designation

<xs:attribute name="designation">
  <xs:simpleType>
    <xs:restriction base="xs:string">
      <xs:enumeration value="all"/>
      <xs:enumeration value="all-except-us"/>
      <xs:enumeration value="us-only"/>
      <xs:enumeration value="as-indicated"/>
    </xs:restriction>
  </xs:simpleType>
</xs:attribute>