If the merchant has a signature showing that the order was delivered, or evidence that the. S. Preventable Reversible. Chargeback reason code description – An explanation which provides the reason of raising a chargeback by the cardholder. This chargeback occurs when merchants do not adequately provide currency information. 102. ”. . Every chargeback comes with a reason code. An issuer can initiate a first chargeback when the circumstances of the transaction meet the requirement of a chargeback reason code described in the Chargeback Guide. Customer Dispute. Goods / Services Damaged or Defective. The transaction amount and authorization number (ARN. See the list of reason codes below: Card Network. Other Fraud—Card Absent Environment. It’s not unusual for a customer to ask you for a refund. ABELLA, Petitioners, - versus - MADELINE C. It’s a 3-digit alphanumeric shorthand attached to a returned ACH transaction explaining why an ACH transfer is reversed. You must proactively address chargeback issues. 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. The other two chargeback reasons can be traced to very obvious causes — criminal activity and merchant mistakes. Chargebacks. 3. Overview. A credit card chargeback is when a bank returns money to you because a credit card charge was fraudulent or you bought something online that wasn’t delivered or was. Laundering: The merchant carried out transactions without a legitimate cardholder’s involvement. A chargeback happens when a customer asks their card-issuing bank to reverse a transaction. Solutions. You cannot effectively fight chargebacks until you identify which of these three things is actually responsible. It also has a multiplier effect that extends damages well beyond the amount of the disputed charge in question. Amex. 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. 11. In simple terms, an Electronic Commerce Indicator (ECI) is basically a 3-D Secure response code. Supporting Documents You could potentially reverse a Chargeback by providing the necessary supporting 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. If you're contesting a chargeback, you'll need solid evidence. Scenario 2. Solutions. American Express chargeback reason code C18 falls under the “Card Member Disputes” category. Chargeback stands If you don’t reply in time or with the right documentation, the Chargeback will stand. com Europe. FR2 FR4 FR6 M01 M10 P01 P03 P04 P05 P07 P08 P22 P23 R03 R13 Select a code to see the details. These are all the known American Express chargeback codes. FR2: Fraud - Full Recourse Agreement: 120: Fraud: Amex: FR4: Immediate Chargeback Program-Miscellaneous: Amex: FR5:A Chargeback will be processed if: your reply is insufficient; you do not reply on time; or you authorize us. Reason . Below you will find the reason codes for the dispute events Chargeback, Request for Information (RFI), and Notification of Fraud. Additionally, Amex uses a fifth "Miscellaneous" category. 2 Compliance CasesOn xx/xx/xxxx, we received a chargeback under the reason code 11. Valid chargeback reason codes are defined in UDC 03B/CB. This can provide important information to fight the dispute. Amex Dispute Codes FR2 Full Recourse FR3 Full Recourse FR4 Full Recourse FR5 Full Recourse M01 Acct Notice - processed Chargeback authorization M02 Acct Notice - processed your credit M03 Acct Notice - processed your credit M04 Acct Notice - debit stands M05 Acct Notice - ch does not agree M06 Fraud - full data stream not provided M07 Rental Room Charges Only that the transaction was either approved online by the issuer or offline by the chip. Previously, Visa expected the disputing member to start the dispute by filing a pre-compliance chargeback under reason code 98 (now obsolete). FR2 FR4 FR6 M01 M10 P01 P03 P04 P05 P07 P08. Clerical Merchants and Partners can request that Forte remove an account from the "Known Bad Accounts" database by calling Customer Service at 800-337-3060 option 1. As a merchant, you face the brunt of chargeback losses. People request chargebacks for all kinds of reasons—some sinister (like friendly fraud), some because the item they bought never arrived. 4 spec (Section 8. What stands out about the Discover reason codes list, though, is most of the codes are alphabetically-noted rather than numeric. If the CID doesn’t match, merchants generally prompt the Card Member to re-enter it. Codes are not often shared between issuers which means it can be difficult to remember the details of each. These numeric codes vary via card brands, yet all hypothetically fill the same need: to provide explanation behind the chargeback dispute. FR2 PreArbitration S01 R13 nc P08 R12 sv M01 P17 R21 Curr. It can protect against criminal fraud attacks, but equally important, it protects you from liability due to fraud and other losses. The chargeback period, or the time limit for filing a chargeback, depends on the card scheme and the chargeback reason code. Codes—Contains detailed information on the reason codes for the most common types of chargebacks that merchants receive . 1 alpha followed by 2 numeric digits. A01 | A02 | A08. Each card scheme has its own time limits for chargeback disputes, which can range from 60 to 120 days from the transaction date. Updated Disputes/Chargeback Policy Coming April 2024That definitive guide included the chargeback reason codes from each of the quad larger card connectivity. This ranges anywhere from roughly 60 to 90 days after purchase. Common reason codes Mastercard. Note: If the system generates a stand-alone chargeback, the G/L offset field is blank. Solutions. If a dispute is filed with Discover and a ticket retrieval request is sent, the merchant has just five calendar days to respond with. Other Fraud—Card Present Environment. Here are some numbers on chargeback reason codes: 30% - the number of chargebacks that result from transactions made with a stolen card. The customer regrets their purchase. Look below the surface. Issuers must not initiate a chargeback for magnetic-stripe (POS Entry Mode value of 90 or 02) transactions on non-chip enabled cards. 6. American Express Chargeback Reason Codes have four main categories, those are Fraud, Authorization, Processing Error, Card Member Disputes and Miscellaneous. American Express Reason Code FR2 - Fraud Full Recourse Program; American Express Reason Code FR4 - Immediate Chargeback Program; American Express Reason Code FR6 - Partial Immediate Chargeback Program; NOTE: If you receive one of the above chargeback reason codes and aren’t aware of being in a fraud monitoring program, contact your payment. United States. This means that Chargeback Protection does not apply to payments you receive prior to enrolling in Chargeback Protection or payments you receive after your enrollment in Chargeback Protection ends. Dec 6, 2021 — Betty's bank issued the chargeback for $9. A “No Authorization” code chargeback can also be the. Submitted: The response has been sent and the issuer is. 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. You can learn more about each one by visiting the Mastercard Chargeback Guide. Amex Chargeback Reason Code FR2: Fraud Full Recourse Program Description This is a program that allows American Express to send any dispute without first sending. 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. The charge was flagged by the Amex Fraud Full Recourse Program. Once filed, the merchant generally has 20 days to respond to the chargeback. Those reasons are explained through the corresponding reason codes. Auto Write Off. You should maintain dispute templates for each reason code and include your intent to fight the chargeback and why. 3: Not as described or defective merchandise: VCR Dispute Reason Code 13. 9808 info@chargebacks911. Visa chargeback reason code 75 is filed as an honest mistake. The business has the chance to refute the chargeback. Reason codes are alphanumeric codes that provide the justification for granting a chargeback. The following are some examples: Visa Reason Code 13. These codes will explain why the chargeback was filed. By entering your email, you agree to receive marketing emails from Shopify. By entering your email, you agree to receive marketing emails from Shopify. Luckily, our reason code directory makes is a bit simpler to make sense of issuer codes. Eligible Chargeback Reason Codes . 4. There are a number of chargeback reason codes that are dedicated specifically to transaction errors. Like traditional chargeback reason codes, an ACH return code indicates why the RDFI initiated the transaction reversal request. reasonable and that the transaction did not exceed this amount range. It was created to protect. 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. 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 validThe nature of the threat makes it a moving target. 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. American Express chargeback reason code C42. Please refer to chapter 5 for more information. EFM MONTHLY CRITERIA NUMBER OF E-COMMERCE TRANSACTIONS FRAUD CHARGEBACK AMOUNT FRAUD CHARGEBACK RATIO BASIS POINTS (BPS) 3DS UTILIZATION (EMV 3DS + DATA. A reason code is how banks categorize the reason for a chargeback. Values are: Blank: Use the receipt G/L date. Understanding these. If you are a new Stripe user and we have activated your access to Chargeback Protection, we may hold all dispute-related funds and fees until your business is approved. A reason code is how banks categorize the reason for a chargeback. The merchant dutifully refunds the charge, unaware that the cardholder plans to dispute the charge and get their money back twice. 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. Mastercard has plans to follow suit. This definitive guide containing the chargeback reason user from each of the quad major card networks. What are Chargeback Reason Codes? Chargeback reason codes are issued by the bank when a customer files for a chargeback. How many chargeback reason codes exist? There are 151 reason codes across the four major card networks. Other Fraud—Card Present Environment. Response to retrieval request: Based on the information provided, the acquiring and issuing banks resolve the dispute, if possible. Once you receive this notification, you have 11 days to submit a response. When you receive a chargeback request, respond promptly with any relevant information or evidence that supports your case. Take the time to note the following dispute reason codes for Visa. 4763: FR2: Full recourse: A cardholder is claiming that they did not authorise or participate in a transaction that you. Encrypt transmission of cardholder data. Save finalize leaders includes the chargeback good codes off each of the four major card networks. The issuing bank will then pass on the chargeback to the merchant. Reason. 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. Reason Code: 10. 1 Quick Reference Lead. Mastercard Chargeback Reason Code 71: Disputed Amount. The system posts separate line item for each chargeback code in AR document and for each of the reason code system captures the reference information from lockbox file in the text field of. Chargeback reason American Express reason code Discover reason code Mastercard reason code Visa reason code; Cancelled subscription: C28: NF: 4841: 13. Chargeback Category. The newer system is designed to. Chargeback reason code 75 is issued when a card issuer receives a complaint from a cardholder stating that the name of the merchant that. ) has its own reason code system, so sellers should carefully check the card used for the. Fight;. What Are the Different Chargeback Reason Codes? There are over 100 chargeback reason codes. See the list of reason codes below: Card Network. To subscribe and learn more about the free online chargeback management system, or contact Chase Paymentech Client Services at 1. message. While the updates have been published, they do not go into effect until Oct. A chargeback reason code is a two- or four-digit alphanumeric code issuing banks assign to disputes. reason code information. Last updated: October 15, 2019 . Visa requires processors and banks use to this system for multiple tasks, including challenging initial chargeback results. Usually, this will automatically be done by the processing system, or by an indicator button. 5 Categories of Visa Chargeback Reason Codes. Additionally, one clearing transaction. Country. Here are the most common chargeback culprits. 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. The dispute must be one of the following types of reason codes (as identified by the relevant Card Network) listed in. 4. But, merchants should be aware that, eventually, everyone will be required to use the new designations. When the customer disputes a charge, the issuing bank then begins the chargeback process. Cancelled/Returned by Cardholder. Spot these types of chargebacks using the below reason codes. Select the value “open”. This extra step can be frustrating for Card Members and lead to lost sales. Reason Code North-America: Canada and United States of America; Reason Code: All other. This will be referenced in the chargeback notice you received. manual processing by uploading chargeback documents instantly. 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. F01. Protect cardholder data. These numeric codes vary via card brands, yet all hypothetically fill the same need: to provide explanation behind the chargeback dispute. Visa, MasterCard, and American Express all list compelling evidence by reason code. Blog additionally Articles; Success Stories; Chargeback Reason Keys; BIN Look-up; eGuides and Reports;. Merchants who believe they have received an invalid chargeback under reason code FR2 may be able to represent the transaction and reverse the chargeback with the right. Fight; Hinder; Recover; Resources. None, although there is a $0. Representment. If a customer does not contact eBay and files a chargeback with their issuer, eBay will engage in the chargeback representment on your behalf. This merchant program allows Amex to process disputes as soon as a cardholder files a chargeback. Reason Code 02. Reason Code Description A01 No valid authorization/excessive amount. Dispute Category. Visa chargeback reason code 72 falls under the “Authorization” category. Some 90% of merchants said “cardholder abuse of the chargeback process” was a leading concern for their business. This authoritative guide includes the chargeback reason key from each from the four major card netz. 5158. Nevertheless, you must respond to the chargeback based on the given code. When you do the math, you are looking at a $5,000 penalty per month, along with a chargeback fee of $15-$30 per chargeback, and all the other associated costs. Step 1: Identify the Source. This may be done by either the merchant or the issuing bank. Chargeback time frames - A specific period during which a chargeback can be raised. MONTECILLO and LIZA M. Check the chargeback reason code. The charge you submitted did not receive a valid authorization approval code for the amount of the charge. A chargeback is the potential outcome of a disputed credit or debit card transaction. These chargebacks will show up under reason codes that will, on first glance, appear legitimate. Reason Text. What are Chargeback Reason Codes? Chargeback reason codes are issued by the bank when a customer files for a chargeback. FAQ: What is Chargeback Representment? TIPS. Step 2: Customer initiates the chargeback. The ECI value tells you what to do next in a 3DS transaction — proceed, reject the purchase, or try again. Check the chargeback reason code. The chargeback can be for the total transaction amount or a lesser amount. 1 Page 4 of 5 Chargeback Reason Codes. Products. Assemble Your Evidence. Card Brand Code Description. A customer payment dispute, more commonly called a “chargeback,” happens when a cardholder disputes (challenges) a payment card. Non-Receipt of Merchandise. 4: Fraud—Card-Absent Environment. Choose “chargeback and inquiry status” from the drop-down menu. Did not issue a credit, because it does not accept returns, but did not properly disclose its return policy. Amex Dispute Codes 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. Updated Visa Reason Codes. There are two parts to this. The customer is claiming that this purchase was not authorized. As a merchant, your focus should be on finding and retaining customers--not chargebacks. . We would like to submit compelling evidence that the purchase was legitimate. 4853 – Cardholder Dispute – Credit Posted as a Purchase. This includes: Chargeback ratio. The chargeback process can last from one month to six months. ) A no-nonsense summary of evidence that proves transaction is legit. UA02 Fraud – Card Not Present Transaction. This list can provide you with a brief detail on the reasons for chargebacks. paper processing and mailing costs. 1 chargeback: 1. Reason Codes Category 4: Processing Errors. All cardholder data must be encrypted, truncated, or tokenized; account numbers can only be partially displayed. An Acquirer must monitor the Chargeback-to-Transaction volume ratio of its Merchants and identify any Merchant that:. The major card networks have unique reason code systems, and banks use separate tools. Chargeback Reason Codes Page 1 of 5 Card Type Reason Code Reason Text Chargeback Category Preventable Reversible MASTERCARD 4802 Requested/Required Item Illegible or Missing Request for Information YES YES MASTERCARD 4803 Documentation received was invalid/incomplete Request for Information YES YES 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. There are over 80 unique return codes, and each one represents a different type of return. Mastercard Chargeback Reason Code 73: Duplicate Transaction. Home; For Business. If more data is required, the request will be sent to the Merchant Services provider. 4. If they think it does, they assign it a reason code and credit the funds back to the cardholder’s account. In both instances if the Merchant wishes to withdraw from an arbitration case, Visa will charge the amount of 500. 6. Processing Errors involve chargeback and disputes revolving around processing issues, late presentment, credit processed as charge, invalid card numbers, no show errors, incorrect charge amounts. American Express chargeback reason codes REASON ODE ENCYCLOPEDIA sift. Stage 1: First Chargeback. With the implementation of Visa Claims Resolution, reason code 98 eventually became obsolete. ACH return codes are a type of shorthand for specific information concerning the return, much like the card decline codes or dispute reason codes used by credit card networks. About American Express chargeback reason codes. Each chargeback reason code has its own set of specific documentation requirements so merchants should familiarize. It is important to identify and understand the root cause and take the necessary steps to dispute the chargeback. The other member could accept the chargeback or contest it, escalating the dispute to compliance where Visa adjudicates. eBay levies a $20 chargeback fee along with any other sale reversals included in the standard chargeback process for lost disputes. September 2011: 5. without a reason code will be assigned a default code of 1. Discover chargeback reason code 7030. 3. This scenario applies when the arbitration was raised by either the. They are provided to the merchant by the issuing bank, and they help all involved parties categorize disputes and determine next steps. It is important for the merchant to know about the American Express Chargeback Reason Codes when dealing with a chargeback. Try Shopify free for 3 days, no credit card required. Chargeback fees make up a big chunk of the total costs, so we’re going to take a. 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. Try Shopify free for 3 days, no credit card required. Having a Lax Attitude Toward Industry Rules & Regulations. For scenario A, send an echeck sale transaction with the following data: routing_number=064000101. Get your complete guide to Mastercard reason codes, including all the detailed information, chargeback time limits, and other important information you need. S. If the order was genuinely not as described, then the cardholder has a case. So the company has more incentive to side with customer during cardholder. Because it’s so easy for customers to initiate a chargeback, retailers are bound to experience a request at some. The incorrect amount being charged. Fraudulent TransactionsThe 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. . Paymentology will submit the chargeback using the appropriate chargeback reason code. Please note that each card network (MasterCard, VISA, American Express, etc. Each code refers to one of the specific rationales that card networks consider legitimate reasons for a customer dispute. You're viewing documentation for our latest API. Every of the major card brands, the inclusion of Visa, MasterCard, and others, has its acknowledged system of reason codes. Chargeback Base Codes by Network - 2023 Guide. In the case of friendly fraud, that reason could be completely invalid and. This definitive guide includes the chargeback rationale codes from each of to four major card networks. Get your complete guide to the new Visa reason codes, including all the detailed information, chargeback time limits, and other important information you need. 0 only applies to reason code 10. © Therefore, the issuer may submit a chargeback for a Payment Transaction using the message reason code 4842 before the 30-calendar day presentment time frame normally required for this message reason code. Fight; Prevent; Recover; Predict; Success Story; Resources. Mastercard Chargeback Reason Code 70: Chip Liability Shift. Reason Code. Body exampleWe’ll Handle the Chargebacks. If you've determined the chargeback is meritless, and you know the reason code, below are the five stages of an effective chargeback representment. Check out these codes under their fraud category. Solution. A01 Charge amount exceeds authorization amount A02 No valid authorization A08 Authorization approval expired Cardmember Dispute C02 Credit not processed. Chargeback Reason Codes 85 and 4860 may be caused because the merchant: Did not issue a credit. 1. Chargeback Reason Codes by Network - 2023 Guide. Chargeback reason code 10. Excessive Chargebacks: The merchant exceeded established chargeback thresholds. And according. It is associated with a chargeback reason code, and it is specific per Card Scheme. As soon as a customer requests a chargeback, their bank will reach out to the business’s bank and give them a heads-up that the chargeback has been requested. Blog and Articles; Success Stories; Chargeback Reason Codings; DUMPSTER Look-up;. R01. 7 downloads 2 Views 352KB Size. 'luhfw fruuhvsrqghqfh wr wkh dssursuldwh hpdlo edvhg xsrq wkh uhdvrq frgh ri wkh lvvxh olvwhg ehorz <rx pd frpelqh lvvxhv iru gliihuhqw uhdvrq frghv lq wkh vdph fruuhvsrqghqfh rqo li wkh hpdlo ghvwlqdwlrq lv wkh vdph <rx pd. Additionally, Amex uses a fifth "Miscellaneous" category. Info Us; In and. PCI DSS v3. It depends on the chargeback reason code associated with the dispute. 1 Card Recovery Bulletin or Exception File. However, it's advisable to respond to whatever reason code you received from the bank. pdf), Text File (. About American Express chargeback reason codes. Amex Fraud Chargeback Reason Codes FR2 — Fraud Full Recourse Program. A chargeback reason code may display a chargeback related to fraud, processing errors, consumer disputes, or a variety of other reasons. Merchants and Partners can request that Forte remove an account from the "Known Bad Accounts" database by calling Customer Service at 800-337-3060 option 1. A chargeback is a transaction reversal resulting from a credit card payment dispute. 103. 36. Solutions. This code is used when a cardholder claims that a fraudulent transaction occurred in a face-to-face environment, such as a retail store. 3. The networks say merchants have a 45-day response window, but the Chase credit card chargeback time limit for merchants is 39 days. These processing options activate the automatic write-off feature and enable you to establish write-off limits for both under- and overpayments. Chargeback Reason Codes by Mesh - 2023 Guide. . Field name: reasonCode. Identity theft and account breaches in which the merchant is the victim, for example, fall under reason codes 01, 02, and 14. These codes will explain why the chargeback was filed. A Product Not Delivered chargeback means the customer believes they did not receive the goods or services they purchased. R03. US $10,000. Network Processing ® ©Reason Codes A chargeback reason code is a distinctive two-to-four-character combination of letters and numbers issued by the involved bank to identify why a dispute was initiated. A reason code is an alphanumeric code that explains the reason behind the dispute. Fight; Prevent; Recover; Resources. 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. Written over Chargeback Gurus. Which is meant to know the reason for the dispute. The card provider then processes this information and determines the. As we touched on earlier, chargebacks can happen due to technical errors. Each of the major card brands, including Visa, Mastercard, and others, have their own system of reason codes. 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. Prevented; Recover; Tools. 1 Authorisation . Reason Code 53 chargeback can be re-presented in one of the following circumstances: chargeback is invalid or a credit was processed. Establishment on Full Recourse/Immediate Chargeback Program: FR2:When the customer disputes a charge, the issuing bank then begins the chargeback process. 2 EMV Liability Shift. Poor order shipping: Not shipping goods or delivering services as promised, shipping to the wrong address, or not making the goods available. Chargeback Reason Encrypted by Lattice - 2023 Guided. 6). Products. underlying your chargeback. US/Canada Chargeback reason code. FR2: Fraud - Full Recourse Agreement: 120: The actual underlying cause of this chargeback is usually either true fraud or friendly fraud. Specifically, these updates only pertain to transactions that are charged back after Oct. 102. Shopify has four status categories for chargebacks and inquiries: Open: No response has been sent yet and evidence can still be added. FR2 Fraud. Transaction not authorised – the Card Issuing Company is stating that an authorisation code was required for the transaction, but it was not obtained. For example, suppose a cardholder filed a case about an order processing issue, and you disputed the chargeback. The chargeback reverses a money transfer from the consumer's bank account, line of credit, or credit card. 4: Other fraud: Card-absent environment: VCR Dispute Reason Code 13. If you’re not, there’s a good chance you’re about to see a high volume of chargebacks with “fraud” reason codes come pouring in. Responses to retrieval requests that are over 4 pages will. Following is the list of Chargeback Reason Codes used by American Express (AMEX): AMEX Chargeback Reason Codes. ”. These codes will explain why the chargeback was filed. The cardholder initiates contact with their bank or credit union to file a dispute. The reason code may not reflect the true reason for the chargeback.