What it is
CVMCardholder Verification MethodHow the cardholder is verified — for example offline PIN, online PIN, signature, or no CVM required.View in glossary → Results is a 3-byte record of cardholder verification: the CVMCardholder Verification MethodHow the cardholder is verified — for example offline PIN, online PIN, signature, or no CVM required.View in glossary → code that was applied (byte 1), the condition under which it applied (byte 2) and the outcome — unknown, failed or successful (byte 3). It is produced after CVMCardholder Verification MethodHow the cardholder is verified — for example offline PIN, online PIN, signature, or no CVM required.View in glossary → List (8E) processing and feeds risk decisioning and disputes.
Where it appears
Produced by the terminal after cardholder verification; carried in the transaction record.
Specification reference
Defined in: EMV 4.x Book 4 (Cardholder, Attendant & Acquirer Interface), Annex A4
Bit-level definitions below follow: EMV 4.4 Book 4, Annex A4, Table 33 — CVM Results (3 bytes); codes per Book 3 Annex C3, Tables 43–44
Bit & value breakdown
EMV 4.4 Book 4, Annex A4, Table 33 — CVM Results (3 bytes); codes per Book 3 Annex C3, Tables 43–44
Byte 1 — CVM performed (byte 1 of the CV Rule; b7 = 0x40 means “apply succeeding rule if unsuccessful”, so 0x42 = online PIN)
0x02Enciphered PIN verified onlineByte 2 — CVM Condition code (from the CVM List)
0x02If not unattended cash and not manual cash and not purchase with cashback0x05If purchase with cashback0x06If transaction is in the application currency and is under X value0x07If transaction is in the application currency and is over X value0x08If transaction is in the application currency and is under Y value0x09If transaction is in the application currency and is over Y valueByte 3 — CVM Result
0x00Unknown (for example signature, or online PIN)Example values
420300Enciphered PIN verified online (apply next rule if unsuccessful), condition “if terminal supports the CVM”, result unknown — the terminal cannot know the issuer’s PIN check
1F0302No CVM required, condition “if terminal supports the CVM”, successful