MerchandiseClassificationCode is not coming into the item_export.xml file

while generate  the mom-file.jar file MerchandiseClassification code is not coming  inside the mom-file.(MerchandiseClassification) this is missing in the preload data and (Classification ) is missing in the item tag.

<MerchandiseClassification

            ChangeType="UPS"

            Code="SPGD">

            <LocalizedDescription Language="en" Description="Sporting Goods"/>

        </MerchandiseClassification>

  <Classification ID="SPGD" ChangeType="ADD"/>

Any one please can  clarify or suggest, to get the mention details in item_master file.

Regards,

DS