The set of countries and/or
international organizations associated with a "Display Only To"
marking
The "Display Only To"
marking indicates that a document is authorized for foreign viewing by
appropriate affiliates of approved countries and/or international organizations
without providing the foreign recipient with a copy for retention in any medium
(physical or electronic).
This attribute is used at
both the resource and the portion levels. The permissible values for this
attribute are defined in the ISM Rel To CVE: CVEnumISMRelTo.xml.