Scenario	Required handling
Prior financial notification found	Match the reversal to the prior financial notification and reverse or adjust the previous posted impact.
Prior financial notification not found	Store the reversal as unmatched and process according to your reconciliation or exception-handling rules.
Full financial reversal	Reverse the full previous financial impact according to your ledger rules.
Partial financial reversal	Reverse or adjust only the applicable portion of the prior financial impact.
Financial reversal of purchase	Reverse or adjust the previous purchase posting.
Financial reversal of refund / credit-to-cardholder	Reverse or adjust the previous refund or credit impact.
Financial reversal of cash withdrawal / disbursement	Reverse or adjust the previous cash transaction impact.
Duplicate financial reversal	Do not reverse or adjust funds again. Return the same logical acknowledgement.