| Code | Short Message | State | Long Message |
|---|
| 06001 | Transaction refused | ERROR | System error |
| 06002 | Transaction refused | REFUSED | Denied, authorization by telephone possible |
| 06003 | Transaction refused | REFUSED | Invalid merchant number |
| 06004 | Transaction refused | REFUSED | Used card not allowed |
| 06005 | Transaction refused | REFUSED | Bank code blocked |
| 06006 | Transaction refused | REFUSED | File transfer wrong |
| 06009 | Transaction refused | REFUSED | Delayed processing |
| 06012 | Transaction refused | REFUSED | Transaction invalid, e.g. currency not allowed |
| 06013 | Transaction refused | REFUSED | Available limit exceeded |
| 06014 | Transaction refused | REFUSED | Invalid card |
| 06021 | Transaction refused | REFUSED | Reversal not processed, related authorization not found |
| 06024 | Transaction refused | REFUSED | File transfer not available |
| 06029 | Transaction refused | REFUSED | File transfer not successful |
| 06030 | Transaction refused | REFUSED | Format failure |
| 06033 | Transaction refused | REFUSED | Due date of the card expired |
| 06034 | Transaction refused | REFUSED | Suspicion of manipulation |
| 06040 | Transaction refused | REFUSED | Requested function not available |
| 06043 | Transaction refused | REFUSED | Stolen card, please pick up card |
| 06050 | Transaction refused | REFUSED | Double authorization |
| 06051 | Transaction refused | REFUSED | Limit exceeded, "override function" possible |
| 06055 | Transaction refused | REFUSED | PIN wrong |
| 06056 | Transaction refused | REFUSED | Card invalid (no entry in authorization database) |
| 06057 | Transaction refused | REFUSED | Other card than with authorization / reservation used |
| 06061 | Transaction refused | REFUSED | Card blocked in local blacklist |
| 06062 | Transaction refused | REFUSED | Card blocked |
| 06064 | Transaction refused | REFUSED | Transaction amount higher than authorization |
| 06065 | Transaction refused | REFUSED | Limit of transaction frequency exceeded, "override function" available |
| 06075 | Transaction refused | REFUSED | Invalid transaction counter in the authorization system (AS) has expired |
| 06077 | Transaction refused | REFUSED | PIN entry necessary |
| 06080 | Transaction refused | REFUSED | Transaction amount not available |
| 06082 | Transaction refused | REFUSED | ELV system failure |
| 06085 | Transaction refused | REFUSED | Ddenial from credit card issuer |
| 06086 | Transaction refused | REFUSED | Basic data unknown |
| 06087 | Transaction refused | REFUSED | Terminal / PIN-pad unknown |
| 06089 | Transaction refused | REFUSED | CRC wrong |
| 06091 | Transaction refused | REFUSED | Card issuer or network not available |
| 06092 | Transaction refused | REFUSED | Authorization system (AS) recognizes wrong routing |
| 06096 | Transaction refused | REFUSED | Authorization system (AS) - processing currently not available |
| 06097 | Transaction refused | REFUSED | MAC-failure |
| 06098 | Transaction refused | REFUSED | Date / time not plausible, trace-no. not increasing |
| 06099 | Transaction refused | REFUSED | PAC-encryption with failures |
| 06260 | Transaction refused | REFUSED | Processing currency not available, please try again/No terminal available |
| 06261 | Transaction refused | ERROR | System error : Invalid function according to terminal type |
| 06270 | Transaction refused | ERROR | System error : Format error in xml message |
| 06271 | Transaction refused | ERROR | System error : Invalid character in IC_SHOP_TA_ID |
| 06272 | Transaction refused | ERROR | System error : Invalid xml message |
| 06273 | Transaction refused | ERROR | System error : Invalid card type |
| 06274 | Transaction refused | REFUSED | Invalid card (expiration date invalid)/Invalid expiration date |
| 06275 | Transaction refused | REFUSED | Invalid card/Unknown card |
| 06276 | Transaction refused | REFUSED | Invalid bank code |
| 06277 | Transaction refused | REFUSED | Invalid account code |
| 06278 | Transaction refused | REFUSED | Invalid german ec card (eurocheque) |
| 06279 | Transaction refused | REFUSED | Card not authorized |
| 06280 | Transaction refused | ERROR | System error : BMP60 unknown field type |
| 06282 | Transaction refused | ERROR | System error : BMP120 Feldtyp unbekannt |
| 06290 | Transaction refused | REFUSED | Amount too high |
| 06292 | Transaction refused | REFUSED | Card rejected/Authorization impossible |
| 06293 | Transaction refused | REFUSED | Reversal (cancellation) / capture (accounting) impossible. Reference transaction not found |
| 06300 | Transaction refused | REFUSED | Processing not possible at the time, please repeat the transaction/File Transfer aborted |
| 0631 | Transaction refused | REFUSED | Card issuer not listed |
| 06310 | Transaction refused | ERROR | System error : Offline turnover forbidden for credit cards. |
| 06320 | Transaction refused | ERROR | System error : Unknown record type |
| 06400 | Transaction refused | REFUSED | Processing not possible at the time, please repeat the diagnosis/Diagnosis aborted |
| 06401 | Transaction refused | REFUSED | Processing not possible at the time, please repeat the diagnosis/Maximum amount could not be acquired. |
| 06420 | Transaction refused | REFUSED | Auto-discount interrupted |
| 06430 | Transaction refused | REFUSED | Processing not possible at the time, please repeat the diagnosis/No response by the host system. |
| 06450 | Transaction refused | ERROR | System error : ISOMux Key can't be created |
| 06510 | Transaction refused | ERROR | System error : Amount of cutover is negative |
| 06600 | Transaction refused | ERROR | System error : Database error |
| 06610 | Transaction refused | ERROR | System error : Terminal type not registered |
| 06700 | Transaction refused | REFUSED | No credit worthiness |