Scenario	Required handling
Chargeback received and related financial notification found	Match the chargeback to the financial notification and update dispute, ledger, and reconciliation records.
Chargeback received and no financial match found	Store as unmatched and process through reconciliation or exception handling.
Chargeback non-credit received	Process according to your dispute and reconciliation rules.
Chargeback reversal received and original chargeback found	Reverse or adjust the original chargeback impact.
Chargeback reversal received and original chargeback not found	Store as unmatched and process through reconciliation or exception handling.
Duplicate chargeback	Do not apply dispute, ledger, balance, or reconciliation impact again. Return the same logical acknowledgement.
Duplicate chargeback reversal	Do not reverse or adjust the chargeback impact again. Return the same logical acknowledgement.