FGIsourceOpen 

Non-US classification portion marking for foreign government
information in a document portion. Use this attribute to record
a source country when the intent is to post the document to a
shared space with the source identified.

Attribute Information

Used By

Attribute Groups SecurityAttributesGroup, SecurityAttributesOptionGroup

Source 

<xsd:attribute name="FGIsourceOpen">
  <xsd:annotation>
    <xsd:documentation xml:lang="en">Non-US classification portion marking for foreign government information in a document portion. Use this attribute to record a source country when the intent is to post the document to a shared space with the source identified.</xsd:documentation>
  </xsd:annotation>
  <xsd:simpleType>
    <xsd:restriction base="xsd:NMTOKENS"/>
  </xsd:simpleType>
</xsd:attribute>

Sample