EMV fallback is an option that allows you to use an alternative authorization method if the EMV authorization experiences a technical failure. To enable EMV fallback:
  • Specify that EMV Fallback is allowed.
    pointOfSaleInformation.emv.fallback=true
  • Specify the condition that triggers EMV Fallback
    for American Express or Mastercard transactions
    .
    pointOfSaleInformation.emv.fallbackCondition=<condition>
  • Provide the service code from the track data for American Express or Mastercard transactions.
    pointOfSaleInformation.serviceCode=<service_code>