If an ACH transaction is successfully validated by the GIACT fraud service, the validation outcome is reused for any subsequent transactions that use the same ACH details. If the previously returned outcome is still considered successful under the configured Fraud Service Policy, the fraud check is treated as passed and the transaction is processed.
In these cases, the FraudServicesResult object (Transaction Processing API) and the Transactions report in Back-Office will display “Already validated” in the Description field.