The time when the qualification is issued by the economic operator. The issue time must have granularity of seconds, and include time zone information

Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Data type
Time
Rules
Identifier/Error message Flag
PEPPOL-T019-R008
Element 'cbc:IssueTime' MUST be provided.
fatal
PEPPOL-T019-R025
IssueTime MUST have a granularity of seconds
fatal