If {TAIL ~ the verification system} retrieved {HEAD ~ the proper record} the client downloads the audio or video verification file to their client computer over the Internet 
If { TAIL ~ the verification system } retrieved { HEAD ~ the proper record } the client downloads the audio or video verification file to their client computer over the Internet
OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH