<xs:element minOccurs="0" name="PeriodName" type="NormalTextType"/>
<xs:element minOccurs="0" name="StartDate" type="DateTimeType"/>
<xs:element minOccurs="0" name="EndDate" type="DateTimeType"/>
<xs:complexType name="PeriodRecord"> <xs:sequence> <xs:element minOccurs="0" name="PeriodName" type="NormalTextType"/> <xs:element minOccurs="0" name="StartDate" type="DateTimeType"/> <xs:element minOccurs="0" name="EndDate" type="DateTimeType"/> </xs:sequence> </xs:complexType>