An identifier that identifies the economic operator, such as a legal registration identifier. Can be the registration number in the professional registry.

Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Data type
Identifier
Example value
7300010000001
Attributes
Use Name Description
M @schemeID

Scheme identifier

Example value: 0088

Rules
Identifier/Error message Flag
PEPPOL-T009-R028
A Party Identifier MUST have a scheme identifier attribute.
fatal
PEPPOL-T009-S021
cac:PartyIdentification/cbc:ID SHOULD NOT have any attributes but schemeID
warning