Terminal verification results: Difference between revisions

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'''Terminal verification results''' (TVR) or '''Tag '95''''<ref>{{cite book|title=EMV® Contactless Specifications for Payment Systems Book C-6 Kernel 6 Specification|year=2016|publisher=EMVCo|pages=122|url=https://www.emvco.com/wp-content/uploads/2017/05/C-6_Kernel_6_v2.6_20160512101849195.pdf|access-date=2022-01-31|archive-date=2022-01-22|archive-url=https://web.archive.org/web/20220122045629/https://www.emvco.com/wp-content/uploads/2017/05/C-6_Kernel_6_v2.6_20160512101849195.pdf|url-status=dead}}</ref> 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:<ref>{{cite book|title=EMV Integrated Circuit Card Specifications for Payment Systems - Book 3: Application Specification|year=2011|publisher=EMVCo|pages=165|url=http://www.emvco.com/download_agreement.aspx?id=654|access-date=2012-03-26|archive-date=2012-04-07|archive-url=https://web.archive.org/web/20120407213325/http://www.emvco.com/download_agreement.aspx?id=654|url-status=dead}}</ref><ref>{{cite book|title=EMV Contactless Specifications for Payment Systems - Book C-2: Kernel 2 Specification|year=2020|publisher=EMVCo|pages=543|url=https://www.emvco.com/terms-of-use/?u=/wp-content/uploads/documents/C-2-Kernel-2-v2.10.pdf}}</ref>

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! b2

! b1

! width="400pt450pt"|Meaning

|-

| 1|| || || || || || || ||Offline data processingauthentication was not performed

|-

| ||1|| || || || || || ||SDA failed

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| || || || || ||1|| || ||CDA failed

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| || || || || || ||1|| ||RFU (Now SDA was selected)

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| || || || || || || ||0||RFU

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! b2

! b1

! width="400pt450pt"|Meaning

|-

| 1|| || || || || || || ||Card and terminal have different application versions

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! b2

! b1

! width="400pt450pt"|Meaning

|-

| 1|| || || || || || || ||Cardholder verification was not successful

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! b2

! b1

! width="400pt450pt"|Meaning

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| 1|| || || || || || || ||Transaction exceeds floor limit

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! b2

! b1

! width="400pt450pt"|Meaning

|-

| 1|| || || || || || || ||Default TDOL Used

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| || || ||1|| || || || ||Script processing failed after final Generate AC

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| || || || ||01|| || || ||RFURelay resistance threshold exceeded (Contactless Kernel 2)

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| || || || || ||01|| || ||RFURelay resistance time limits exceeded (Contactless Kernel 2)

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| || || || || || ||0|| 0||RFURelay resistance protocol not supported (Contactless Kernel 2)

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| || || || || || || 0||01||RFURelay resistance protocol not performed (Contactless Kernel 2)

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| || || || || || ||1||0||Relay resistance protocol performed (Contactless Kernel 2)

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| || || || || || ||1||1||RFU

|-

|}

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==References==

* [http://www.emvco.com/specifications.aspx?id=23 EMV Specification Bulletins] {{Webarchive|url=https://web.archive.org/web/20120402183733/http://www.emvco.com/specifications.aspx?id=23 |date=2012-04-02 }}

* [http://www.emvco.com/specifications.aspx?id=223 EMV Specification] {{Webarchive|url=https://web.archive.org/web/20140621225253/http://www.emvco.com/specifications.aspx?id=223 |date=2014-06-21 }}

<references />

==External links==

* [https://tvr-decoder.appspotpaymentcardtools.com/emv-tag-decoders/tvr Online decoder]

[[Category:EMV]]