***Changes made on 04/17/2019 are delineated below in Red.***
cmpi_lookup request
Cartes Bancaire (CB) - Conditionally Required
TotalItems 
| Number of purchased items or services Note: Utilized to create the CB-ITEMS MessageExtension for the AReq if present. | O | Optional for CB | N(2) value 00-99 |
MerchantScore
| The global score calculated by the CB scoring platform Note: Utilized to create the CB-SCORE MessageExtension for the AReq if present. | O | Optional for CB | AN(20) |
| CardType | CB Indicates Cartes Bancaire as the card type. | C | Required for CB transactions | A(2) |
| ChallengeIndicator | 90 - Used to call the CB Scoring platform | O | Optional for CB | N(2) |
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cmpi_lookup response
CB- Cartes Bancaire
| CB- Cartes Bancaire |
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NetworkScore
| The global score calculated by the CB Scoring platform | O | Optional for CB | N(2) |
CavvAlgorithm
| Identifies the algorithm used by the ACS to calculate the
Authentication Value and is derived from the "CB-AVALGO" | O | Optional for CB | N(1) |
AuthorizationPayload
| The Base64 encoded JSON Payload of CB specific Authorization Values returned in the Frictionless Flow. example: Authorization Payload (JSON) (added 04/26/2019) | C | Required if CB and frictionless flow | Base64 Encoded |
cmpi_authenticate response
| Cartes Bancaire - Only |
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CavvAlgorithm
| Identifies the algorithm used by the ACS to calculate the
Authentication Value and is derived from the "CB-AVALGO | O | Optional for | CBN(1) |
AuthorizationPayload
| The Base64 encoded JSON Payload of CB specific Authorization Values returned in the challenge Flow
example:Authorization Payload (JSON) (added 04/26/2019) | C | Required if CB and challenge flow | Base64 Encoded |