Optionalcb_The exemption indicator returned from Cartes Bancaires in the ARes. message extension: CB-EXEMPTION; string (4 characters) This is a 3 byte bitmap (low significant byte first and most significant bit first) that has been Base64 encoded
Optionalcb_The risk score returned from Cartes Bancaires in the ARes. message extension: CB-SCORE; numeric value 0-99
The cryptogram calculation algorithm used by the card Issuer's ACS to calculate the Authentication cryptogram. Also known as
cavvAlgorithm. messageExtension: CB-AVALGO