<xs:attribute name="ValidationStatus" use="optional">
    <xs:annotation>
        <xs:documentation xml:lang="en">Indicates if the address has been validated or not and if it has been successful or not.</xs:documentation>
    </xs:annotation>
    <xs:simpleType>
        <xs:restriction base="xs:NMTOKEN">
            <xs:enumeration value="SystemValidated">
                <xs:annotation>
                    <xs:documentation xml:lang="en">Indicates the address has been validated automatically.</xs:documentation>
                </xs:annotation>
            </xs:enumeration>
            <xs:enumeration value="UserValidated">
                <xs:annotation>
                    <xs:documentation xml:lang="en">Indicates the address has been validated by the agent.</xs:documentation>
                </xs:annotation>
            </xs:enumeration>
            <xs:enumeration value="NotChecked">
                <xs:annotation>
                    <xs:documentation xml:lang="en">Indicates the address has not been validated.</xs:documentation>
                </xs:annotation>
            </xs:enumeration>
        </xs:restriction>
    </xs:simpleType>
</xs:attribute>