Identifier of a document, must be a UUID

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

Scheme identifier

Fixed value: urn:uuid

Rules
Identifier/Error message Flag
PEPPOL-T020-R006
A Qualification Receipt Notification Identifier MUST be expressed in a UUID syntax (RFC 4122)
fatal