Mastercard Identity Check Express Conditional Fields

AlternateAuthenticationMethod

Mechanism used by the cardholder to authenticate to the 3DS requester. This value needs to be passed as part of the initial SCA request.

Possible Values:

• 90

O

N(2)

AlternateAuthenticationDate

Date and time in UTC of the cardholder authentication. This value needs to be passed as part of the initial SCA request.

Format:

YYYYMMDDHHMM

O

 N(12)

Binding Requirement (3RI Request)

AlternatePriorAuthenticationData

This field carry data that the ACS can use to verify the authentication process. This value needs to be passed as part of the subsequent 3RI request post device enrollment.

O

 AN(20000)

AlternatePriorAuthenticationMethod

Mechanism used by the Cardholder to previously authenticate to the 3DS Requestor. This value needs to be passed as part of the subsequent 3RI request post device enrollment.

Possible Values:

• 91

O

 N(2)

AlternatePriorAuthenticationTime

Date and time in UTC of the prior cardholder authentication. This value needs to be passed as part of the subsequent 3RI request post device enrollment.

Format

YYYYMMDDHHMM

O

 N(12)

AlternatePriorAuthenticationRef

This data element contains a ACS Transaction ID for a prior authenticated transaction. This value needs to be passed as part of the subsequent 3RI request post device enrollment.

O

 AN(36)