Write a chargeback rebuttal letter (with sample template) 8 Ways to Prevent Chargebacks. You have submitted a Charge using an invalid or otherwise incorrect Card Number. Chargeback . Spot these types of chargebacks using. For each reason code, a definition is provided along with the merchant’s actions—or failure to act—that may have caused the chargeback,Visa is planning to shake up the chargeback process with new compelling evidence rules for fraud disputes with Reason Code 10. These codes can help a merchant with an inquiry or chargeback reversal. 3. 0 represents the first rules change of its kind that specifically provides merchants with the opportunity to reverse the fraud status applied to a transaction associated by reason code 10. Scenario 2. One might almost consider this chargeback a technicality, as it only exists when the merchant explicitly agrees to take liability for a dispute and accept a chargeback. If you want a more thorough explanation of a given reason code, you can find it in our reason code lookup tool. Chargebacks can pile up your expenses and can be annoying. “American Express Chargeback Reason Codes | Sift”. US/Canada Chargeback reason code. The way you manage chargebacks depends on your account setup. American Express reason code 155, Visa reason code 30, MasterCard reason code 4855, and Discover reason code 4755 are all specific reason codes for Shopify payment chargebacks. 4. The chargeback is ordered by the bank that issued the consumer's payment card. A service chargeback is filed by a customer, which means that you need to note the card type and dispute reason code so that you can determine which types of information to submit if you dispute the claim. EMV has been a mostly global standard since 2004. Goods / Services Damaged or Defective. 9905. UA10 Request Transaction Receipt (swiped card transactions) UA11 Cardholder claims fraud (swiped transaction, no signature)The Mastercard chargeback reason codes were condensed down in 2016, like the process that Visa just underwent with Visa Claims Resolution. chargeback_settlement: The gross shows negative if the chargeback was resolved in the buyer's favor, and the funds return to the buyer. Amex Processing Errors Chargeback Reason Codes P01 — Unassigned Card Number. Reason Code. P01: Unassigned C/M Account Number:. 4 Updated Discover chapter for April (2012) Enhancements Chapter 2 1. . in time or with the requested documentation, the Chargeback will stand. In simple terms, an Electronic Commerce Indicator (ECI) is basically a 3-D Secure response code. 08. Ensure that the digits of the. Chargeback Authorization: None: Inquiry/Miscellaneous: M10: Vehicle Rental - Capital Damages: None: Inquiry/Miscellaneous: M49: Vehicle Rental - Theft or Loss of Use:. Solution Case Studies Partners Company Blog Resources Data & Compliance FAQ See It In Action. This webhook contains: pspReference: Adyen's unique reference associated with the payment request. Incorrect Charge Amount. Simplify reason codes; Let’s look at each of these objectives a little more closely. Time Frames by Chargeback Type and Reason Code. Please note that each card network (MasterCard, VISA, American Express, etc. The issuer investigates. They can also be caused by a merchant failing to process a cancellation promptly. Visa retired the “unrecognized” reason code (number 75) — a reason code that wasn’t previously considered fraud. Discover - UA02 Fraud – Card Not Present Transaction. P01 – Unassigned Card Number; P04 – Charge Processed as Credit; Discover. 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 Account Number Not on File 4831 Transaction Amount Differs 4834 Duplicate. View the entire list or search for any chargeback reason code. Check the chargeback reason code. 1. Chargeback reason code 4853 can be used to indicate disputes where the cardholder simply claims that the merchant never delivered on what was promised. Also, just like American Express, Discover functions as both a card network and an. The issuing bank initiates the first chargeback on behalf of the cardholder by sending a chargeback notification to Adyen stating the dispute reason. Get your complete guide to Amex reason codes, including all the detailed information, chargeback time limits, and other important information you need. Each of the major card brands, including Visa, Mastercard, and others, have their own system of reason codes. It's essential to respond within the. Step 2: Customer initiates the chargeback. An ACH dispute results in a chargeback for the business that processed the payment. An invalid chargeback is defined as an unnecessary or non-compliant payment dispute — a chargeback that shouldn’t have happened. 6: Duplicate processing/Paid by other means. message. Overall returns (all codes): 15%. P01: Unassigned Card Number: P03: Credit. But why do they happen? 4 common types of hotel chargebacks. For example, Mastercard has a code which indicates a ‘consumer dispute. Take the time to note the following dispute reason codes for Visa. In-Depth Analytics Name which real reasons for transaction disputes and solve issues along their source. Partners. 5%. prenotification of chargeback, depending on the chargeback reason code, to the agency requesting additional documentation to properly dispute and remedy the chargeback. Choose the representment amount. It also has a multiplier effect that extends damages well beyond the amount of the disputed charge in question. Removed these Discover Chargeback Codes: AL, CA, IC, IS, NC, SV, U03, UNR. Choose “chargeback and inquiry status” from the drop-down menu. Code 10. This reason code is used when the cardholder claims that their card was used fraudulently without their permission. This will put the onus of the chargeback back on the card-issuing bank as opposed to the merchant, for many chargeback reason codes. The cardholder may be the customer or the someone who lent their card to a friend or relative. American Express chargeback reason code M01 falls under the “Inquiry/Miscellaneous” category. Accessed October 17,. The merchandise was as described or was not defective. Many of the merchant errors that result in chargebacks occur during transaction processing, where an errant keystroke or a procedural oversight can lead. Save fruition charges, prevent chargebacks, and. 1 Allocation Fraud and Authorization related chargebacks will be processed through an automated workflow. It is associated with a chargeback reason code, and it is specific per Card Scheme. Region Only) 4855 Goods or Services Not Provided. The chargeback initially results in the debit or credit card charge being reversed and the funds that you received for the payment being returned to the customer. Company. Each code refers to one of the specific rationales that card networks consider legitimate reasons for a customer dispute. 1 Different workflows Disputes will be routed in two different workflows, called Allocation and Collaboration. The shorthand description is “No Authorization. For example, 'R04' indicates that an invalid account number was. American Express Chargeback Reason Codes have four main categories, those are Fraud, Authorization, Processing Error, Card Member Disputes and Miscellaneous. One Point Reason Code: CODE Chargeback Reason Codes Retrieval Reason Codes 78 Int'l only Service Violation Code Discover 4541 AP 4586 AW 4755 RG 4553 RM 8002 RN2 Altered Amount Non-Receipt of Goods or Services0Cardholder Disputes Quality of Goods or Services MasterCard;45 Days from the central processing date of the transaction120 Days from the central processing date of. 7: Defective goods and services: C32: RM: 13. F02. QR Codes: One common way to accept Alipay is via QR code payments. RuPay has categorized all the chargeback reason codes into 5 different groups as stated below. The cardholder claims either that the merchandise was never received, or the services purchased were not provided. 5 Categories of Visa Chargeback Reason Codes. Be sure you understand the cardholder’s claim. 4 applies to eCommerce, whereas code 10. Investigate suspicious orders. compliance process depending on whether a chargeback right exists. Depending on the reason code, supporting documentation may include: Copies of the order confirmation, invoice, or receipt; Proof of. Learn about chargeback dispute behavior among UK and US consumers. The cardholder contacts their bank to explain the situation and ask that the bank reverse the transaction. The main chargeback reasons look like this: Malicious fraud. 4 Ways to Fight Chargebacks: Gather compelling evidence. 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. Fight; Prevent;. When the reason code comes up, the terminal may also read, “insufficient funds. Banks, however, categorize chargebacks or disputes depending on the card used when a chargeback occurs. ; Here is an. MDR also retired reason code 4840 – Fraudulent Processing of Transactions. The bank or credit union then conducts an investigation to ascertain the validity of the dispute. While there are many chargeback reason codes, all chargebacks fall into one of three categories:In most cases, you will have 20-45 days in which to respond to a chargeback. A01 | A02 | A08. On the other hand, PayPal—which can serve as a credit card. The assigned chargeback reason code outlines why a customer submitted the dispute. The reason_code field lists the reason code the issuing bank has assigned to the chargeback. Chargeback time frames - A specific period during which a chargeback can be raised. A reason code is a numeric code that describes the cause behind a chargeback dispute. This does not include an AuthorizationRecent data suggests that total fraud costs in the travel space will exceed $25 billion a year by 2020, and that’s considered a low estimate. The chargeback period, or the time limit for filing a chargeback, depends on the card scheme and the chargeback reason code. ) A no-nonsense summary of evidence that proves transaction is legit. Used when: The merchant processed the transaction more than once, causing the cardholder to be debited twice for the same transaction or the cardholder paid for a transaction using one form of payment and was There are over 80 unique return codes, and each one represents a different type of return. 2 may be able to represent the transaction and reverse the chargeback with the right compelling evidence. 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. Eventually the existing chargeback reason codes won't be used and will be removed from this guide. Otherwise, the acquiring bank sends a chargeback notification. After four months at the Standard level or immediately at the Excessive level, merchants are also eligible to receive chargebacks under reason code 10. 10. Reason Code. But cardholders and merchants have different time limits. It should ultimately help prevent fraud and unwarranted chargebacks, specifically applying to disputes marked with a Visa reason code 10. Each code has a different timeline. We also included the reason code descriptions and an indication of when the allowable time frame begins. Typically, cardholders file a chargeback if they were not informed of dynamic currency conversion fees or were not given the option to complete the sale in their local currency. If you have already. If your reply addresses the . Not remembering the original purchase. Chargeback fees can start at US$25 and go up from there. Download this sample Chargeback Rebuttal Letter. 195 Acquirer Use of Message Reason Code 7627-No MAC Provided. Reason Code P01: Unassigned Card Number. 3. Reason code Description; P01: Unassigned Card Number: P03: Credit Processed as Charge: P04: Charge Processed as Credit: P05: Incorrect Charge Amount: P07: Late Submission: P08: Duplicate Charge: P22: Non-Matching Card Number: P23: Currency Discrepancy M01 — Chargeback Authorization. Thus, the easiest way to prevent chargeback reason code 75 from being. Also, remember that the time frame for your response includes any processing required by the acquirer. This category of fraudulent chargeback claims is represented with the following reason codes: AMEX - F29 Card Not Present. In this instance, the cardholder claims a misrepresentation of the order they received, such as a defect, damage, counterfeit, or incomplete merchandise. 1 alpha followed by 2 numeric digits. Technical. Message. As such, it is limited to merchants in the following merchant category codes (MCCs): MCC 5735 — Record Stores. MASTERCARD. 3: Goods or services were not received: C08: RG: 4855: 13. A reason code or a chargeback reason code is a string of symbols (numbers and letters). So don’t spend another second worrying about chargebacks. 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. Unassigned. Once filed, the merchant generally has 20 days to respond. Below you will find the reason codes for the dispute events Chargeback, Request for Information (RFI), and Notification of Fraud (NOF). Whether the CID — the four-digit security code on the front of the Card — matches the issuer’s records. An ACH dispute results in a chargeback for the business that processed the payment. P08 – Duplicate Charge. CODE DESCRIPTION A01 CHARGE EXCEEDS AUTHORIZATION AMOUNT A02 NO VALID. When a SEPA chargeback occurs, we will notify you by sending a webhook. Why Midigator; Feature. The charge you submitted did not receive a valid authorization approval code for the amount of the charge. A chargeback happens when a customer requests for a transaction to be. 9808 info@chargebacks911. Transaction unauthorized make up 30% of all. Additionally, Amex uses a fifth "Miscellaneous" category. Intelligent Dispute Responses Win better disputes and achieve higher ROI with customized struggling regulations, optimized responses, and economically batch. ACH Return Codes. Availability Date: October 24th, 2021. 1 Late Presentment: P03 Credit Processed as Charge:Chargeback reason codes are one piece of evidence you can use to make your case. Note: Fraud is generally the most common chargeback dispute reason. 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:Merchants who believe they have received an invalid chargeback under reason code 12. Use this guide as a quick resource for Visa chargeback reasons at a. The chargeback reason codes were created to standardize the list of acceptable reasons a bank may submit a card chargeback or a direct debit chargeback on behalf of its customer. ) has its own reason code system, so sellers should carefully check the card used for the transaction. 4 to this dispute, indicating the purchase was fraudulent in a card-not-present environment. Section5. “Visa has 28 different reason codes. 5: Fraud Monitoring Program. chargeback_settlement: The gross shows negative if the chargeback was resolved in the buyer's favor, and the funds return to the buyer. Whenever a chargeback is initiated, a code is passed through from the issuing bank that gives a reason for the dispute. Card Brand Code Description Days to Dispute. In such circumstances, networks like Mastercard may allow consumers to reverse such a transaction by filing a chargeback. Visa has recently announced changes to its chargeback rules. About American Express chargeback reason codes. 16 Chargeback Reason Code 71 – Declined Authorization. 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. P01 Unassigned Card Number: IN Invalid Card Number: 4834 Point-of-Interaction Error: 12. Here are some chargeback reason codes by card type. The issuing bank reviews the information. Chargeback. API Integration: Alipay’s API can be integrated into the website's checkout process for online merchants. Once filed, the merchant generally has 20 days to respond to the chargeback. TC40 data is used to inform banks and card networks when a merchant has an outstanding fraud. S. Visa anticipates that changes to the required up-front information will help eliminate the back-and-forth between merchant, acquirer, and issuer, intending to result in a quicker chargeback resolution time for our merchants. Fraudulent TransactionsThe problem continues to grow out of control with each year. While creating the reason codes, the bank asks the customer about the reason for. However, you’re not alone; they create headaches for many players within the Mastercard ecosystem. 1 EMV Liability Shift 10. Write Off. Processing Errors. If the merchant has a signature showing that the order was delivered, or evidence that the. Click on “report a problem” and select the transaction in question. Change of Chargeback Reason to an Authorization-related Chargeback Replace ‘Change of Reason within the Cardholder Dispute Chargeback’ with this section. Poor order shipping: Not shipping goods or delivering services as promised, shipping to the wrong address, or not making the goods available. Chargeback reason American Express reason code Discover reason code Mastercard reason code Visa reason code; Cancelled subscription: C28: NF: 4841: 13. P01 Non-Matching Account Number P02 Non-Matching Acct No for returned item P03 Debit Posted as a Credit P04 Credit Posted as a SaleAmerican Express chargeback reason codes, much like Discover, bear one important difference from those under Visa and Mastercard: the issuing bank is also the card network. Visa chargeback reason code 11. Responding to Mastercard Reason Code 4853 Chargebacks. Description: Reason code for applying handling fee. 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. P03 – Credit Processed as Charge. If the available information indicates that the customer dispute is a valid one, American Express will automatically debit your merchant account for the amount of the disputed transaction and will send you a chargeback notification for you to review. It’s even more frustrating if you don’t understand what the chargeback code means. 1. There are two parts to this. Commonly selected actions include Dispute/Reverse Chargeback or Accept Chargeback. GraphQL Docs & Tools. To win a chargeback dispute as a merchant, you must have evidence that is compelling enough to persuade the cardholder’s bank to reevaluate the case. Visa reason code 53 is used for Chargeback for Defective/Not as Described, and reason code 85 is used for Credit Not Processed. 2 falls under the “Processing Errors” category. 3. It is caused by things like beliefs, opinions, morals, regrets, fear, and confusion. the Chargeback. Upfront Chargeback If we determine we have sufficient information to pursue a Chargeback, we may debit your account up front. Discover: Reason Code 4755 Non-receipts of goods or services. One catch is that CE3. You can attempt to work with the customer on a resolution and potentially have the chargeback reversed. The implication is that the merchant is at fault. WEX began issuing chip cards in Q4, 2020. VCR tables (Figures 1 and 2) map the old Reason Code to its new Reason Code. 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. P22 – Non-Matching Card Number. Check with the issuing banks to determine what time limits may apply to you. For example, Visa reason code 83 is one of the reason codes with several modifiers with which it’s associated. Reason Code. What is the chargeback reason code? The reason code is an alphanumeric 2 to 4-digit code provided by the issuing bank that identifies the reason for the dispute. . Apparel retailers and suppliers must proactively address chargeback issues. You’ll put that reason code, the transaction amount and authorization number, and state that the. related Chargebacks (Reason Codes 4837, 4840, 4849, 4863, 4870, and 4871), Chip/PIN Liability Shift (Reason Code 4871) section. By entering your email, you agree to receive marketing emails from Shopify. Chargeback reason code 75 is issued when a card issuer receives a complaint from a cardholder stating that the name of the merchant that. There are no format changes to the sales file specification; there are additional values added to the sales file to designate chip card transactions. Complaint reason_code values include: not_as_described: The buyer claims that the goods or services received differ from the merchant's description of the goods or services. While the service is expensive, and only certain merchant processors know how to facilitate this, it might be a viable option for bustling e-commerce businesses as a way do decrease costly. P05 – Incorrect Charge Amount. Unassigned Card Number. It was originally just one facet. P04 – Charge Processed as Credit. Additionally, Amex uses a fifth "Miscellaneous" category. 265. The issuer generates a claim, then transmits it to the merchant’s acquirer, as well as to Visa, as a means of noting all reported fraud incidents tied to the merchant. Chargeback reason code 10. F01. “It’s a lot tougher with Mastercard because they only use four main codes. If you receive a chargeback under Reason Code 85, you will need to provide evidence that the credit was processed in order to dispute the chargeback. Acquirer Use of Message Reason Code 7623. While you obviously don’t want customers to cancel their service, a cancelation is far better than a chargeback. Chargeback reason code; Delivery confirmation (if the item was delivered) Accurate transaction dollar amount; When writing a winning chargeback rebuttal letter, it’s important to include one more vital component: the fact that you’re disputing the charge. Mastercard Chargeback Reason Code 70: Chip Liability Shift. 1, "Compelling Evidence for goods/services not2. 4, 12. A chargeback is a return of money to a payer of a transaction, especially a credit card transaction. Reason Code 03. Read the Chargeback Advice letter carefully. ”. American Express: Reason Code C08 Goods or services. 39 or refused. 2 Added chapter providing information about the DiscoverCardholder Disputes. Supporting Documents You could potentially reverse a Chargeback by providing the necessary supporting The Visa chargeback reason codes system underwent a major overhaul in April 2018 as part of their new Visa Claims Resolution (VCR) initiative. A chargeback reason code is just what it sounds like: A code indicating the reason a charge was disputed and a chargeback occurred. Payment capture comes after authorization; at this point, the payment is effectively "settled," and the transaction is over. ; success: true. Solutions. Please refer to chapter 5 for more information. Try Shopify free for 3 days, no credit card required. dispute successfully and on time, we’ll undo the Chargeback. We used 3DS to authenticate this purchase and obtained AVS and CVV match codes at authorization (page 2). The agency must provide this documentation to Vantiv (via mail, fax, online/scanning) within 30 calendar days after the report date on the Visa/MasterCard. The codes for each card brand are listed below along with the recommended documentation to provide. The system does not accept blank as a value, even if it is defined in the user defined code table. If the available information indicates that the customer dispute is a valid one, American Express will automatically debit your merchant account for the amount of the disputed transaction and will send you a chargeback notification for you to review. 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. You should be. Visa groups its chargeback codes into four main categories—fraud, authorization, processing errors, and customer disputes. Terms and conditions. Try Shopify free for 3 days, no credit card required. Time Frames by Chargeback Type and Reason Code. the Chargeback. without a reason code will be assigned a default code of 1. Receive the Chargeback. 3: Goods or services were not as described: C31: RM: 13. Reason code Description; P01: Unassigned Card Number: P03: Credit Processed as Charge: P04: Charge Processed as Credit: P05: Incorrect Charge Amount: P07: Late. Compare account numbers. There is a USD 25 limit for the First Chargeback (Reason Code 22). None, although there is a $0. Discover chargeback reason codes are divided into three categories: service disputes, processing errors, and fraud. P01 - Unassigned Card Number (All other countries 4523) Reason. 3 Changed Discover Reason Codes to match what is shown in the UI. First, after a cardholder contacts the bank to inquire about a transaction, the bank uses VROL to pull detailed transaction information. ; Chargeback Prevention Alerts Decide customer disputes quickly before they become chargebacks. Visa’s process introduces four dispute categories and associated numerical labels (Fraud – 10, Authorization – 11, Processing Errors – 12, Consumer Disputes – 13) under which the renamed reason codes will be placed. 4: Other Fraud – Card-Absent Environment. Date Option. A reason code helps explain why a transaction was disputed. The ECI value tells you what to do next in a 3DS transaction — proceed, reject the purchase, or try again. 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. However, the disputes themselves are still categorized by the issuing bank based on the card network issuing the card. To help you identify what happened, look up the code you received for the dispute below. A chargeback happens when a customer asks their card-issuing bank to reverse a transaction. Reason Code 53 re-presentments must be. 0 rule changes take effect April 15,. Chargeback reason code. While there are reason codes related to processing errors that cause disputes, the majority of reason codes result from a cardholder disputing a charge. Moreover, there are other two categories to handle the Amex chargeback: inquiry and chargeback programs. They are provided to the merchant by the issuing bank, and they help all involved parties categorize disputes and determine next steps. The merchant did not receive any returned merchandise. Chargebacks. Each card issuer follows their own standards for defining reason type, code and its format. In the distribution industry,. 6, "Chargeback Reasons" Added requirements for each Chargeback Reason code. How you respond is determined by the chargeback reason code: Embed This Graphic. They make it easier for originating and receiving financial institutions to spot and communicate payment failures. 104. Upfront Chargeback If we determine we have sufficient information to pursue a Chargeback, we may debit your account up front. Card Type Reason Code Reason Text Chargeback Category Preventable Reversible VISA 30 Services Not Provided or Merchandise Not Received Non-Receipt of Goods or Services NO YES VISA 41 Canceled Recurring Transaction Cancelled/Returned by CardholderWhen you receive notification of a chargeback, the first thing you want to do is look up the reason code. 3: Goods or services were not as described: C31: RM: 13. Any chargeback that is received without a reason code will be assigned a default code of 53. Consider Deadlines. For details on how to receive notifications of chargebacks, accept or dispute them, and submit evidence to. It is important to identify and understand the root cause and take the necessary steps to dispute the chargeback. To help simplify things, we’ve compiled a list of chargeback codes used by the four major card networks: Visa, Mastercard, American Express, and Discover. Because it’s so easy for customers to initiate a chargeback, retailers are bound to experience a request at. ”. 1. Time limits vary by card network and reason code, though, so you should look into the specific terms tied to the reason code. Customer-initiated return codes Customer-initiated return codes are sent when the customer takes action to cancel or revoke an ACH transaction from their account. Complete Guide to Visa Compelling Evidence Update CE 3. 10. 975. A chargeback reason code is a two- or four-digit alphanumeric code issuing banks assign to disputes. 2 EMV Liability Shift. Once filed, the merchant generally has 20 days to respond to the chargeback. A risk department can accurately analyze what the issue is with their merchant by seeing the individual reason code,” Cirone explained. Visa ® has launched the CE 3. However, for simplification, they are divided into eight categories: Fraudulent activity; Authorization issues;. 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. chargeback_settlement: The gross shows negative if the chargeback was resolved in the buyer's favor, and the funds return to the buyer. Category. Reason code 4808 – Authorization-Related Disputes; Reason code 4870 – Chip Liability Shift; Reason code 4871 – Chip & PIN Liability Shift; Reason code 4834 – ATM Dispute; Chargebacks filed with these reason codes are supported by a great deal. A reason code is an alphanumeric code selected from a predetermined list by the issuing bank to indicate the reason the cardholder gave for requesting a chargeback. Different card networks have different reason code systems.