Updated August 23, 2023. Unauthorized returns (R05, R07, R10, R29, R51): 0. 3. EN. The claim often, but not always, involves automated teller machines (ATMs). Read the Chargeback Advice letter carefully. Reason Code 4854 Category Cardholder Dispute Claim The cardholder tried resolving a dispute with the merchant but was unsuccessful. When a cardholder makes a purchase, but regrets it later, they may file a chargeback to recoup their money. Either the acquiring or issuing bank could initiate the. Mastercard chargeback reason code 4834 applies for a specific type of customer payment dispute. pdf) or read book online for free. Arbitration Chargeback/1442 Message - MasterCard. Any type of recurring billing scenario can lead to. [1] Sift. 4532 . What stands out about the Discover reason codes list, though, is most of the codes are alphabetically-noted rather than numeric. Visa Chargeback Reason Codes; MasterCard Chargeback. Elaboration of MasterCard Reason Codes B Y C H A R G E B A C K E X P E R T Z ; 2. Visa, MasterCard, and American Express all list compelling evidence by reason code. Each card issuer follows their own standards for defining reason type, code and its format. If the order was genuinely not as described, then the cardholder has a case. WEX has repurposed chargeback reason code 10 to indicate EMV chargebacks. The time limits for responding to a chargeback also vary based on the card scheme and the chargeback reason code. The issuer is still limited to processing the chargeback within 120 calendar days of the transaction’s Central Site Business Date. 10. Last updated: October 15, 2019 . If one member believed the other violated a Visa rule when handling a chargeback, they filed a pre-compliance chargeback for compensation. This chargeback reason code can be avoided by ensuring that returns are processed promptly and accurately, and that the customer is informed of any credits issued. ABELLA, Petitioners, - versus - MADELINE C. Take the time to note the following dispute reason codes for Visa. The new reason codes follow a format of two digits, a period, then a third digit. M49 Vehicle Rental – Theft or Loss of Use. The chargeback process can last from one month to six months. 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. Cause The merchant failed to resolve an issue with a customer in adequate time or outrightly denied the request. Thus, the easiest way to prevent chargeback reason code 75 from being. 7: Defective goods and services: C32: RM: 13. Chargeback prevention strategies vary based on the reason for the. Vendors that do not have a well-drafted shipping and order fulfillment policy are susceptible to this category of Shopify chargebacks. Below you will find the reason codes for the dispute events Chargeback, Request for Information (RFI), and Notification of Fraud. 4854 – Cardholder Dispute for the US; 4853 – Cardholder Dispute; Visa. Chargeback Guide28 April 2016. These codes are notoriously inaccurate; in fact, first-party fraud is predicated on reason codes being inaccurate. There are over 80 unique return codes, each representing a different return type. If one of your customers issues a chargeback through their bank, you have the chance to dispute it and win back the funds. High Level Visa Chargeback Dispute Flow. Chargeback reason code. See full list on chargebackgurus. 4854: Cardholder Dispute (U. For example, some reason codes offer cardholders over a year to file. The major card networks have unique reason code systems, and banks use separate tools. 4808. 2. The assigned chargeback reason code outlines why a customer submitted the dispute. About Mastercard chargeback reason codes. 4 spec (Section 8. 4. Based on the information provided, Paymentology will investigate the transaction being disputed. chargeback_settlement: The gross shows negative if the chargeback was resolved in the buyer's favor, and the funds return to the buyer. Additional Remedies Acquirers can use the following second presentment message reason codes to submit a Second Presentment/1240 for message reason code 4854. It can range from 60 to 120 days from the billing date. The transaction amount and authorization number (ARN. 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. Reason code 53 is typically used when a cardholder received merchandise or service that was defective, damaged, or not as described, while reason code 85 is used when credit was not processed to the. Your chargeback response must include at least one of the following items: Explanation and documentation to refute the cardholder’s claim. The tickets were held at the box office, and no signature, swipe or imprint. Chargeback Reason Codes Card Type Reason Reason Text Chargeback Category Preventable Reversible Code DISCOVER 4502 IC-Illegible Sales Data Request forEventually the existing chargeback reason codes won't be used and will be removed from this guide. 1 EMV Liability Shift 10. The Visa chargeback reason codes system underwent a major overhaul in April 2018 as part of their new Visa Claims Resolution (VCR) initiative. Reason code 4853 refers to the broad category “Cardholder Dispute. Dispute of the holder not classified in another CDG. pdf - Read online for free. Inform your acquirer of the date that the credit was issued. #9. 4850 Installment Billing Dispute. However, Shopify has whittled down these 100+ reason. Arbitration Chargeback/1442 Message - MasterCard. English Deutsch Français Español Português Italiano Român Nederlands Latina Dansk Svenska Norsk Magyar Bahasa Indonesia Türkçe Suomi Latvian Lithuanian česk. Ensure you act on subscription cancellation requests immediately and confirm the cancellation by text or email. It is important to identify and understand the root cause and take the necessary steps to dispute the chargeback. Dispute reason code triggered. 2 for Visa and Reason Code 4850 for Mastercard). There is a USD 25 limit for the First Chargeback (Reason Code 22). • Require cardholder letter or email as supporting documentation in first chargebacks for chargeback reason code 4863 (Cardholder Does Not Recognize). 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. Which Mastercard chargeback reason codes were condensed down in 2016, like the processed that Visa just underwent with Passport Claims Dissolution. American Express is incentivized to keep their customers happy. Chargeback time limits vary widely depending on the issuing bank, and the chargeback code or reason. 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. Step 2: Customer initiates the chargeback – After the customer reviews their credit card statement at the end of. Chargebacks Explained;. Use pre-sale fraud detection service providers that can help verify the cardholder’s identity, detect potential criminal activity, and reduce the risk of accepting unauthorized transaction. In the case of friendly fraud, that reason could be completely invalid and. Discover chargeback reason code 7030. e. Payment method. Because it’s so easy for customers to initiate a chargeback, retailers are bound to experience a request at. TRINIDAD, Respondentsmessage. Articles; Chargeback Reason Codes;. This means providing evidence that will undermine the cardholder’s claim. Mastercard Chargeback Reason Code 73: Duplicate Transaction. Get your complete guide to Mastercard reason codes, included all the detailed information, chargeback time limitings, or other important information it need. Chargebacks Explained;Chargeback Reason Codes. And according. 1=1010, 10. 4854: Cardholder Dispute-Not Elsewhere Classified: 4855: Goods or Services Not Provided: 4859: Addendum, No-show, or ATM Dispute: A chargeback is the potential outcome of a disputed credit or debit card transaction. Understanding these codes is essential because they'll guide your response strategy. Issuers will not have the ability to submit lost/stolen fraud chargebacks for chip-on-chip (contact or contactless) AFD transactions. Issuers must not initiate a chargeback for magnetic-stripe (POS Entry Mode value of 90 or 02) transactions on non-chip enabled cards. 9% and 100 chargebacks per month], you can get into the excessive chargeback program, which can cause penalties of up to $50 per chargeback. To better be prepared for what the future might bring, we try to predict how hacking tools might evolve. 4853 – Cardholder Dispute – Credit Not Processed. Most reason codes apply to any merchant, regardless of what’s being sold. 5%. BIO. 4837 — No Cardholder Authorization. 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. All ACH return reason codes consist of the letter “R” followed by two numbers (R01, R12, R22, etc. Select a tab to see the possible reason codes for each dispute event category, divided by scheme. To generate a chargeback, the issuer must submit the First Chargeback / 1442 message with the applicable message reason. Include any terms relevant to the transaction, including return, cancellation and. Specifically, the codes 4850, 4854, 4855, and 4860 offer varying time limits. Processing recurring payments increases your susceptibility to chargebacks. district just) 4855: Goods or Services Not Recieved 4859: Addendum, No-show, or ATM DisputeMost acquiring banks put a timeframe on when customers can initiate a chargeback for a purchase. 2=1020 etc. One of. 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. Maestro. ” Currently, merchants can already prevent many 10. Each bank card network has its owner list of reason codes banks must prefer from. 1. Specify the invoice date and net due date to assign to chargebacks. 4854: Cardholder Dispute—Not Elsewhere Classified (U. Reason Code: Numeric: Code for the chargeback request (see below). For example, Mastercard has a code which indicates a ‘consumer dispute. 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. 598 Correct Number of Installments. Visa chargeback reason code 75 is filed as an honest mistake. 15% - the number of chargebacks initiated by cardholders due to retailers shipping the wrong product. 30 days. 7, "Compelling Evidence" Added Compelling Evidence policy that details incremental optional requirements that Merchants may provide to support Chargeback reversal requests. Learn the details, the cause, how to respond and how to prevent Mastercard Reason Code 4854 Cardholder Dispute Not Classified Elsewhere (US) . A chargeback happens when a customer requests for a transaction to be. A transaction modifier (or modifier) represents specific circumstances associated with a card sale that change what compelling evidence is required to overturn the chargeback. Card issuers and card networks deem certain chargeback codes to be nearly indisputable by merchants, and as a result, a merchant can be charged a fee of up to $500 by card networks for submitting a dispute of such chargebacks. Unlike other. The ECI value tells you what to do next in a 3DS transaction — proceed, reject the purchase, or try again. Terms and conditions. If the cardholder’s bank accepts the dispute, they will reverse the transaction, taking the funds back from the merchant and returning them to the cardholder. Reason Code Number. Q. ©Collect Compelling Evidence. Depending upon the class, a retailer will have a swift way to offer evidence supporting the claim. Merchants can find a. Reason Code. 10. MasterCard time limits vary depending on the applicable reason code. . • 2002 —Nonreceipt of required documentation to support chargeback • 2004 —Invalid Acquirer Reference Data on chargeback; documentation was received • 2011 —Credit previously. Reason codes are just what they sound like, an identification code used to categorize why a transaction is being refuted by the card holder. When a cardholder disputes a charge, their issuing bank will review the transaction and decide if. MasterCard ChargeBack Guide 20141030. Not only that, but a higher win rate may incentivize banks to conduct greater due diligence before filing a chargeback in the future. Administrative returns (R02, R03, R04): 3%. From there, a merchant can accept the chargeback or take action through the representment process to attempt to have the chargeback reversed. However, they don’t address the reason why that chargeback was issued in the first place. TB. 0: Updated report version from 1. See the list of reason codes below: Card Network. The implication is that the merchant is at fault. Additionally, one clearing transaction. Chargebacks911 offers the most comprehensive chargeback management system available,. 08. The terminal action codes are in Table 122 of the 4. . Visa Chargeback Codes: 30: Services not provided or Merchandise not received : 41: Cancelled recurring transaction : 53: Not as Described or Defective merchandise : 57:. MASTERCARD 4854 CardholderDispute-Not List of Chargeback Reason Codes. PCI DSS v3. Chargebacks. These reason codes indicate disputes that occur as a result of inaction or wrong action on either party’s part (merchant or cardholder). While there are reason codes related to processing errors that cause disputes, the majority of reason codes result from a cardholder disputing a charge. For example, 10. EN. MasterCard time limits vary depending on the applicable reason code. Elaboration of MasterCard Reason Codes. Acquirer Reference Data (ARD) Does Not Match or is Invalid. Be sure to communicate with the customer and their bank professionally and courteously. The list of chargeback reason codes in this article is organized by card brand and type of dispute. The ECI value tells you what to do next in a 3DS transaction — proceed, reject the purchase, or try again. 4807 – Warning Bulletin File. 3. Removed these Discover Chargeback Codes: AL, CA, IC, IS, NC, SV, U03, UNR. Fortunately, chargeback reason codes make it easy for merchants to understand the cause of chargebacks. If you receive a chargeback from a cardholder, blacklist them and. Transaction Amount: Decimal 0. 1 Quick Reference Lead. Those reasons are explained through the corresponding reason codes. Date Option. Chargeback /Dispute; Merchant Response. Shopify Payments Chargeback Reason Code #5: Product Not Delivered. 0 ratings 0% found this document useful (0 votes)Mastercard issuers use merchant advice codes to respond to authorization requests, and as a communication tool with merchants regarding a cardholder's account. Once you know why a chargeback happened, you can start building a case to address the claims that were made. 4812. Visa Chargeback Reason Codes. Many subscription payment disputes are made under code 13. Summary of Changes, 10 May 2016. Proof that the chargeback is invalid because it doesn’t adhere to Mastercard requirements. Required Authorization Not Obtained. 2. There are no format changes to the sales file specification; there are additional values added to the sales file to designate chip card transactions. In most cases, you will have 20-45 days in which to respond to a chargeback. Get owner complete guide to Mastercard reason codes, including all the detailed informational, chargeback time limits, and other important information you need. Study Resources. Level 4/Phase 4: Arbitration. English Deutsch Français Español Português Italiano Român Nederlands Latina Dansk Svenska Norsk Magyar Bahasa Indonesia Türkçe Suomi Latvian Lithuanian česk. The number of in-person fraud attacks attempted in the UK has dropped by 69% since 2004. The Mastercard chargeback reason codes were condensed down in 2016, like the process that Visa just underwent with Visa Claims Resolution. Across the four major credit card networks (i. Depending on the specific situation, Mastercard will match authorization response to one of the following merchant advice codes: Mastercard Response Code. 7. 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. FR4 Immediate Chargeback Program. chargeback_settlement: The gross shows negative if the chargeback was resolved in the buyer's favor, and the funds return to the buyer. It balances out the process and gives merchants the much-needed opportunity to influence the progression of a dispute before it becomes a fully-fledged chargeback. Chargeback Base Codes by Network - 2023 Guide. 5 Visa Fraud Monitoring Program. 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. API status is evidence_required and chargeback code is ADJM. There are multiple situations in which this can occur. Example: 25. 1 chargeback: 1. You must designate the write-off reason code for the system to use when you activate the automatic write-off feature. The network hasn't wholly disallowed some old codes. If you believe you have received an ACH return in error, you can contact your bank. . Mastercard Chargeback Time Limits are all the different deadlines that banks, cardholders, and merchants must follow when filing and contesting disputes. It’s typical to see fraud chargebacks roll in 2-3 months after the initial charges took place. 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. Subscribe today to our newsletter and stay up to date with all events coming straight in your mailbox:Section5. Authorization. txt) or read book online for free. VCR tables (Figures 1 and 2) map the old Reason Code to its new Reason Code. But research by Javelin found that merchants dispute 43% of all chargebacks and succeed at 60% of those disputes. For educational purposes, here is an overview of the general chargeback process with most major processors: Step 1: A purchase occurs – All chargebacks start with a customer making a purchase, either in-person, in-app or online. Chargeback Reason Codes The Ultimate Guide; BIN Lookup Find a Card's Issuing Bank; ROI Tool The Cost of Chargebacks; Resource Hubs. 0. Goods / Services Damaged or Defective. When a customer who's enrolled with 3-D Secure from their bank initiates a purchase, the tool will deploy during the. Mastercard uses a four-digit numbering scheme for its chargeback reason codes. The cardholder claims either that the merchandise was never received, or the services purchased were not provided. For example, the merchant bills the cardholder in installments. Arbitration Chargeback/1442 Message - MasterCard. Try Shopify free for 3 days, no credit card required. S. The Mastercard chargeback reason codes were condensed down in 2016, like the process that Visa just underwent with Visa Claims Resolution. When a customer who's enrolled with 3-D Secure from their bank initiates a purchase, the tool will deploy during the checkout. When that happens, the issuing bank will gather evidence from the customer and assign a reason code to the chargeback based on the card issuer. 4853 – Cardholder Dispute – Goods or Services Not as Described or Defective. Whenever a chargeback is initiated, a code is passed through from the issuing bank that gives a reason for the dispute. Chargeback Reason Code. Eligible Chargeback Reason Codes . EN. Chargeback Reason Codes The Ultimate Guide; BIN Lookup Find a Card's Issuing Bank; ROI Tool The Cost of Chargebacks; Resource Hubs. e above 0. This can provide important information to fight the dispute. Dispute Category. 4846. Updated Disputes/Chargeback Policy Coming April 2024Here are some steps you can take to handle chargeback requests: 1. 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. 16, 2021. Other reason codes address entirely understandable reasons for cutting a merchant off from their credit card processor, like participating in money-laundering schemes, colluding with other merchants to fix prices or. . Which is meant to know the reason for the dispute. Specifically, it has introduced a Compelling Evidence requirement for disputes falling under the Visa CE/30 chargeback reason code. 6, "Chargeback Reasons" Added requirements for each Chargeback Reason code. S. You’ll want to carefully review all chargeback reason codes so you are familiar with the very detailed regulations. 10. 4854 Cardholder Dispute—Not Elsewhere Classified (U. 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. com Chargeback reason code 4854: Cardholder Dispute Not Elsewhere Classified refers to situations where customers are unhappy with a purchase or transaction, but do not feel the situation can be resolved through the merchant. A chargeback happens when a customer asks their card-issuing bank to reverse a transaction. Choose the representment amount. It’s a 3-digit alphanumeric shorthand attached to a returned ACH transaction explaining why an ACH transfer is reversed. MASTERCARD CHARGEBACK REASON CODE 4854 De**ion Media Required Cardholder Dispute-Not Elsewhere Classified (U. Which fraud reason codes will be included in EMV Liability Shift? How are Lost/Stolen transactions affected? A. Author: Isaac Lambert. Mastercard specifies 21 reason codes under the categories of Fraud, Authorization, Point-of-Interaction Error, and Cardholder Disputes. The chargeback period, or the time limit for filing a chargeback, depends on the card scheme and the chargeback reason code. Recommend Documents. 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. In general, this means the cardholder was not happy with a purchase and blames the merchant. 4534. Pre-arbitration gives the acquirer and issuer. But, merchants should be aware that, eventually, everyone will be required to use the new designations. 1: Fraud (10) EMV Liability Shift Counterfeit Fraud: 10. Notes. Visa. Be sure you understand the cardholder’s claim. Mastercard Chargeback Time Limits are all the different deadlines that banks, cardholders, and merchants must follow when filing and contesting disputes. 4853 – Cardholder Dispute – Digital Goods Purchase of $25 or Less. pdf; of 571 /571. Reason Code: Description: 4837: No Cardholder Authorization : 4849: Questionable Merchant Activity: 4854: Cardholder Dispute - Not Elsewhere Classified (U. Mastercard Chargeback Reason Code 71: Disputed Amount. This liability shift essentially provides merchants. While there are many chargeback reason codes, all chargebacks fall into one of three categories:2. Time limits vary by card network and reason code, though, so you should look into the specific terms tied to the reason code. About American Express chargeback reason codes. 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. Supporting Documents. Also, Ethoca Alerts only notify you of chargebacks that occur within the alert. Like traditional chargeback reason codes, an ACH return code indicates why the RDFI initiated the transaction reversal request. 1. 45 days. Cardholder-Activated Terminal (CAT) 3 Device. The sales receipt and/or date and amount of the authorization if other than the transaction date. Visa’s 22 chargeback reason codes will be merged into client disputes – fraud, authorization, processing errors, and four guidelines. 13. This chargeback reason code is also referred to as “Point-of-Interaction” Errors. You can learn more about each one by visiting the Mastercard Chargeback Guide. Jan 2020_Chargeback Reason Code Encyclopedia - Free download as PDF File (. In simple terms, an Electronic Commerce Indicator (ECI) is basically a 3-D Secure response code. . Card networks use a system of chargeback reason codes to categorize chargebacks processed through their systems. “Visa has 28 different reason codes. Regardless, merchants must respond to the given reason code. For example, Visa reason code 83 is one of the reason codes with several modifiers with which it’s associated. chargeback_settlement: The gross shows negative if the chargeback was resolved in the buyer's favor, and the funds return to the buyer. This document reflects changes made since the 28 April 2016 publication. The way you manage chargebacks depends on your account setup. ”. Added the following fields - Store ID, Credit Card Chargeback Reason Code. Try Shopify free for 3 days, no credit card required. Another downside is that chargebacks on annual subscriptions. Encrypt transmission of cardholder data. Merchants. Each code refers to one of the specific rationales that card networks consider legitimate reasons for a customer dispute. Specifically, these updates only pertain to transactions that are charged back after Oct. The post below contains legacy information pertaining to the formerly-common Visa chargeback reason code 75. Consult the applicable network’s guidelines for examples of acceptable compelling evidence. Reason codes. Duplicate Processing. UA01 Fraud – Card Present Transaction. Credit card chargeback reason code: Type: Varchar; Unique: No; Blanks: Yes; Max length: 64 characters; Unique identifier which distinguishes the nature/reason of credit card chargeback reported. FR2 Fraud Full Recourse Program. com. Region Only) 4855: Goods or Services Not Provided: 4857: Card-Activated Telephone Transaction. Visa Chargeback Reason Codes. Mastercard Collaboration will be a step in the right direction. The charge you submitted did not receive a valid authorization approval code for the amount of the charge. Fortunately, chargeback reason codes make it easy for merchants to understand the cause of chargebacks. Mastercard uses code 4854 for disputes around installment billing. 4854: Processing Error: Cardholder Dispute-Not Elsewhere Classified: 4855: Non-Receipt of Goods or Services: Non-Receipt of Merchandise: 4857:The Mastercard chargeback reason codes were condensed down in 2016, like the process that Visa simply underwent with Visa Claims Dissolution. chargeback: The buyer filed a chargeback with the credit card issuer. 4: “Other Fraud. The cardholder's claim is fraudulent. Using the same link provided above, contact PayPal to report the scam. Chargeback Reason Code. . Visa Claims Resolution is a Visa-specific platform that seeks to declutter and streamline the consumer dispute and chargeback resolution process. Chargeback reason codes have changed. Multiple Authorization Requests. region only). We’ve all been there as an eCommerce owner: you excitedly ship out a $1,500 order to a customer, and then a few weeks later you’re notified that the customer has opened a chargeback dispute. In that way, winning one dispute may help prevent the next chargeback to come after it. These chargebacks occur to resolve chargeback-related disputes between network members. . Replaced Chapter 1, Processing Procedures— MasterCard Dual Message System. Consider using all the tools available to you—including Visa Secure, card security code (CVV2), and Address Verification Service (AVS). Each of the major card brands, including Visa, Mastercard, and others, have their own system of reason codes. These may impact the dispute time limits. Product/service not received. Accepting recurring transactions is enough cause for acquiring banks and processors to label you as a “high-risk” merchant. This code is used when a cardholder claims that a fraudulent transaction occurred in a face-to-face environment, such as a retail store. From a merchant’s perspective, the greatest asset offered by 3DS is protection against liability in the event of fraud. ”. Get your complete guide to Mastercard reason codes, including all the detailed information, chargeback time limits, and other important information you need. Here’s how your store can prevent and deal with chargebacks. Customer Dispute. Below is a simple set of instructions, based on different situations: If the transaction was verified using SCA ( 3D Secure ): provide this proof. No two merchants will get exactly the same chargebacks for the same reasons, but there are definite patterns depending on the market you serve. Though the credit card networks have a vast choice of codes, loopholes still happen. Claim Adjustment Reason Codes - All . Reason codes are just what they sound like, an identification code used to categorize why a transaction is being refuted by the card holder. 4807 – Warning Bulletin File. Chargeback reason codes identify the general reason behind a chargeback. The code can be used in multiple specific situations; when necessary, an additional message will be provided along with the reason code to inform the merchant which particular type of chargeback. Values are: Blank: Use the draft G/L date. 28 April 2016 Updated: 10 May 2016. Card Number: Alphanumeric: The first 6 digits, followed by. 4854: Cardholder disputes - Not classified in other category (US cardholders only) 4855:The Mastercard chargeback reason codes were condensed down in 2016, like the processed that Visa just underwent with Visa Claims Resolving. 4855.