Code | Description |
|---|
| Y | Authentication/Account verification successful |
| N | Not Authenticated/ account Account not verified. Transaction denied. |
| U | Authentication/ account Account verification could not be performed. |
| A | Authentication/ verification Verification was attempted but could not be verified. |
| C | Challenge Required. Additional authentication is required using a Challenge. |
| R | Authentication/ account Account verification rejected by the Issuer. |