<xs:element name="positionOfSale" >
  <xs:annotation>
    <xs:documentation>Whether it is Shipment, Delivery or afloat basis</xs:documentation>
  </xs:annotation>
  <xs:simpleType>
    <xs:restriction base="xs:string">
      <xs:enumeration value="Afloat"/>
      <xs:enumeration value="Arrival"/>
      <xs:enumeration value="Arrival or Delivery at Seller's option"/>
      <xs:enumeration value="Crossing"/>
      <xs:enumeration value="DAF"/>
      <xs:enumeration value="Delivery"/>
      <xs:enumeration value="Ship"/>
      <xs:enumeration value="Spot"/>
    </xs:restriction>
  </xs:simpleType>
</xs:element>