The computer readable medium comprises code for receiving an authorization request message associated with a transaction, where {TAIL ~ the authorization request message} including {HEAD ~ a secondary PAN} associated with a primary PAN 
The computer readable medium comprises code for receiving an authorization request message associated with a transaction , where { TAIL ~ the authorization request message } including { HEAD ~ a secondary PAN } associated with a primary PAN
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH