Example track 2 : 4123123412341234=0905101000543534543
LEGEND:
4123123412341234 = PAN
09 = YEAR
05 = MONTH
1 = Interchange and technology = "Available for international interchange."
0 = Authorization processing = "Transactions are authorized following the normal rules"
1 = Range of services and PIN requirements = "No restrictions"
00054 = PVV (this is only the case with SOME CARDS!!!)
3534543 = discretionary data (only means something to the bank, means something different with each bank is for internal use only)