The computer readable medium also comprises code for analyzing {HEAD ~ the secondary PAN}, code for analyzing the primary PAN, and code for sending an authorization response message, wherein the authorization response message indicates approval or disapproval of {TAIL ~ the transaction} 
The computer readable medium also comprises code for analyzing { HEAD ~ the secondary PAN } , code for analyzing the primary PAN , and code for sending an authorization response message , wherein the authorization response message indicates approval or disapproval of { TAIL ~ the transaction }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL