This is the current revision of this page, as edited by Lalaith(talk | contribs) at 14:19, 24 January 2025(Simplify - don't try to describe two different versions of the TVR at once). The present address (URL) is a permanent link to this version.Revision as of 14:19, 24 January 2025 by Lalaith(talk | contribs)(Simplify - don't try to describe two different versions of the TVR at once)
Terminal verification results (TVR) or Tag '95'[1] 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. The format of the TVR is as follows:[2][3]
Byte 1
b8
b7
b6
b5
b4
b3
b2
b1
Meaning
1
Offline data authentication was not performed
1
SDA failed
1
ICC data missing
1
Card number appears on hotlist
1
DDA failed
1
CDA failed
1
SDA was selected
0
RFU
Byte 2
b8
b7
b6
b5
b4
b3
b2
b1
Meaning
1
Card and terminal have different application versions