A contact EMV transaction is a fixed sequence of functions. EMV Book 1 (chapter 12) covers application selection; EMV Book 3 chapter 10 covers the rest, and Book 4 adds the terminal's own requirements. Every function reads some data, may set bits in the TVR (what went wrong) and the TSI (what was done), and hands over to the next.
The contact transaction, end to end
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The twelve steps from application selection to completion, and the data each one uses and sets.
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The opening of the article
In the full article
- The steps
- Three things to keep in mind
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