> ## Documentation Index > Fetch the complete documentation index at: https://docs.pagos.ai/llms.txt > Use this file to discover all available pages before exploring further. # Chargeback Reason Codes | Chargeback Reason Code (Integer) | Short Code | Description | Chargeback Reason Category | | :------------------------------- | :---------------------------------------------- | :----------------------------------------------------------------------------------------------------------------------------- | :----------------------------- | | 500 | FRAUD\_GENERIC | Generic fraud; no further information | FRAUD | | 501 | CARD\_NOT\_PRESENT | Card not present | FRAUD | | 502 | STOLEN\_CARD\_FRAUD | Stolen card fraud | FRAUD | | 503 | LOST\_CARD\_FRAUD | Lost card fraud | FRAUD | | 504 | UNAUTHORIZED\_UNRECOGNIZED | Cardholder didn't authorize or doesn't recognize the transaction | FRAUD | | 505 | ACCOUNT\_TAKE\_OVER | Account takeover | FRAUD | | 506 | COUNTERFEIT\_MERCHANDISE | Counterfeit merchandise | FRAUD | | 507 | FRAUD\_AUTO\_DEFENDED | Fraud; auto-defended | FRAUD | | 508 | CARD\_ISSUED\_ON\_FRAUDLENT\_APPLICATION | Card issued on fraudulent application | FRAUD | | 510 | DUPLICATE\_PROCESSING | Duplicate processing | PROCESSING\_ERROR | | 511 | INCORRECT\_AMOUNT | Incorrect amount | PROCESSING\_ERROR | | 512 | INCORRECT\_PROCESSING | Incorrect processing | PROCESSING\_ERROR | | 513 | PAID\_BY\_OTHER\_MEANS | Paid by other means | PROCESSING\_ERROR | | 514 | FRAUD\_MONITORING\_PROGRAM | Fraud monitoring service identified risk | FRAUD | | 520 | MERCHANDISE\_NOT\_RECEIVED | Merchandise/product not received | CUSTOMER\_DISPUTE | | 521 | MERCHANDISE\_NOT\_AS\_DESCRIBED | Merchandise/product not as described | CUSTOMER\_DISPUTE | | 522 | CREDIT\_NOT\_PROCESSED | Credit not processed | CUSTOMER\_DISPUTE | | 523 | GENERIC\_CUSTOMER\_DISPUTE | Generic customer dispute; no further information | CUSTOMER\_DISPUTE | | 524 | CANCELLED\_RECURRING\_SERVICE | Canceled recurring transaction/service | CUSTOMER\_DISPUTE | | 526 | INSUFFICIENT\_FUNDS | Not enough funds available in the account to cover the transaction | PROCESSING\_ERROR | | 527 | INVALID\_DATA | Invalid or incorrect data | PROCESSING\_ERROR | | 528 | LATE\_PRESENTMENT | The transaction wasn't sent to the issuer within the timeframe required | AUTHORIZATION\_ERROR | | 529 | DECLINED\_AUTHORIZATION | Authorization was declined | FRAUD | | 530 | NO\_AUTHORIZATION\_OBTAINED | No authorization obtained | AUTHORIZATION\_ERROR | | 598 | RFI | Request for information | RFI | | 599 | MISCELLANEOUS | Miscellaneous; no future information from the payment service provider | MISCELLANEOUS | | 9999 | UNKNOWN | Unknown | | | 531 | SEPA\_DISPUTE | SEPA dispute | | | 532 | INVALID\_ACCOUNT | Invalid account | PROCESSING\_ERROR | | 533 | REJECTS | This code identifies rejected items that are processed through the chargeback system | PROCESSING\_ERROR | | 534 | REVERSALS | This code indicates the reversal of a previous chargeback transaction that was sent to us by the issuer in error | PROCESSING\_ERROR | | 535 | EXCEPTION PROCESSING | This code identifies all exception adjustment processing items | MISCELLANEOUS | | 536 | Processing\_Error | Processing error occurred | PROCESSING\_ERROR | | 537 | atm\_dispute | Cardholder recieved the wrong amount from an ATM | CUSTOMER\_DISPUTE | | 538 | INCORRECT\_CURRENCY | Transaction was processed in the Incorrect currency | PROCESSING\_ERROR | | 539 | MERCHANDISE\_DAMAGED | Merchandise or product was damaged or defective | CUSTOMER\_DISPUTE | | 540 | MERCHANDISE\_RETURNED | Merchandise or product was returned | CUSTOMER\_DISPUTE | | 541 | FRAUD\_PROGRAM | The merchant is already in a fraud program and a cardholder claimed the charge is fraudulent | MISCELLANEOUS | | 542 | CHARGEBACK\_REVERSED | Credited; chargeback reversed | ADJUSTMENT | | 543 | EXPIRED\_CARD | The card was expired | PROCESSING\_ERROR | | 544 | NO\_SIGNATURE | No signature | PROCESSING\_ERROR | | 545 | NO\_SHOW | Cardholder claims a no-show or cancelation policy wasn't properly disclosed | MISCELLANEOUS | | 546 | DISPUTE\_ADJUSTMENT | Dispute adjustment | ADJUSTMENT | | 547 | QUESTIONABLE\_CLIENT\_ACTIVITY | Questionable client activity | FRAUD | | 548 | CHIP\_LIABILITY\_SHIFT\_COUNTERFEIT\_FRAUD | Chip liability shift counterfeit fraud | FRAUD | | 549 | NO\_IMPRINT | Sales draft does not contain a JCB card imprint or the transaction data read from the magnetic stripe/IC chip of the JCB card. | PROCESSING\_ERROR | | 550 | HIGH\_RISK\_ORDER | The order was deemed high risk | FRAUD | | 551 | INCORRECT\_INVOICE | Customer claims incorrect invoice such as missing discounts or items on the invoice are incorrect | CUSTOMER\_DISPUTE | | 552 | NO\_VALUE\_PROVIDED | Pagos didn't receive a value from the processor | NO\_VALUE\_PROVIDED | | 553 | UNREADABLE\_VALUE | Pagos received a value from the processor that we can't interpret (e.g. test1234, dflgoiwyz) | UNREADABLE\_VALUE | | 554 | NO\_REPLY | Merchant failed to respond to an inquiry by the stated deadline | INQUIRY | | 555 | GOOD\_FAITH\_INVESTIGATION | A dispute was initiated after the normal time frame, and the merchant accepted it | CUSTOMER\_DISPUTE | | 556 | REASON\_NOT\_AVAILABLE | Reason code not available | MISCELLANEOUS | | 597 | VIOLATION | Violation of regulations | PROCESSING\_ERROR | | 638 | RECOVERY | Chargeback recovery | UNKNOWN | | 639 | CANCELLATION | Pre-compliance chargeback cancellation | CANCELLATION | | 640 | CARD\_NEVER\_RECEIVED | Customer never received the card | ISSUE\_WITH\_CUSTOMER\_ACCOUNT | | 641 | INSUFFICIENT\_REPLY | Merchant only provided partial documentation | INQUIRY | | 642 | CHIP\_LIABILITY\_SHIFT\_NON\_COUNTERFEIT\_FRAUD | Chip liability shift non-counterfeit fraud | FRAUD |