Original 0100 / A authorization found |
Match the reversal to the original authorization and release or adjust the related blocked amount. |
| Original authorization not found |
Store the reversal as unmatched and process it according to your reconciliation or exception-handling rules. |
| Full reversal |
If Txn_Amt in the reversal matches Txn_Amt in the original authorization, unblock the amount originally blocked. |
| Partial reversal |
Release or adjust only the applicable reversal amount. |
Related 0120 / J authorization advice exists |
Apply the advice block update before applying the reversal. |
| Duplicate reversal |
Do not release or adjust funds again. Return the same logical acknowledgement. |
Auth_Code_DE38 is 000000 |
Treat it as blank for matching purposes. |
0400 / D or 0420 / D received |
Treat both as reversal advice in practice; do not decline the reversal. |