<xs:element name="BallotChoices">
    <xs:complexType>
        <xs:choice>
            <xs:choice maxOccurs="unbounded">
                <xs:element ref="Candidate" />
                <xs:element name="Affiliation">
                    <xs:complexType>
                        <xs:complexContent>
                            <xs:extension base="AffiliationStructure">
                                <xs:sequence>
                                    <xs:element ref="CandidateIdentifier" minOccurs="0" maxOccurs="unbounded" />
                                </xs:sequence>
                            </xs:extension>
                        </xs:complexContent>
                    </xs:complexType>
                </xs:element>
            </xs:choice>
            <xs:element ref="ReferendumOptionIdentifier" maxOccurs="unbounded" />
        </xs:choice>
        <xs:attribute name="Contested" type="YesNoType" use="optional" />
        <xs:attribute name="Partisan" type="xs:token" use="optional" />
    </xs:complexType>
</xs:element>