emvlab.org
Update in July 2022: The passport machine readable zone (MRZ) calculator now permits gender to be unspecified.
Name Description Source Format Template Tag Length P/C
Card Status Update (CSU) Contains data sent to the ICC to indicate whether the issuer approves or declines the transaction, and to initiate actions specified by the issuer. Transmitted to the card in Issuer Authentication Data. Issuer b 4

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