What is TVR value?

What is TVR value?

Terminal verification results (TVR) is an EMV data object. The TVR is a series of bits set by the terminal reading an EMV card, based on logical tests (for example has the card expired). This data object is used in the terminal’s decision whether to accept, decline or go on-line for a payment transaction.

What is cdol1 in EMV?

A CDOL is a list of data that the card requires during Card Action Analysis, and there are 2 different CDOL that may be required during the course of a transaction.

What is generate AC in EMV?

The terminal has to decides either to proceed the transaction offline, to go online or to reject the transaction. The Terminal will send the decision with a Generate AC command to the card. The decision is based on the Transaction Verification Results.

What is EMV payment processing?

EMV is a payment method based upon a technical standard for smart payment cards and for payment terminals and automated teller machines which can accept them. EMV originally stood for “Europay, Mastercard, and Visa”, the three companies that created the standard.

What is partial EMV?

The following outlines a generic overview of the steps required to perform a Partial EMV transaction (e.g. Credit Refund or Void). For these transactions the EMV card is only used to obtain Track 2 information stored on the chip. The card does not participate in the authorization decision.

What does the tag format mean in emvlab?

List (in tag and length format) of data objects representing the logged data elements that are passed to the terminal when a transaction log record is read Issuer-specified preference for the maximum number of consecutive offline transactions for this ICC application allowed in a terminal with online capability

Are there any tags that are outside the scope of EMV?

(Mandatory for SFIs 1-10. Response messages for SFIs 11-30 are outside the scope of EMV, but may use template ’70’) Contains the data objects (with tags and lengths) returned by the card in response to a command. Contains the data objects (without tags and lengths) returned by the card in response to a command.

How many currency codes are used in EMV tag?

Indicates the priority of a given application or group of applications in a directory 1–4 currency codes used between the terminal and the ICC when the Transaction Currency Code is different from the Application Currency Code; each code is 3 digits according to ISO 4217

What does the range of records mean in EMV?

Indicates the location (SFI, range of records) of the AEFs related to a given application. Indicates the location (SFI, range of records) of the AEFs related to a given application. Indicates the location (SFI, range of records) of the AEFs related to a given application.