Restrictions on PIN block translation operations for compliant-tagged key tokens

In general, the described restrictions are concerned with binding/unbinding of the PAN to the PIN data, or changes to the PAN.

See Table 1 for a summary of PIN block translation restrictions that apply to compliant-tagged key tokens.

Table 1. Using compliant-tagged key tokens to translate between PIN block formats
Translate from: ECI-2 (4 digit PIN) ECI-3 (4-6 digit PIN) ISO-0, ANSI X9.8, VISA-1, VISA-4, and ECI-1 ISO-1 and ECI-4 ISO-2 ISO-3 VISA-2 (4-6 digit PIN) VISA-3 (4-12 digit PIN) 3621 (4-12 digit PIN) 3624 (4-12 digit PIN) 4704- EPP (4-12 digit PIN)
ECI-2 Y Y N N N N Y Y Y Y Y
ECI-3 If PIN is 4 digits Y N N N N Y Y Y Y Y
ISO-0, ANSI X9.8, VISA-1, VISA-4, and ECI-1 N N If not changing PAN N Y Y N N N N N
ISO-1 and ECI-4 N N Y Y Y Y N N N N N
ISO-2 N N N N Y N N N N N N
ISO-3 N N If not changing PAN N Y Y N N N N N
VISA-2 If PIN is 4 digits Y N N N N Y Y Y Y Y
VISA-3 If PIN is 4 digits If PIN is 4-6 digits N N N N If PIN is 4-6 digits Y Y Y Y
3621 If PIN is 4 digits If PIN is 4-6 digits N N N N If PIN is 4-6 digits Y Y Y Y
3624 If PIN is 4 digits If PIN is 4-6 digits N N N N If PIN is 4-6 digits Y Y Y Y
4704-EPP If PIN is 4 digits If PIN is 4-6 digits N N N N If PIN is 4-6 digits Y Y Y Y