Page tree
Skip to end of metadata
Go to start of metadata

A:

Tag 57 is the  Track 2 Equivalent Data in the EMV transaction payload. You can refer to the format definition of tag 57 from Visa CTLS spec. to make out the rest of the values in the 57 tag.

Below is the breakdown of the sample tag 57 value: 12 34 56 78 90 00 98 76 d2 41 02 01 00 00 03 20 00 00 1f.

12 34 56 78 90 00 98 76 is the PAN

d is the field separator

2410 is the expiration date (YYMM)

201 is the service code

00 00 03 20 00 00 1 is the PIN verification data (if present) and the discretionary data

f is the padding to ensure the whole bytes


Different card brands have their own tags for the same data.