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This field contains a four-digit code that explains the authorization message type. Possible values:
Code |
Definition |
0100 |
Authorization requests / balance inquiries |
0101 |
Authorization request repeat |
0110 |
Authorization responses |
0120 |
Automated fuel dispenser completion advice (MasterCard only) |
0200 |
Financial authorization request / balance inquiry |
0210 |
Financial authorization response |
0220 |
Debit adjustments |
0230 |
Debit adjustments |
0400/0420 |
Reversals |
0410/0430 |
Reversal responses |