Identifies the UBL version on which the transaction instance is based.

Cardinality
1..1
Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Fixed value
2.1
Rules
Identifier/Error message Flag
EUGEN-T110-R025
UBLVersionID must be 2.1
fatal
EHF-T110-B00201
Element 'cbc:UBLVersionID' MUST contain value '2.1'.
warning