<xs:complexType name="standardMailHeaderType"> <xs:sequence> <xs:element name="PermitPublicationData" type="mailxml:permitPublicationDataType" /> <xs:element name="CompanyName" type="mailxml_base:s40" /> <xs:element name="IssueDate" type="xs:dateTime" minOccurs="0" /> </xs:sequence> </xs:complexType>