<?xml version="1.0"?>

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

      <elementtype name="PaymentRequestAcknHeader">
         <model>
            <sequence>
               <element type="PurposeCode" name="PaymentRequestAcknCoded"/>
               <element type="string" name="PaymentRequestAcknCodedOther" occurs="?"/>
               <element type="datetime" name="PaymentRequestAcknIssueDate"/>
               <element type="string" name="PaymentRequestAcknID"/>
               <element type="Reference" name="PaymentRequestIDReference" occurs="?"/>
               <element type="string" name="CertificateAuthority" occurs="?"/>
               <element type="boolean" name="SuccessfulReceptIndicator"/>
               <element type="string" name="GeneralNote" occurs="?"/>
               <element type="Language"/>
            </sequence>
         </model>
      </elementtype>

   </schema>