The time when the tender 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-T005-R007
IssueTime MUST have a granularity of seconds
fatal