emv chargeback reason codes. These reason codes are divided into three categories depending on the supposed cause of a chargeback: consumer disputes, processing error, or fraud. emv chargeback reason codes

 
These reason codes are divided into three categories depending on the supposed cause of a chargeback: consumer disputes, processing error, or fraudemv chargeback reason codes com

2 – Incorrect Transaction CodePrinceton Junction, N. Retrieve thine complete guide to the new Visa reason codes, including all the elaborate information, chargeback time limitation, and other important information to need. 5 – Visa Fraud Monitoring Program. 13. This reason code is not supposed to be used for contactless payments, digital wallet payments, or charges that qualify for the “No PIN” program. 2: Fraud (10) EMV Liability Shift Non-Counterfeit Fraud: 10. F01. Region Only) 4855 Goods or Services Not Provided. Evidence for Dispute Responses When Under VFMP. 0 : Unknown/Unspecified : 1 : Non-Receipt of Requested Item : 12 :. American Express Chargeback Codes (2023) American Express functions as a card network and an issuing bank. 4 – Other Fraud-Card Absent Environment 10 . Chargeback Reason Codes / Visa / 10. It could be a PIN or signature. The EMV Liability Shift caused most merchants to upgrade to EMV payment technology, which is much less vulnerable to fraud than traditional magnetic strips. Chargeback reason code 10. Removed these Discover Chargeback Codes: AL, CA, IC, IS, NC, SV, U03, UNR. 4 In connection with the migration to EMV in the U. There are dozens of different chargeback reason codes spread across the different card networks, which correspond to hundreds of different chargeback triggers. 3. Like other chargebacks, claims that EMV transactions were counterfeit can be. [1]. Reason codes are alphanumeric codes that provide the justification for granting a chargeback. The client will send this dispute to Paymentology’s Global support team via email – [email protected] card-not-present transaction is one in which the merchant has received the customer's payment information remotely, rather than having the physical card present. and the implementation of payment network counterfeit and lost/stolen fraud liability shifts, chargeback reason codes were established for (1) counterfeit, and (2) lost/stolen EMV chip card transactions covered by those chip liability shifts. • Section 4: Chargeback Reason Codes—Contains detailed information on the reason codes for the most common types of chargebacks that merchants receive. EMV is a registered trademark in the U. 2 — EMV Liability Shift Non-Counterfeit Fraud; Mastercard Chargeback Reason Code. 1 Category Fraud. 11. Mastercard SecureCode is an effective solution for preventing true fraud chargebacks on Mastercard-branded cards, with the caveat that only enrolled cardholders are required to use it. As the US market migrates to EMV chip, the fraud threat from criminals placing skimming devices on, or in, attended and unattended point-of–sale (POS) devices for the purpose of collecting payment card information, including PIN numbers, increases. Issuers must not initiate a chargeback for magnetic-stripe (POS Entry Mode value of 90 or 02) transactions on Codes 51 (insufficient funds) and 05 (do not honor) are especially common. Fight back, but be smart. Chargeback Reason Codes List for Mastercard Chargeback Code Chargeback Reason 4801 Requested Transaction Data Not Received 4802 Requested / Required Information Illegible or Missing 4807 Warning Bulletin File 4808 Requested / Required Authorisation Not Obtained 4812. For the most accurate list of reason codes visit the library on our main website here. Once filed, the merchant generally has 20. Signifyd’s Revenue Protection solution offers fraud screening services to help merchant subscribers protect against fraudulent or unauthorized activity with respect to certain e-commerce transactions, as classified by the applicable card processor’s chargeback. Since then, if you don’t have or don’t use an EMV reader for a chip and pin transaction that is subsequently challenged, you will likely be on the hook for all the costs associated with a Code 10. When a bank files a chargeback, they attach a numeric code called a chargeback reason code to the case. Examples of compelling evidence that you may submit in response to a chargeback with this reason code include: Proof your POS device can support chip card transactions. 60. Mastercard Chargeback Reason Code 70: Chip Liability Shift. A chargeback happens when a customer asks their card-issuing bank to reverse a transaction. This means that even if the consumer makes a purchase through a guest checkout, they can, if they use the same device, make a purchase as a guest without entering card or payment information. Amex uses the same four main categories as Visa to organize its reason codes: Authorization, Card Member Disputes (which Visa refers to as Consumer Disputes), Fraud, and Processing Errors. 1 — EMV Liability Shift Counterfeit Fraud. A credit card authorization code is a two- to six-digit alphanumeric code that indicates whether a transaction has been approved or declined. Pursuant to the Fair Credit Billing Act of 1974, cardholders have the right to dispute unauthorized or. 101. P22 – Non-Matching Card Number. A chargeback reason code. EMV, Mobile Wallets, and Virtual cards are the next generation payment solutions that are changing the way payment industry works. 2, which specifically deals with transactions billed by other means. They do this to prevent fraudulent and reckless merchants from abusing the system and causing consumers to lose confidence in the safety of. [noun]/cē • vē • vē • tö • kōd/. About Visa chargeback reason codes. P07 – Late Submission. 3 Fraud – Card-Present Environment. Other Ineligible Transactions Under Reason Code 62, Condition 2 . Your chargeback response must include at least one of the following items: If the purchase was a card-not-present transaction, provide proof the dispute is invalid. Credit not processed – Reason code 85. Always process cards using the magnetic stripe or EMV chip—manual keying should only be used in an emergency. Blog Read helpful tips, industry insights, and articles to create the most effective chargeback management strategy. Chargeback reason codes (MasterCard only): 4870 Counterfeit. Whenever a chargeback is initiated, a code is passed through from the issuing bank that gives a reason for the dispute. P05 – Incorrect Charge Amount. Automate Tasks & Streamline Processes Let Midigator remove complexities and improve the efficiency of your chargeback management strategy. 2 – EMV Liability Shift Non-Counterfeit Fraud . With the U. Payments Forum webinar being held this September. Authorization Reason Codes. All the major card networks use chargeback reason codes to convey the reason for a chargeback. each reason code has been categorized under four categories Dispute Condition – is the description of the Reason Codes. Visa Chargeback Reason Codes. A counterpart program, the Visa Dispute Monitoring Program, may apply to both fraud- and non-fraud-related reason codes. EMV fraud prevention technology is a product of EMVCo. Reason codes also signal to the network different aspects of the chargeback that might place. For compliant solutions that can be used standalone or integrated,. S. 13. Note the following: Chargeback reason code - A numeric, custom way to explain the reason of raising a chargeback specific per Card Scheme, e. EMV Liability Shift Counterfeit Fraud. 4854 Cardholder Dispute—Not Elsewhere Classified (U. Ensure your terminals are EMV compliant. Make sure you differentiate between card-absent and card-present transactions during clearing by noting internet, phone, or mail orders. The Discover chargeback reason codes list is just as extensive as the other major US card schemes, despite being the youngest and smallest of the four. A retrieval request is in some ways more important than a chargeback. When a chargeback is filed, a bank selects the code that best fits the reason a chargeback was filed. 1 EMV Liability Shift Counterfeit Fraud 81 (1) 10. Since 2015, EMV-compliant merchants. Preventing Mastercard Reason Code 4837 Chargebacks. When a chargeback is filed, a bank selects the code. Visa's Reason Code 62, MasterCard's Reason Code 4870/4871 are new and only related to EMV, so. Merchant service providers—the vendors who provide web hosting, e-commerce software, anti-fraud tools, and chargeback management—must also maintain PCI DSS compliance, or the merchants who use their services may be liable for data breaches regardless of their own compliance status. issuers must not initiate chargebacks for any AFD or ATM transactions outside the U. Any chargeback that is received without a reason code will be assigned a default code of 53. Issuers will not have the ability to submit lost/stolen fraud chargebacks for chip-on-chip (contact or contactless) AFD transactions. The shorthand description is “EMV Liability Shift Non-Counterfeit Fraud. Discover is a credit. A chargeback happens when a customer requests for a transaction to be. Thanks for following the Chargeback Gurus blog. 2 EMV Liability Shift Non-Counterfeit Fraud: Mastercard: 4870 - Chip Liability Shift 4871 - Chip/PIN Liability Shift: Discover: UA05 - Fraud Chip Card Counterfeit 4871 - Fraud Chip and Pin Transaction:The Mastercard chargeback reason codes were condensed down in 2016, like the process that Visa just underwent with Visa Claims Resolution. EMV Counterfeit: M01: Chargeback Authorization: P01: Unassigned Card Number: P03: Credit Processed as Charge: P04: Charge Processed as Credit:. ECM monitors first presentment chargebacks regardless of reason code or transaction type. What if the terminal cannot read the chip on a card? 9. That inherently makes the process more secure. 1 of 5. This rule will fully extend to Visa 3-D Secure 2. Be aware that Cartes Bancaires chargebacks with reason code 45 are not defendable. The sales receipt and/or date and amount of the authorization if other than the transaction date. . 10. DESCRIPTION. Get proper authorization and manual or electronic imprint for each card present transaction. ; Help Center Find answers to common questions about Midigator’s technology,. The request is usually made when the cardholder is disputing a charge on their credit. This code indicates an unauthorized charge was made to a chip-and-PIN card in a card-present transaction. Preventing Chargebacks under Reason Code 10. until 1 October 2017. 51 - Insufficient Funds. American Express Chargebacks / Disputes. “The fact that the U. 4 Fraud – Card-Absent Environment;. 1 – Late Presentment 12 . The chargeback process allows for cardholders to recover funds in the event of fraud or abuse. 2 — EMV Liability Shift Non-Counterfeit Fraud. This claim strongly suggests that the merchant processed a stolen card on a payment. Chargebacks may happen for a variety of reasons: the most common are returns of goods, cancelled services, quality disputes or processing errors, and fraud. Other Ineligible Transactions Under Reason Code 62, Condition 2 . ”. Pursuant to the Fair Credit Billing Act of 1974, cardholders have the right to dispute unauthorized or erroneous charges, and issuing banks must reverse a disputed transaction if the cardholder’s claim is valid. 2 – EMV Liability Shift Non-Counterfeit Fraud. By entering your email, you agree to receive marketing emails from Shopify. Only use EMV-compliant terminals. Chargebacks for card-present transactions have jumped by 50% since the Oct. How can merchants prevent code 73 chargebacks?. J. If a retrieval request is ignored, it will often result in a chargeback, and the merchant will have given up their right to fight that chargeback by ignoring the request. Is there a difference between chip-PIN and chip-signature transactions?. Visa chargeback reason code 10. By the same token,. Expired Chargeback Protection Period. Responses to retrieval requests that are over 4 pages will. P03 – Credit Processed as Charge. Merchants who receive a chargeback for a transaction placed with an American Express card may encounter reason code F29, which indicates an unauthorized transaction that the cardholder does not believe they should be responsible for paying. The shorthand description is “Account Number Not On File. PRINCETON JUNCTION, N. EMV Liability Shift Non-Counterfeit Fraud : 11. Additionally, tools like EMV chips and tokenization can provide further security. The format of the Code 10 call is designed to be discreet, so that it can be made in front of the customer, but they can be lengthy. Visa, for example, has reason codes: 11. As per OC 317, the Acquirer liability under the EMV liability shift process is applicable only where the Card is EMV chip enabled and the ATM is non. Mastercard Chargeback Reason Code 73: Duplicate Transaction. You should place a Code 10 call when. 4870: EMV Liability Shift. EMV Liability Shift Counterfeit Fraud. Cardholders and card issuers can place disputes on transactions for a variety of reasons including product returns, defects, cancelled reservations, and card processing errors. 10. EMV service code must be 2XX or 6XX – if a value of 1XX has been authorized then this chargeback code could not be applied as the issuer has authorized a magnetic stripe transaction. S. Additionally, Amex uses a fifth "Miscellaneous" category. S. Chargeback reason code description – An explanation which provides the reason of raising a chargeback by the cardholder. Visa chargeback reason code 10. Reason Code 10. EMV Prevents Chargebacks; What Does EMV Stand For? Can EMV Cards Be Skimmed? Can EMV Cards Be Cloned? Whenever a payment is in dispute, whether. Payments Forum (formerly. When a customer who's enrolled with 3-D Secure from their bank initiates a purchase, the tool will deploy during the. 196The Code 10 call gives merchants a chance to bring possible fraud to the card issuer’s attention and receive instructions from them about how to proceed with the transaction. ONE reason code is an alphanumeric code selected from a fixed list by the issuing bank to indicate the reason of cardholder gave for requesting a chargeback. No. Proof that magnetic stripe or key entered data was used to complete the transaction and the “fallback” method was noted. About Visa chargeback reason codes. October 15th of 2021 marked the six-year anniversary of EMV implementation in the US, as well as the fraud liability shift which encouraged it. To Visa chargeback reason codes user underwent one large overhaul in April 2018 as part of their new Visa Claims Resolution (VCR) initiative. This reason code covers chargebacks related to the EMV liability shift, which leaves merchants liable for fraudulent transactions in which the card had an EMV chip, but the merchant processed the transaction without using it. Chargeback reason codes vary by the credit card company. 105. That said, the code is still operation, at least for now. and the implementation of payment network counterfeit and lost/stolen fraud liability shifts, chargeback reason codes were established for (1) counterfeit, and (2) lost/stolen EMV chip card transactions covered by those chip liability shifts (CLS) ( “ LS chargebacks”). In these situations, a merchant’s billing descriptor is simply not recognized by the customer. EMV Liability Shift Non-Counterfeit Fraud. 2: EMV Liability Shift Non-Counterfeit Fraud: Visa: Fraud: 10. While the format of chargeback reason codes. Some card networks will include “transaction modifiers” with the reason code. Code Description; 10. What Are the Time Limits for Credit Card Chargebacks? On average, a customer can file a chargeback on a transaction within 60 or 120 days, depending on the card network and the chargeback reason code. The reason codes help merchants understand the reason for particular chargebacks and better tailor their responses to chargebacks. Other Fraud — Card Absent Environment. RR - Retrieval Request MID - Merchant Identification number PA - Pre-arbitrations NOTE: PayPal often cites reason codes from cardHere are some tips on how to prevent MasterCard Reason Code 4870 chargebacks: 1. The following chargeback reason codes are related to EMV: Visa: 10. 10. Understanding these reason codes can help you identify the cause of the chargeback and take steps to prevent it from happening again in the future. Almost all customers make purchases online from time to time, and these days even physical retailers may process. Other Ineligible Transactions Under Reason Code 62, Condition 2 . 4 spec (Section 8. ”. Reason codes are alphanumeric codes that provide the justification for granting a chargeback. 2 EMV Liability Shift Non-Counterfeit Fraud: Mastercard: 4870 - Chip Liability Shift 4871 - Chip/PIN Liability Shift: Discover: UA05 - Fraud Chip Card Counterfeit 4871 - Fraud Chip and Pin Transaction:Under reason code 85, the minimum transaction amount required to initiate chargeback should be at least $25. txt) or read online for free. 2 – Declined Authorization 11 . UA05 Fraud – Chip Counterfeit Transaction. 10. 💡 PRO TIP:. What causes code F31 chargebacks? This reason code is supposed to be used only when an EMV chip card has been stolen by a fraudster, and a card-present merchant uses the magnetic stripe or a manual. Below you will find the reason codes for the dispute events Chargeback, Request for Information (RFI), and Notification of Fraud (NOF). 10. Every chargeback has a reason code associated with it. 2 Other Fraud – Card Present Environment 81(1) 10. 5: Fraud (10) Visa Fraud Monitoring. Learn which strategies to use as you fight and prevent consumer disputes by reason code. Fraud. 10. 2 - EMV Liability Shift Non-Counterfeit Fraud. Feel free to submit topic suggestions, questions or requests for advice to: win@chargebackgurus. 4841 Canceled Recurring or Digital Goods Transactions. 10. Use correct verification methods – signature and PINs. A chargeback reason code is a 2-to-4-digit alphanumeric code provided by the issuing bank involved in a chargeback, which is meant to identify the reason for the dispute. 2: EMV Liability Shift Non-Counterfeit Fraud: 10. This is an independent consortium drawing its name from the three card brands—Europay, Mastercard, and Visa—that first launched the technology. 5. is not 100 percent chip-enabled has brought up many questions about new chargeback reason codes, when to charge back, if a chargeback is valid, and how to mitigate. Yes, card skimming is still a concern. The EMV Contactless Kernel Specification lays out the technical requirements for contactless EMV-compatible software kernels. 11. 0 transactions after the program activation date. EMV. 1: EMV Liability Shift Counterfeit Fraud: 10. 4860 Credit Not Processed. MasterCard Chargeback Reason Codes: Authorization Issues (Codes 3000 - 3011) Authorization issues occur when a merchant fails to obtain proper authorization for a transaction or when the transaction amount exceeds the authorized amount. 74 – Late Presentment: 30 – Services Not Provided or Merchandise Not Received 81 - Fraud – Card Present Environment; 71 – Declined Authorization 76 - Incorrect Currency or Trans-The customer’s identity could then be verified with a signature, an ID, or a ZIP code. The merchant can choose whether or not the reason makes sense and. S. 10. Chargeback reason codes; Chargeback Reason Codes. But there are conditions under reason code 85 (Travel and entertainment transactions), where the. chargeback for Reason Code 62 or Interlink Reason Code 2462 for amounts up to $25. For example Visa limits cash back to a maximum of $200 in most countries. until 1 October 2017. You can retry the transaction up to two times within 30 days of the original authorization date. 3 – Other Fraud. You can learn more about each one by visiting the Mastercard Chargeback Guide. S. Proof you have already refunded the transaction and credited the cardholder’s account. With that said, you still need to understand the reason codes with any chargebacks from Amex. The VFMP and the VDMP each have three categories: standard, high-risk, and excessive. The Clover® trademark and logo are owned by Clover® Network, Inc. What is the solution for CNP? 11. Since Chargebacks are time sensitive, card networks provide time limits on each reason code to help merchants manage time and data to submit their claims in a timely manner. 4807 Warning Bulletin File. 104. American Express Chargebacks / Disputes. October 15th of 2021 marked the six-year anniversary of EMV implementation in the US, as well as the fraud liability shift. Once filed, the merchant generally has 20. When they do, you’ll be given an. 70 chargebacks can't usually be fought, but if the merchant provides proof that the transaction was initiated with an EMV chip and offline authorization was obtained, the chargeback may be. However, these chargeback reason codes cannot prevent friendly frauds. 76 - Incorrect Currency or Transaction Code or * Domestic Processing Violation. American Express recommends your point-of-sale system be EMV chip- and NFC-enabled. This code indicates an unauthorized charge was made to a chip-and-PIN card in a card-present transaction. transactions with a CPD before 1 October 2017. A08 Authorization Approval Expired. F02. POS entry mode, card service code and terminal entry capability (TEC). These reason codes are a standardized list of reasons that a customer and/or their bank may file credit card chargebacks. Reason code 12. See our Automated Clearing House (ACH) support article if you are looking for ACH Return Codes. It was originally just one facet. S. 4 – Other Fraud-Card Absent Environment. Transaction was approved by the Issuer knowing that the authentication data failed verification and was not reliable Transaction is not eligible for Reason Code 75 or 83: 9 Reason Code List. A chargeback is a transaction that is disputed by a cardholder or issuer. S. Nevertheless, some merchants see cryptocurrency as safer and less volatile than a payment system that allows chargebacks. 10. Each of the major card brands, including Visa, Mastercard, and others, have their own system of reason codes. The most comprehensive guide to chargeback reason codes. Instead of storing information on magnetic stripe card. linkedin. Chargeback /Dispute; Merchant Response. F02. Does EMV apply to Card Not Present(CNP) transactions? 10. , Aug. In simple terms, an Electronic Commerce Indicator (ECI) is basically a 3-D Secure response code. 2 falls under the “Fraud” category. 2 Declined Authorization; 11. Based on the information provided, Paymentology will investigate the transaction being disputed. Reason Code Reason Description; 10. The description, missing imprint, is a reference to the. So the company has more incentive to side with customer during cardholder disputes. Since October 1, 2015, merchants accepting card present (CP) transactions that are not equipped with an EMV card reader. 1 Card Recovery Bulletin or Exception File. How EMV can help avoid potential chargebacks. 3 – No Authorization 12 . txt) or read online for free. The terminal was not EMV compliant. Visa flagged the transaction under the Fraud Monitoring Program, and the issuer has not filed a chargeback under another reason code. Code 4807 was used to cover various authorization-related. Each of the major card networks—American Express, Discover, MasterCard, and Visa—has its own specific. Code. Additionally, Amex uses a fifth "Miscellaneous" category. The use of this reason code indicates that the cardholder is claiming they did not participate in the transaction, and American Express believes a counterfeit card was used. FR2 Fraud Full Recourse Program. For example, if: The cardholder no longer wishes to dispute the transaction. facebook. Get your complete guide to Mastercard reason codes, including all the detailed information, chargeback time limits, and other important information you need. Chargeback Chargeback reason codes can be confusing, especially since each >> card network has their own designations. Chargeback Reason Codes. 5 Card security code examples: CSC, CID, CVC or CVC2, CVV or CVV2, PCSC Reason Code 10. ”. RuPay Card holder Dispute Chargeback Reason Codes: 1) Retrieval Request Reasons and Reason Codes A dispute or chargeback retrieval request is a request from a cardholder to the card issuer for a copy of the original transaction receipt. Cost. If you do perform a key-entered transaction, make a manual imprint of the card. 1 chargeback code is used when a counterfeit transaction has occurred and there has been an EMV liability shift. 6. Reference these when rebutting cardholder disputes at your small business. What are reason codes?. In some cases, banks must wait a specific amount of time before issuing a chargeback. 1 falls under the “Fraud” category. For example, 10. Worst of all, fraudsters wouldn’t even need to steal your actual credit card. The chargeback amount cannot exceed the original purchase price. Below is a list of Mastercard chargeback codes used in eCommerce. 11. 1? Chargeback reason code 11. 1 Category Fraud Workflow Allocation DESCRIPTION Why did I receive this dispute? The cardholder has a chip card and someone made a counterfeit copy of it. What causes code F31 chargebacks? This reason code is supposed to be used only when an EMV chip card has been stolen by a fraudster, and a card-present merchant uses the magnetic stripe or a. List of Chargeback Reason Codes. Reason code 4812 indicates the broad category of “authorization-related chargebacks. 4 Fraud – Card-Absent Environment. Card networks provide limits on cash back amounts dependent on region. For merchant service providers,. ; Resources. A few other common reason codes for Visa include late presentment; non-receipt of cash from ATM; invalid data; EMV liability shift non-counterfeit fraud; no authorization; canceled merchandise and fraud related to stolen cards on the card recovery bulletin. com. Needless to say, 2020 has had no shortage of events that would qualify under most force majeure clauses, and 2021 may contain its share as well. American Express chargeback reason code F30 falls under the “Fraud” category. This gives them more of an incentive to keep their customers happy, which means they usually side with cardholders during a dispute. 3 – No Authorization 12 . Fraud brings big costs to small businesses. Chargeback reason code 4870 has to do with whether or not the merchant in question has installed and is using terminals that can accept EMV or “chip” payment cards. For digital goods, two or more of the IP address, device ID, or. An acquiring bank or acquirer is the merchant's bank. 11. 3: Other Fraud — Card Present Environment:Chargebacks: Your Guide to Reducing Hassle and Cost. 10. Products. 13. Once filed, the merchant generally has 20 days to respond to the. You can learn more about each one by vising their VISA Chargeback Management Guidelines resource. The reason is fairly simple to understand: fraud is a booming business. 10. 10. It’s just what it sounds like—the reason they’re fighting the charges. This chargeback occurs when merchants do not adequately provide currency information. Here is an overview of how the general chargeback process works with most major processors (we’ll get into how Square does it down below) Step 1: A purchase occurs. (Visa chargeback reason code 10. Discover the latest Visa chargeback codes for 2023. 1 EMV Liability Shift 10. 00. The number of in-person fraud attacks attempted in the UK has dropped by 69% since 2004. The following is a full list of Chargeback Reason Codes for the card schemes that Zai supports. It issues them a credit card and manages their account. Every chargeback has a reason code associated with it. Reason Code 04. EMV service code must be 2XX or 6XX – if a value of 1XX has been authorized then this chargeback code could not be applied as the issuer has authorized a magnetic stripe transaction. Chargeback reason codes identify the general reason behind a chargeback. American Express encourages merchants to upgrade to EMV or chip-enabled POS. EMV (so called because it was developed by EuroPay, Mastercard, and Visa) cards create a unique encrypted code for each transaction. 15, 2021. It is likely that card “shimmers,” or EMV skimmers, were involved in most of these reported scams. About Visa chargeback reason codes. If the merchant can provide documentation that the EMV chip was read—and that all of that data was transmitted to Visa—a reversal may be possible. migration to EMV chip payments and accompanying fraud liability shifts, new types of chargeback reason codes have been established for both counterfeit and lost/stolen fraud that issuers, acquirers and merchants need to fully understand. This code is obsolete, and issuers have been instructed to use code 4808 instead. Of course, these safeguards were easy to defeat if you had a stolen card. 1 Card Recovery Bulletin or Exception File. Credit card companies use chargeback codes to classify the reason for a disputed transaction.