Appendix B: Magnetic Stripe Standard Formats; Iso Credit Card Format - IDTECH SecureHead User Manual

6. APPENDIX B: MAGNETIC STRIPE STANDARD FORMATS

6.1. ISO Credit Card Format

ISO stands for International Standards Organization
Track 1
Field ID Contents
Character
a Start Sentinel
b Format Code "B"
c Account Number
d Separator "^"
e Cardholder Name
f Separator "^"
g Expiration date 4
h Optional Discretionary data variable
i End Sentinel
j Linear Redundancy Check
(LRC) Character
Track 2
a Start Sentinel
b Account Number
c Separator "="
d Expiration date "YYMM"
e Optional discretionary data variable
f End Sentinel
g Linear Redundancy Check
(LRC) Character
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Length
1
1
12 or 19
1
variable
1
1
1
1
12 or 19
1
4
1
1
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