<xs:element name="responsibilityOfWeighing" >
  <xs:annotation>
    <xs:documentation>The party responsible for paying the weighing charges - buyer or seller</xs:documentation>
  </xs:annotation>
  <xs:simpleType>
    <xs:restriction base="xs:string">
      <xs:enumeration value="Buyer"/>
      <xs:enumeration value="Seller"/>
    </xs:restriction>
  </xs:simpleType>
</xs:element>