The financial transaction data, including {TAIL ~ the instruction codes} and the authenticating data, are then transmitted from the phone to {HEAD ~ the POS} 
The financial transaction data , including { TAIL ~ the instruction codes } and the authenticating data , are then transmitted from the phone to { HEAD ~ the POS }
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD