Identifies the earliest version of the UBL 2 schema for this document type that defines all of the elements that might be encountered in the current instance

Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Data type
udt:IdentifierType
Fixed value
2.1
Attributes
Use Name Description
M @schemeAgencyID

Fixed value: OASIS-UBL-TC

Rules
Identifier/Error message Flag
PEPPOLBIS-ESPD-RES-B00201
Element 'cbc:UBLVersionID' MUST contain value '2.1'.
fatal
PEPPOLBIS-ESPD-RES-B00203
Attribute 'schemeAgencyID' MUST be present.
fatal