Appendix c magnetic stripe standard data formats – Omnitron Systems Technology RS-232 User Manual
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Appendix C
MAGNETIC STRIPE STANDARD DATA
FORMATS
International Standards Organization (ISO) Credit Card Format
Track 1
Field ID Character
Contents
Length
a
Start Sentinel
1
b
Format Code “B”
1
c
Account Number
13 or 16
d
Separator “^”
1
e
Cardholder Name
variable
f
Separator “^”
1
g
Expiration date
4
h
Optional Discretionary data
variable
i
End Sentinel
1
j
Linear Redundancy Check
(LRC) Character
1
Track 2
a
Start Sentinel
1
b
Account Number
13 or 16
c
Separator “=”
1
d
Expiration date “YYMM”
4
e
Optional discretionary data
variable
f
End Sentinel
1
g
Linear Redundancy Check
(LRC) Character
1