<!-- xCBL Document DTD for XCBL35 MessageAcknowledgement -->
<!ELEMENT MessageAcknowledgement ((AcknowledgementLocation? , AcknowledgementReferenceNumber? , AcknowledgementNote?))>
<!ELEMENT AcknowledgementLocation  (#PCDATA)>
<!ELEMENT AcknowledgementReferenceNumber  (#PCDATA)>
<!ELEMENT AcknowledgementNote  (#PCDATA)>