Code Reason; 01: Requested Transaction Data Not Received: 02: Requested item illegible: 07: Warning Bulletin File: 08: Requested/Required Authorization Not Obtained: 12: Account Number Not on File: 31: Transaction Amount Differs: 34:Chargeback reason codes are what tell a merchant why a customer is disputing a charge. Specify the default reason code to. Mastercard Chargeback Reason Code 73: Duplicate Transaction. Your actions in response to such a chargeback will be determined by the particular circumstances, the most typical of which are described in the table below: If: Then: The transaction was cancelled and credit issued. This reason code is transitioning from the legacy code 4841. Chargebacks are almost always initiated by customers, but businesses can request them as well (although this doesn’t happen often). Chargeback prevention strategies vary based on the reason for the. In most cases, you will have 20-45 days in which to respond to a chargeback. All Cancelled re- 41 4841 Due to rules changes there is no valid defence to occurring, Credit. 4846 — Incorrect Currency Code. A reason code helps explain why a transaction was disputed. The cardholder claims there were unauthorized purchases due to a lack of purchase controls. Card networks send these codes to merchants to indicate why a chargeback has been filed. Chargebacks were introduced as a form of consumer protection against. Documentation must be a direct result of cardholder communication. Canceled the recurring plan. 4841 Canceled Recurring or Digital Goods Transactions: 13. 4840 - Fraudulent Processing of Transactions. Duplicate Processing - 81A chargeback is the potential outcome of a disputed credit or debit card transaction. 6. MasterCard 4841 Cancelled Recurring Transaction<br /> MasterCard 4842 Late Presentment<br /> MasterCard 4846<br />. 4841 — Canceled Recurring Transaction or Digital Goods Transaction According to the cardholder, the merchant continued to bill the credit card after the. Reason Code. 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. This chargeback occurs when merchants do not adequately provide currency information. . Your chargeback response must include at least one of the following items: Proof the transaction was authorized and the valid card was not an EMV chip card. Chargeback reason code. Following is the list of Chargeback Reason Codes used by MasterCard: MasterCard Chargeback Reason Codes Reason Code: Category: Description:. Mastercard Chargeback Reason Codes Demystified. In this instance, the cardholder claims a misrepresentation of the order they received, such as a defect, damage, counterfeit, or incomplete merchandise. • Chargeback Reason Code – Each chargeback contains a reason code that signifies the reason for the dispute and the rules that must be followed by the issuer and the merchant in order to resolve the dispute. The following table lists the Visa chargeback reason codes and their descriptions. Click below to request a free demonstration, and we’ll create a customized report showing exactly how much ROI you can expect. Click on the Chargeback Reason Code drop-down menu, the user can change the. The Chargeback Reason Codes specifies the fraud, expired card, defective merchandise, differ amount and many others. 120 Days. Consider using all the tools available to you—including Visa Secure, card security code (CVV2), and Address Verification Service (AVS). Chargeback Reason Code 62—Counterfeit fraud pertains to the EMV liability shift. Download Free PDF View PDF. The reason code used to describe the dispute will determine the chargeback time limit. 10/21/14 Updated Chargeback Time Frames: Added Reason Code 05; Addendum Reason Code PM; Changed TF time frame from 120 days to 540 days. These codes are given by the card issuer at the point of time that the customer disputes a given transaction. . Q. The Sift Digital Trust & Safety Platform does what other fraud tools can’t, patented technology delivers. Review your credit card processor’s policies to understand its chargeback dispute process. This ranges anywhere from roughly 60 to 90 days after purchase. 4859 – No Show/Addendum/ATM Dispute. 4808. . ”. List of Chargeback Reason Codes. Versions Affected: v5, v6. In the distribution industry,. Proof that the chargeback is invalid because it doesn’t adhere to Mastercard requirements. An ACH (Automated Clearing House) payment dispute is a situation in which one party involved in an ACH transaction raises a concern or disagreement over the legitimacy, accuracy, or authorization of the transaction. Reason codes. Proven Chargeback Management Solutions | Chargeback Expertz. Reason codes are important to help merchants address recurring. These codes fit into four categories:. If the dispute is deemed valid, the bank or credit union proceeds to issue a chargeback to the merchant. 4. A Product Not Delivered chargeback means the customer believes they did not receive the goods or services they purchased. 4 Reason Code 4841 UK— Cancelled Recurring Transaction for MasterCard Added addtional use to chargeback message reason code 4841 in 11. The shorthand description is “Canceled Recurring or Digital Goods Transactions. Visa Chargeback Reason Codes. Excessive Chargebacks: The merchant exceeded established chargeback thresholds. Chargeback reason American Express reason code Discover reason code Mastercard reason code Visa reason code; Cancelled subscription: C28: NF: 4841: 13. 7: Defective goods and services: C32: RM: 13. Chargeback reason American Express reason code Discover reason code Mastercard reason code Visa reason code; Cancelled subscription: C28: NF: 4841: 13. Cancelled: Recurring . Goods or Services Not Provided. The cardholder may be the customer or the someone who lent their card to a friend or relative. Either way, the end result is an unauthorized transaction that results in a chargeback. Merchants. It indicates that the merchant has not properly deposited the transaction amount within the card network’s acceptable time frame and a chargeback will be issued as a result. REQUEST A DEMO. 497 Intra-European Message Reason Code 4841-Canceled Recurring or Digital Goods Transactions. 4860 – Credit Not Processed. 4853 – Cardholder Dispute – Goods or Services Not Provided. Depending upon the class, a retailer will have a swift way to offer evidence supporting the claim. Values are: Blank: Use the draft G/L date. Discover: Reason Code 4755 Non-receipt of goods or services. 1: Fraud (10) EMV Liability Shift Counterfeit Fraud: 10. These codes are notoriously inaccurate; in fact, first-party fraud is predicated on reason codes being inaccurate. Example: 25. If the cardholder is using the chargeback process incorrectly — a practice commonly referred to as “friendly” fraud — the information provided to the bank. With that said, you still need to understand the reason codes with any chargebacks from Amex. Vendors that do not. Cardholder Dispute: Digital Goods Purchase of USD 25 or Less / “No-Show” Hotel Charge. Visa Claims Resolution is a Visa-specific platform that seeks to declutter and streamline the consumer dispute and chargeback resolution process. You can learn more about each one by visiting the Mastercard Chargeback Guide. Vantage HouseStep 1: The cardholder disputes a charge. 3: Goods or services were not received: C08: RG: 4855: 13. It indicated that the transaction amount wasn't what the cardholder agreed to. MasterCard chargeback reason codes are a set of four digits beginning with the 48xx. . 1. Unlike other. Now we are very familiar with the word ‘Chargebacks’ from the expert at Chargeback Expertz. You’ll see that all chargebacks ultimately stem from one of three causes: merchant error, criminal fraud, or friendly fraud. The transaction amount and authorization number (ARN. 1: Services not provided or merchandise not received: VCR Dispute Reason Code 13. A chargeback reason code is a two- or four-digit alphanumeric code issuing banks assign to disputes. 1. The issuing bank collects evidence from the customer and categorizes the chargeback using the appropriate, card network-specific, reason code. 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. 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. Reason code 4841 - Canceled Recurring Transaction Merchant Should Demonstrate: That cardholder did not cancel, or canceled after the transaction date. These chargebacks will show up under reason codes that will, on first glance, appear legitimate. ; Resources. 3. 1: EMV Liability Shift: 10. 4 Other Fraud Card Absent. Response to retrieval request: Based on the information provided, the acquiring and issuing banks resolve the dispute, if possible. Reason . The first two digits indicate what category the reason code falls under: 10 for Fraud, 11 for Authorization, 12 for Processing Errors, and 13 for Customer Disputes. A chargeback is a return of money to a payer of a transaction, especially a credit card transaction. A chargeback is the reversal of a sale transaction that arises from a processing technicality, a customer dispute or fraudulent activity. 496 Improper Use for Acquirer's Second Presentment. Mastercard Chargeback Reason Codes | Sift MasterCard Chargeback Reason Codes MasterCard uses four main categories to organize its reason codes: Authorization, Card. The standard chargeback process involves eight steps: Retrieval request: The card-issuing bank requests that the acquiring bank provide additional information for a given transaction. This may be done by either the merchant or the issuing bank. Time Limit in Calendar Days. The Late Presentment chargeback rights and language were moved from chargeback reason code 4834 (Point of Interaction Errors) to reason code 4808 (Authorization-Related Chargebacks). Despite concerns about increased friction, every merchant should deploy 3-D Secure at checkout. The following are reason codes for the same scenario: Visa: Reason Code 30 Services not provided or merchandise not received. Other reason codes address entirely understandable reasons for cutting a. It will be incorporated into code 4853. Time Limit. Mastercard chargeback reason code 4841 falls under the “Cardholder Disputes” category. It is associated with a chargeback reason code, and it is specific per Card Scheme. Key-in your chargeback reason code and get a detailed explanation of what it means, how to fight the chargeback, and how to prevent disputes in the future. Reason. The first thing you should do when you receive a chargeback notification is to check the reason code that the card issuer assigns to the dispute. S. A “No Authorization” code chargeback can also be the. 1 Chargeback reason American Express reason code Discover reason code Mastercard reason code Visa reason code; Cancelled subscription: C28: NF: 4841: 13. Chargeback Reason Codes Page 3 of 5. 4: Other Fraud–Card-Absent Environment. It’s important to look up the code to understand why a transaction, good, or service was disputed in order to properly present a solid case to win the chargeback. DD: Unearned. For each reason code, a definition is provided along with the merchant’s actions—or failure to act—that may have caused the chargeback,M10 Vehicle Rental – Capital Damages. 3. Reason Code 04. 2 EMV Liability Shift. The cardholder claims they were charged multiple times for a single transaction. Card Number: Alphanumeric: The first 6 digits, followed by. “It’s a lot tougher with Mastercard because they only use four main codes. . Chargeback reason code 11. Issuers must not initiate a chargeback for magnetic-stripe (POS Entry Mode value of 90 or 02) transactions on non-chip enabled cards. 3: Not as Described. The reason_code will be one of the following values: chargeback_reimbursement: The gross shows positive if the chargeback was resolved in the seller's favor, and the seller gets a refund. During this process, the representative of the institution examines the reasons’ list. Reason Code Reason Description; 4841: Cancelled Recurring Transaction: A recurring transaction was processed after it was canceled or that the cardholder's account was. This list was generated 5/4/2022. For your reference, here's a list of chargeback reason codes for Visa, Mastercard, Discover, and Amex. The bank or credit union then conducts an investigation to ascertain the validity of the dispute. For example, Mastercard has a code which indicates a ‘consumer dispute. Currency conversion not allowed. Cardholder Dispute Chargeback - 4853 Sub-categories. Not only that, but a higher win rate may incentivize banks to conduct greater due diligence before filing a chargeback in the future. MasterCard: Reason Code 4859 Services not rendered. Reasons a customer may initiate a chargeback include: Ordering a product and not receiving it. 60. Following the prompts. The chargeback process allows for merchants to dispute chargebacks. While every card system has its own particular exceptional arrangement of chargeback reason codes, the categories are fundamentally very similar. MASTERCARD Dispute Reason Codes. Managing Reason Code 41 chargebacks. 1 4863: Cardholder does not recognize. chargeback message reason code 4841 in 6. chargeback message reason code 4841 in 6. MASTERCARD 4841 Canceled Recurring Transaction Cancelled/Returned by Cardholder NO YES MASTERCARD 4842 Late Presentment Processing Error YES NO. Chargeback reason code 4853 can be used to indicate disputes where the cardholder simply claims that the merchant never delivered on what was promised. Everything You Need to Know (2023) Shopify POS has everything you need to sell in person, backed by everything you need to sell online. The following chargeback reason codes are related to EMV: Visa: 10. Doc Preview. 1 Acquirer Use of Message Reason Code 7623. As we touched on earlier, chargebacks can happen due to technical errors. PCI DSS v3. 4807 – Warning Bulletin File. Products. “Visa has 28 different reason codes. 9% and 100 chargebacks per month], you can get into the excessive chargeback program, which can cause penalties of up to $50 per chargeback. WEX began issuing chip cards in Q4, 2020. 1 Quick Reference Lead. Visa chargeback reason codes. . Credit card chargebacks occur when a customer has a chargeback dispute and decides to question a charge on their credit card statement with their Credit Card Company or issuing bank. . Reason codes are alphanumeric codes that provide the justification for granting a chargeback. Let’s say you got a Visa chargeback with reason code 13. 1. A dispute often has a reason code associated with it. Nothing immediately identifies a chargeback as being the result of first-party misuse. message. Codes are not often shared between issuers which means it can be difficult to remember the details of each. Basically the Chargeback time frame include. A chargeback can happen when a customer initiates a transaction dispute. Overview. Chargeback Reason Codes > Chip Liability Shift > Issuer Chargeback > Chip Liability Shift Program for Domestic and Intraregional Transactions Chapter 5—Compliance Case Filing Incorporated the changes announced in “AN 1677—Revised Standards—QuestionableEventually the existing chargeback reason codes won't be used and will be removed from this guide. 0 rule changes take effect April 15,. View the entire list of Mastercard reason codes below or search our database for specific insights. This can provide important information to fight the dispute. 7: Defective goods and services: C32: RM: 13. Reason codes are just what they sound like, an identification code used to categorize why a transaction is being refuted by the card holder. 41 4841 Cancelled Recurring Transaction 53 4853 Not as Described or Defective MerchandiseChargeback Reason Code. Visa, Mastercard, and other leading card companies each have their own respective set of codes for this purpose. Prior to to, Mastercard’s list of reason colored was long, convoluted, and confusing; currently there been fewer than ten different reason codes relevancy to majority merchants. Merchants can find a. The time limits for responding to a chargeback also vary based on the card scheme and the chargeback reason code. . It’s important that you include a copy of your customer terms and conditions in order to prove that the customer knew what to expect from the outset. While creating the reason codes, the bank asks the customer about the reason for dispute and then assigns a code. 4860 – Credit Not. In fact, the total costs of chargebacks exceed $30 billion per year, which is more than the revenue of many Fortune 500 companies, like McDonald’s and Netflix. 7: Defective goods and services: C32: RM: 13. Please note that the most common Chargeback reason code for Allocation disputes is 10. Administrative returns (R02, R03, R04): 3%. This chargeback reason code means that the cardholder was not able to recognize the charge on their bank statement and believes that the transaction was fraudulent. MasterCard’s Corporate Purchasing Department Account Program does not have rights for the following message reason codes: 4835 — Card Not Valid or Expired. 10. Get your finish guide on Mastercard reason codes, including all the detailed data, chargeback time limits, and other important information you need. Region Only) 4855: Goods or Services Not Provided. Chargeback reason codes used to categorize fraudulent chargebacks include American Express reason code 193, Visa reason code 83, MasterCard reason code 4863, and Discover reason code 6040. 6: Duplicate processing/Paid by other means. Blog. 4841. Visa Chargeback Reason Codes. MasterCard chargeback reason codes are a set of four digits beginning with the 48xx. . Does anyone use this service or the service offered by Visa?. 4834 – Point-of-Interaction Error – Point-of Interaction (POI) Currency Conversion (Dynamic Currency Conversion) 4834 – Point-of-Interaction Error – Unreasonable Amount –. txt) or read online for free. Reason code 4841 - Canceled Recurring Transaction. The cardholder claims either that the merchandise was never received, or the services purchased were not provided. The issuing bank will evaluate the evidence provided and, if they find it compelling, reverse the chargeback. How you respond is determined by the chargeback reason code: Embed This Graphic. MasterCard chargeback reason code 4540. MDR also retired reason code 4840 – Fraudulent Processing of Transactions. This chargeback will include a description that provides additional information: Digital Goods $25 or Less. A chargeback attempt may fail if there is not a valid reason for it, and card issuers are unable to force a merchant’s bank to refund credit card payments. 2. This chargeback may be reversed if merchant can provide proof that the correct fare was quoted to Cardholder; That the Airline cancelled the. Goods / Services Damaged or Defective. Mastercard. Responses to retrieval requests that are over 4 pages will. In these situations, a merchant’s billing descriptor is simply not recognized by the customer. Consider Deadlines. most common reason codes for recurring merchants include: 7. 496 Two or More Previous Fraud-related Chargebacks. 1 chargeback: 1. 10300 49th St N #427, Clearwater FL 33762, USA +1 855-465. . Reason codes are just what they sound like, an identification code used to categorize why a transaction is being refuted by the card holder. UA02 Fraud – Card Not Present Transaction. 1/2/2020. Reason code 83 represents a chargeback categorized as. 3. Transaction not authorised – the Card Issuing Company is stating that an authorisation code was required for the transaction, but it was not obtained. What is the chargeback representment process? When faced with a chargeback representment, you should take these steps. 10. Chargeback Reason Codes 41 and 4841 may be caused by one of the following actions: The cardholder: Did not authorize the charge. Like traditional chargeback reason codes, an ACH return code indicates why the RDFI initiated the transaction reversal request. Company. 1 Mastercard chargeback reason code 4849 falls under the “Fraud” category. 4 Updated Discover chapter for April (2012) Enhancements Chapter 2 1. THE LAG It can take anywhere from 15 days to 6 months for a. If the chargeback is in the customer’s favor, the bank reverses the transaction and debits the business’s acquiring bank instead of crediting itThe most common chargeback reason codes are fraudulent charges, unauthorized transactions, and products not received, however, there are dozens of different chargeback reason codes for cardholders to choose from. The Mastercard chargeback reason codes were condensed down in 2016, like the process that Visa just underwent with Visa Claims Resolution. 4841 – Cancelled Recurring or Digital Goods. This code is used when a cardholder claims that a fraudulent transaction occurred in a face-to-face environment, such as a retail store. In short: yes. 4545. Mastercard chargeback reason code 4842 falls under the “Point-of-Interaction Error” category. 4812 – Account Number Not On File Cardholder Dispute. When a merchant sees this reason code, it means that they presented a transaction to the cardholder’s issuing bank after the deadline for doing so. Technical. For details on how to receive notifications of chargebacks, accept or dispute them, and submit evidence to. 3. 4 Fraud – Card-Absent Environment. Technical. 4853 – Cardholder Dispute – Credit Posted as a Purchase. What Are the Time Limits for Mastercard Chargeback Arbitration? Starting from the date the chargeback representment was filed, issuing banks have 45 calendar days to file a pre-arbitration. . 2 Proper Use for Acquirer’s Second Presentment Listed as American Express reason code 193, Visa reason code 83, MasterCard reason code 4863, and Discover reason code 6040, customers file fraudulent chargebacks when they believe fraud has occurred. Unfortunately, the final decision in such cases comes down to the issuing bank, and not. Lack of proper chargeback reason codes. 15, 2021. To apply for the Chargeback, the issuer must submit the First Chargeback or 1442 Message with the application Reason Code. You’ll put that reason code, the transaction amount and authorization number, and state that the. 1 – Merchandise/Services Not Received; Mastercard Reason Code 4853 – Goods or Services Not as Described or Defective;. 1 Chargebacks A chargeback is a rules-based mechanism, with time-sensitive workflows, that enables the issuer and the acquirer to determine the financial liability of a disputed transaction. Reason Code Number. While chargebacks happen for a variety of reasons , the most common reason is that a customer no longer wants the service or product sold to them. Change of Chargeback Reason to an Authorization-related Chargeback Replace ‘Change of Reason within the Cardholder Dispute Chargeback’ with this section. American Express Chargeback Codes (2023) American Express functions as a card network and an issuing bank. 2. About Visa chargeback reason codes. 0: Changed report name from Downloadable Dispute Report to Case Report. 90 Days. Chargeback Code Chargeback Reason; 4801: Requested Transaction Data Not Received: 4802: Requested / Required Information Illegible or Missing: 4807:. American Express chargeback reason code C42. Visa groups its chargeback codes into four main categories—fraud, authorization, processing errors, and customer disputes. 3: Not as described or defective merchandise: VCR Dispute Reason Code 13. 0. Reason Code. Recent Posts. After the issuing bank’s unsuccessful attempt to identify the transaction for the cardholder, the chargeback process begins. In such circumstances, networks like Mastercard may allow consumers to reverse such a transaction by filing a chargeback. • 4841: Cancelled Recurring Transaction • 4842: Late Presentment • 4846: Correct Transaction Currency Code Not ProvidedThe reason code may not necessarily reflect the actual reason for the chargeback, but you ought to respond to it based on the provided chargeback code. Mastercard Reason codes fall under four categories. Reason Code 02. Breaking Down Chargeback Fees. For instance, if the customer claims unauthorized purchase, your letter should cite evidence, such as an IP address matching previous purchases, to support. Here’s how your store can prevent and deal with chargebacks. The time limit for issuers to instigate a first chargeback are calculated based off the Central Site Business Date (the processing date of the first presentment) and are usually 60, 90, or 120 days in duration. MasterCard chargeback reason codes are a set of four digits beginning with the 48xx. Auto Write Off. Pages 100+ Identified Q&As 7. 4807 – Warning Bulletin File. Then it chooses the most applicable code for a. 4841. 4808 - Authorization Related Chargeback. Did not issue a credit, because it does not accept returns, but did not properly disclose its return policy. Despite all the rules and guidelines, the outcomes of the chargeback process can be, at times, subjective, and can vary based on the scenario, merchant payment. If you leave this processing. Paymentology will submit the chargeback using the appropriate chargeback reason code. Code: Category: Description: 10. compliance process depending on whether a chargeback right exists. Reason codes for the chargeback with detailed explanation of what it means, how to dispute the chargeback, and how to avoid future disputes. What stands out about the Discover reason codes list, though, is most of the codes are alphabetically-noted rather than numeric. prenotification of chargeback, depending on the chargeback reason code, to the agency requesting additional documentation to properly dispute and remedy the chargeback. Chapter 6 Pre-Arbitration and Arbitration Case Filing-For Chargebacks Initiated On or After 17 July 2020 > Time Frames and Requirements > Dual Message System Pre-Arbitration andResponding to Mastercard Reason Code 4853 Chargebacks. 4841: Cancelled Recurring Transaction: 4842: Late Presentment: 4846: Correct Transaction Currency Code Not Provided: 4847: Exceeds Floor Limit – Not Authorized and Fraudulent Transaction: 4849:Chargeback Reason Codes > Chip Liability Shift > Issuer Chargeback > Chip Liability Shift Program for Domestic and Intraregional Transactions Chapter 5—Compliance Case Filing Incorporated the changes announced in “AN 1677—Revised Standards—QuestionableWhat is Mastercard chargeback reason code 4871? Mastercard chargeback reason code 4871 falls under the “Fraud” category. You cannot effectively fight chargebacks until you identify which of these three things is actually responsible. Across open networks and include account numbers sent over email, instant messaging, text, or chat. About Careers Contact. Not remembering the original purchase. The most popular type of disputes of the chargeback category. Here are some numbers on chargeback reason codes: 30% - the number of chargebacks that result from transactions made with a stolen card. This liability shift essentially provides merchants. For example, the dispute reason “Cardholder Does Not Recognize” is denoted under the Discover reason codes system as “AA. Built with a single, intuitive console, Sift’s end-to-end solution eliminates the need for disconnected tools, single-purpose software, and incomplete insights that drain operational resources. The Chargeback Reason Codes are alphanumeric key codes provided to the merchant and that comes along with. A smarter, simpler way to stop fraud. However, Visa is the largest card brand in both the United States and the world. Each code corresponds to an issue or problem. Reason codes are alphanumeric codes that provide the justification for granting a chargeback. But in reality, chargeback reason codes. Oftentimes, the reason code assignment is based on limited knowledge and insight. 70 . 1. This scenario applies when the arbitration was raised by either the. Visa chargeback reason code 75 is implemented when there is a transaction listed in. Acquirer Use of Message Reason Code 7623. Each card issuer follows their own standards for defining reason type, code and its format. Mastercard Chargeback Reason Code 4841: Cancelled Recurring Transaction Description The issuer received a complaint by the buyer that he was charged for. PratikZanke. Chargeback Reason Codes > Chip Liability Shift > Issuer Chargeback > Chip Liability Shift Program for Domestic and Intraregional Transactions Chapter 5—Compliance Case. 4841 – Canceled Recurring or Digital Goods Transactions. A customer payment dispute, more commonly called a “chargeback,” happens when a cardholder disputes (challenges) a payment card transaction and asks the card-issuing bank to reverse it. Chargeback representment is the process through which merchants can submit evidence to prove that a chargeback is illegitimate. This reason code is accompanied by a fraudulent reason code (UA). Every chargeback is filed with a reason code that identifies the given reason for the dispute. Each chargeback has a chargeback reason code assigned to it, which is a two-digit number that corresponds to the reason the customer is disputing the charge. The number of in-person fraud attacks attempted in the UK has dropped by 69% since 2004. You can learn more about each one by visiting the Mastercard Chargeback Guide. If a customer makes a chargeback request on the basis that he or she has not authorised the transaction, the customer's bank will charge the transaction back to the merchant’s bank. Chargeback reason codes. 4841. 4854 – Cardholder Dispute – Not Elsewhere Classified. However, it is important to note that this reason code is based on the reason given by the customer to their bank.