Terminal action codes
Encyclopedia
Terminal action codess are EMV
data objects. EMV terminals store three terminal action codes:
Each TAC contains a series of bits, set by the card issuer, which correspond to the bits in the Terminal verification results
(TVR). This data object is used in the terminal's decision whether to accept, decline or go on-line for a payment transaction. TACs are a means for the card acquirer to decide under what circumstances a card should be rejected. In practice card schemes advise the TAC settings that should be used for a particular terminal type depending on its capabilities.
EMV
EMV stands for Europay, MasterCard and VISA, a global standard for inter-operation of integrated circuit cards and IC card capable point of sale terminals and automated teller machines , for authenticating credit and debit card transactions.It is a joint effort between Europay, MasterCard and...
data objects. EMV terminals store three terminal action codes:
- Denial
- Online
- Default
Each TAC contains a series of bits, set by the card issuer, which correspond to the bits in the Terminal verification results
Terminal verification results
Terminal verification results is an EMV data object. The TVR is a series of bits set by the terminal reading an EMV card, based on logical tests . This data object is used in the terminal's decision whether to accept, decline or go on-line for a payment transaction. The format of the TVR is as...
(TVR). This data object is used in the terminal's decision whether to accept, decline or go on-line for a payment transaction. TACs are a means for the card acquirer to decide under what circumstances a card should be rejected. In practice card schemes advise the TAC settings that should be used for a particular terminal type depending on its capabilities.