Update in July 2026: The site has been significantly updated to replace outdated packages. Functionality should be unchanged, but if you notice any regressions, please email contact@emvlab.org.
| 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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