<?xml version="1.0"?>

   <schema uri="urn:x-commerceone:document:com:commerceone:XCBL30:XCBL30.sox$1.0">

      <elementtype name="PartNum">
         <model>
            <sequence>
               <element type="string" name="PartID"/>
               <element type="string" name="PartIDExt" occurs="?"/>
            </sequence>
         </model>
      </elementtype>

      <elementtype name="ListOfPartNum">
         <model>
            <element type="PartNum" occurs="+"/>
         </model>
      </elementtype>

      <elementtype name="ProductIdentifierCoded">
         <model>
            <sequence>
               <element type="ProductIdentifierQualifierCode" name="ProductIdentifierQualifierCoded"/>
               <element type="string" name="ProductIdentifierQualifierCodedOther" occurs="?"/>
               <element type="string" name="ProductIdentifier"/>
               <element type="string" name="ProductIdentifierExt" occurs="?"/>
            </sequence>
         </model>
      </elementtype>

      <elementtype name="ListOfProductIdentifierCoded">
         <model>
            <element type="ProductIdentifierCoded" occurs="+"/>
         </model>
      </elementtype>

      <elementtype name="ItemIdentifiers">
         <model>
            <sequence>
               <element type="PartNumbers" occurs="?"/>
               <element type="string" name="ItemDescription" occurs="?"/>
               <element type="ListOfItemCharacteristic" occurs="?"/>
               <element type="Identifier" name="CommodityCode" occurs="?"/>
            </sequence>
         </model>
      </elementtype>

      <elementtype name="PartNumbers">
         <model>
            <sequence>
               <element type="PartNum" name="SellerPartNumber" occurs="?"/>
               <element type="PartNum" name="BuyerPartNumber" occurs="?"/>
               <element type="ManufacturerPartNumber" occurs="?"/>
               <element type="ProductIdentifierCoded" name="StandardPartNumber" occurs="?"/>
               <element type="ListOfProductIdentifierCoded" name="SubstitutePartNumbers" occurs="?"/>
               <element type="ListOfProductIdentifierCoded" name="OtherItemIdentifiers" occurs="?"/>
            </sequence>
         </model>
      </elementtype>

      <elementtype name="ManufacturerPartNumber">
         <extends type="PartNum">
            <append>
               <element type="Identifier" name="ManufacturerID" occurs="?"/>
            </append>
         </extends>
      </elementtype>

   </schema>