| 4501 | Operation not valid | 
| 4502 | Holder dispute | 
| 4503 | Expired card | 
| 4506 | Incorrect amount or card number | 
| 4510 | Payment processed as a charge | 
| 4512 | Duplicated operation | 
| 4513 | Payment not received | 
| 4514 | Fraudulent operation ( AMD) | 
| 4515 | Transaction not completed | 
| 4516 | Photocopy request unanswered | 
| 4517 | Photocopy request illegible | 
| 4521 | Operation not authorised | 
| 4522 | Authorisation rejected | 
| 4523 | Inexistent card | 
| 4524 | Error in addition | 
| 4525 | Paid by other means | 
| 4526 | Fraud. Operation not acknowledged by the holder | 
| 4527 | Fraud in a face-to-face environment | 
| 4531 | Holder dispute | 
| 4532 | Defective goods or goods other than those specified | 
| 4534 | Multiple non-authorised transactions | 
| 4535 | Card included in exceptions file | 
| 4536 | Operation submitted after the deadline | 
| 4538 | Deposit for reservation of accommodation | 
| 4544 | Recurring operation cancelled | 
| 4545 | Currency code incorrect | 
| 4546 | Fraud in a non-presential environment | 
| 4547 | Card included in exceptions file | 
| 4549 | Incorrect card number | 
| 4550 | Holder does not acknowledge op. over the telephone | 
| 4551 | Transaction currency not included | 
| 4554 | Cash not received | 
| 4555 | Services not provided or goods not received | 
| 4556 | Goods not as specific | 
| 4753 | Operation not reconciled | 
| 4762 | Magnetic stripe of card forged | 
| 4801 | Request for receipt without confirming dispatch in IPM (4516) | 
| 4857 | Multiple non-authorised transactions | 
| 4859 | Services not rendered | 
| 4863 | Transaction not acknowledged by the holder | 
| 4870 | Operation not acknowledged by holder-chip card | 
| 4871 | Operation not performed by the holder | 
| 4896 | Amount in excess of the limit in limited amount terminal | 
| 4901 | Documentation required not received in representation | 
| 4902 | Documentation of representation is illegible | 
| 4903 | The documentation furnished is incomplete or invalid | 
| 4908 | Operation not authorised | 
| 4924 | Card included in exceptions file |