| 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 |