The set of national
governments and/or international organizations that have purview over the
containing classification marking
This element is always used
in conjunction with the Classification element. Taken together, the two elements
specify the classification category (TS, S, C, R, or U) and the type of
classification (US, non-US, or Joint). The permissable values for this attribute
are defined in the ISMCAT Owner Producer CVE:
CVEnumISMCATOwnerProducer.xml.