is not mandatory because some companies may not have the identifier yer at the time of issuing the pre-award catalogue.

Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Example value
A2
Rules
Identifier/Error message Flag
EUGEN-T68-B17601
Document MUST NOT contain elements not part of the data model.
fatal