Exception Handling
Debit Request Exception Flow

| No. | Step | Description |
|---|---|---|
| 1 | Merchant Send AE Message to FPX | Merchant sends host-to-host AE message to FPX. |
| 2 | FPX Respond Direct AC Message to Merchant | FPX send host to host Direct AC response status message to Merchant. |
Merchant Cancelation Request Status Flow

| No. | Step | Description |
|---|---|---|
| 1 | Merchant Send AX Message to FPX | Merchant sends host-to-host AX message to FPX. |
| 2 | FPX Respond Direct AXA Message to Merchant | FPX send host to host AXA response status message to Merchant. |