| ID | Message Type |
|---|
| 0100 | authorization request |
| 0101 | authorization request repeat |
| 0110 | authorization request response |
| 0200 | financial transaction request |
| 0201 | financial transaction request repeat |
| 0210 | financial transaction request response |
| 0220 | financial transaction advice |
| 0230 | financial transaction advice response |
| 0320 | acquirer file update advice |
| 0330 | acquirer file update advice response |
| 0400 | acquirer reversal request |
| 0401 | acquirer reversal request repeat |
| 0410 | acquirer reversal request response |
| 0500 | acquirer reconciliation request |
| 0501 | acquirer reconciliation request repeat |
| 0510 | acquirer reconciliation request response |
| 0800 | network management request |
| 0801 | network management request repeat |
| 0810 | network management request response |