<xs:attributeGroup name="EffectiveExpireOptionalDateGroup">
    <xs:annotation>
        <xs:documentation xml:lang="en">Used to send the effective date and/or expiration date.</xs:documentation>
    </xs:annotation>
    <xs:attribute name="EffectiveDate" type="xs:date" use="optional">
        <xs:annotation>
            <xs:documentation xml:lang="en">Indicates the starting date.</xs:documentation>
        </xs:annotation>
    </xs:attribute>
    <xs:attribute name="ExpireDate" type="xs:date" use="optional">
        <xs:annotation>
            <xs:documentation xml:lang="en">Indicates the ending date.</xs:documentation>
        </xs:annotation>
    </xs:attribute>
    <xs:attribute name="ExpireDateExclusiveIndicator" type="xs:boolean" use="optional">
        <xs:annotation>
            <xs:documentation xml:lang="en">When true, indicates that the ExpireDate is the first day after the applicable period (e.g. when expire date is Oct 15  the last date of the period is Oct 14).</xs:documentation>
        </xs:annotation>
    </xs:attribute>
</xs:attributeGroup>