disseminationControls 

Authorized dissemination control portion mark abbreviation(s).
Either (a) a single abbreviation or (b) a space-delimited list
of abbreviations in the order shown in the CAPCO Register.
Exception: For the "REL" abbreviation, omit the country code
trigraph(s) and instead place the trigraph(s) in the
"releasableTo" attribute value.

Attribute Information

Used By

Attribute Groups SecurityAttributesGroup, SecurityAttributesOptionGroup

Source 

<xsd:attribute name="disseminationControls">
  <xsd:annotation>
    <xsd:documentation xml:lang="en">Authorized dissemination control portion mark abbreviation(s). Either (a) a single abbreviation or (b) a space-delimited list of abbreviations in the order shown in the CAPCO Register. Exception: For the "REL" abbreviation, omit the country code trigraph(s) and instead place the trigraph(s) in the "releasableTo" attribute value.</xsd:documentation>
  </xsd:annotation>
  <xsd:simpleType>
    <xsd:restriction base="xsd:NMTOKENS"/>
  </xsd:simpleType>
</xsd:attribute>

Sample