startdate 

For asserted rights. Date/time value normalized to ISO 8601: YYYYMMDDTHHMMSS-HHMM (preferred) YYYYMMDDTHHMMSSZ (alternative). Use YYYYMMDD000000-HHMM when no time is available

Attribute Information

Used By

Element nitf:doc.rights

Source 

<attribute name="startdate" type="string" use="optional">
  <annotation>
    <documentation>For asserted rights. Date/time value normalized to ISO 8601: YYYYMMDDTHHMMSS-HHMM (preferred) YYYYMMDDTHHMMSSZ (alternative). Use YYYYMMDD000000-HHMM when no time is available</documentation>
  </annotation>
</attribute>

Sample