<xs:element name="Seller" >
  <xs:annotation>
    <xs:documentation>Name, address and identification of the Seller on the contract.</xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="organizationName"/>
      <xs:element minOccurs="0" ref="OrganizationIdentification"/>
      <xs:element minOccurs="0" ref="AddressInformation"/>
      <xs:element minOccurs="0" ref="ContactDetails"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>