<?xml version="1.0" encoding="utf-8"?"
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xmlns:xsd="http://www.w3.org/2001/XMLSchema" 
xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
<soap:Body>
   <CUSERCODE></CUSERCODE> 
   <OWSESPEC>
      <CCODLOC></CCODLOC> Nulo
      <CRDA></CRDA> Nulo
      <CTP></CTP> Nulo
   </OWSESPEC>
</soap:Body>
</soap:Envelope>