Mastercard Authentication Express Conditional Lookup Fields

ChallengeIndicator

Possible Values:

05 - No challenge requested (transactional risk analysis is already performed)

06 - No challenge requested (Data share only)

07 - No challenge requested (strong consumer authentication is already performed)

MerchantFraudRate

Calculated as per PSD2** RTS** (EEA** card fraud divided by all EEA card volumes).

Possible Values:

1 = Represents fraud rate <=1

2 = Represents fraud rate >1 and <=6

3 = Represents fraud rate >6 and <=13

4 = Represents fraud rate >13 and <=25

5 = Represents fraud rate >25

EEA** = European Economic Area
RTS** = Regulatory Technical Standards
PSD2** = Payment Services Directive

AcquirerCountryCode

Issuers need to be aware of the Acquirer's Country Code when the Acquirer country differs from the Merchant country and the Acquirer is in the EEA.

This should be in alignment with ISO 3166-1.

NOTE: Please see the Visa Required mapping for countries such as Saint Barthelemy, Guernsey, Jersey, Isle of Man & Aland Islands below.

AlternateAuthenticationMethod

Mechanism used by the cardholder to authenticate to the 3DS requestor.

Possible Values:

01 - No authentication occurred (e.g. Guest Checkout)

02 - Login to the cardholder account at the Merchant system using Merchant system credentials

03 - Login to the cardholder account at the Merchant system using a Federated ID

04 - Login to the cardholder account at the Merchant system using Issuer credentials

05 - Login to the cardholder account at the Merchant system using third-party authentication

06 - Login to the cardholder account at the Merchant system using FIDO Authenticator

AlternateAuthenticationDate

Date and time in UTC of the cardholder authentication. 

Format:

YYYYMMDDHHMM