An identifier that is specified by the buyer and used as a reference number for all documents in the procurement process. It is also known as procurement project identifier, procurement reference number or contract folder identifier.

Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Example value
PPID-2
Rules
Identifier/Error message Flag
EUGEN-T68-B02001
Document MUST NOT contain elements not part of the data model.
fatal