MISMO element EXTENSION

Abstract	false (This can be used in an instance)
Nillable	false (Instance values cannot use xsi:nil)
Declared Namespaces	xmlns:xsd=http://www.w3.org/2001/XMLSchema

<xsd:element name="EXTENSION_SECTION">
    <xsd:annotation>
        <xsd:documentation xml:lang="en">Contains organization specific extended data elements</xsd:documentation>
    </xsd:annotation>
    <xsd:complexType>
        <xsd:sequence>
            <xsd:element ref="CONTACT_DETAIL" minOccurs="0" maxOccurs="unbounded"/>
            <xsd:element ref="EXTENSION_SECTION_DATA" minOccurs="0"/>
        </xsd:sequence>
        <xsd:attribute name="ExtensionSectionID" type="xsd:ID" use="optional">
            <xsd:annotation>
                <xsd:documentation xml:lang="en">Provides a unique Identifier for this container and a means by which to reference this container from within this data set</xsd:documentation>
            </xsd:annotation>
        </xsd:attribute>
        <xsd:attribute name="ExtensionSectionOrganizationName" type="xsd:string" use="optional">
            <xsd:annotation>
                <xsd:documentation xml:lang="en">Name of the organization defining this extension section</xsd:documentation>
            </xsd:annotation>
        </xsd:attribute>
        <xsd:attribute name="ExtensionSectionTypeDescription" type="xsd:string" use="optional">
            <xsd:annotation>
                <xsd:documentation xml:lang="en">Type of extension section as defined by organization</xsd:documentation>
            </xsd:annotation>
        </xsd:attribute>
        <xsd:attribute name="ExtensionSectionVersion" type="xsd:string" use="optional">
            <xsd:annotation>
                <xsd:documentation xml:lang="en">Version of extension section as defined by organization</xsd:documentation>
            </xsd:annotation>
        </xsd:attribute>
    </xsd:complexType>
</xsd:element>

element {}EXTENSION_SECTION

Source

Documentation