<?xml version="1.0"?>

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

      <elementtype name="ScheduleParty">
         <model>
            <sequence>
               <element type="Party" name="BuyerParty"/>
               <element type="Party" name="SellerParty"/>
               <element type="Party" name="ShipFromParty"/>
               <element type="Party" name="ShipToParty"/>
               <element type="Party" name="BillToParty" occurs="?"/>
               <element type="Party" name="MaterialIssuerParty" occurs="?"/>
               <element type="ListOfPartyCoded" occurs="?"/>
            </sequence>
         </model>
      </elementtype>

   </schema>