HTTP/1.1 200 OK
Date: Sat, 16 Feb 2013 06:40:30 GMT
Server: Microsoft-IIS/6.0
P3P: CP="CUR"
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VPSProtocol=2.23
Status=INVALID
StatusDetail=The VendorTxCode '984297' has been used before.  Each transaction you send should have a unique VendorTxCode.