<xs:element name="Selection" maxOccurs="unbounded">
    <xs:complexType>
        <xs:sequence>
            <xs:choice>
                <xs:sequence>
                    <xs:element ref="Candidate" />
                    <xs:element ref="AffiliationIdentifier" minOccurs="0" />
                </xs:sequence>
                <xs:element ref="AffiliationIdentifier" />
                <xs:element ref="ReferendumOptionIdentifier" />
            </xs:choice>
            <xs:element name="Votes" type="xs:positiveInteger" minOccurs="0" />
            <xs:choice>
                <xs:sequence>
                    <xs:element name="Ranking" type="xs:positiveInteger" />
                    <xs:element name="Elected" type="YesNoType" minOccurs="0" />
                </xs:sequence>
                <xs:element name="Elected" type="YesNoType" />
            </xs:choice>
        </xs:sequence>
    </xs:complexType>
</xs:element>