If the users {HEAD ~ home institution address} corresponds to {TAIL ~ the home server}, the banking machine operates responsive to messages from the home server 
corresponds to
If the users { HEAD ~ home institution address } corresponds to { TAIL ~ the home server } , the banking machine operates responsive to messages from the home server
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH