This is an old revision of this page, as edited by 161.225.129.111(talk) at 15:55, 23 September 2014(EMV Book 4.3 Page 165 states that TVR byte 1 bit 2 is RFU - NOT SDA SELECTED). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.Revision as of 15:55, 23 September 2014 by 161.225.129.111(talk)(EMV Book 4.3 Page 165 states that TVR byte 1 bit 2 is RFU - NOT SDA SELECTED)
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. The format of the TVR is as follows:[1]
Byte 1
b8
b7
b6
b5
b4
b3
b2
b1
Meaning
1
Offline data processing was not performed
1
SDA failed
1
ICC data missing
1
Card number appears on hotlist
1
DDA failed
1
CDA failed
1
RFU
0
RFU
Byte 2
b8
b7
b6
b5
b4
b3
b2
b1
Meaning
1
Card and terminal have different application versions