<xs:simpleType name="FareApplicationType">
    <xs:annotation>
        <xs:documentation xml:lang="en">Indicates how the fare may be applied, such as one way or roundtrip.</xs:documentation>
    </xs:annotation>
    <xs:restriction base="xs:string">
        <xs:enumeration value="OneWay" />
        <xs:enumeration value="Return" />
        <xs:enumeration value="HalfReturn" />
        <xs:enumeration value="Roundtrip">
            <xs:annotation>
                <xs:documentation xml:lang="en">Specifies that the fare is for a roundtrip.</xs:documentation>
            </xs:annotation>
        </xs:enumeration>
        <xs:enumeration value="OneWayOnly">
            <xs:annotation>
                <xs:documentation xml:lang="en">The fare can only be treated as one way - can not be doubled to create a roundtrip fare.</xs:documentation>
            </xs:annotation>
        </xs:enumeration>
    </xs:restriction>
</xs:simpleType>