AMERICAN EPRESS CARGEBACK CODES 6 REASON CODE 4513 Credit Not Presented Chargeback Reason Any of the following reasons: 1. Reason . 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. Visa Chargeback Reason Codes; MasterCard. List and additional information about all reason codes by card brand. Understanding these codes is essential because they'll guide your response strategy. Unauthorized returns (R05, R07, R10, R29, R51): 0. 4853 – Cardholder Dispute – Credit Not Processed. Specify the invoice date and net due date to assign to chargebacks. France saw a drop of roughly 50% during the same period. up under any number of different chargeback . The new reason codes follow a format of two digits, a period, then a third digit. This ranges anywhere from roughly 60 to 90 days after purchase. FAQ: What is Chargeback Representment? TIPS. 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. Thus, the easiest way to prevent chargeback reason code 75 from being. Card Brand Code Description Days to Dispute Dispute Category;. In simple terms, an Electronic Commerce Indicator (ECI) is basically a 3-D Secure response code. Then they instruct the merchant’s acquiring bank to reverse the transaction and withdraw the funds from the merchant account. account closed or insufficient funds. P01 Unassigned Card Number; P03 Credit Processed as Charge; P04 Charge Processed as Credit; P05 Incorrect Charge Amount; P07 Late. Acquirer after the 3-month Workout Period, as described in “Excessive Fraud Activity Notification - U. 0. Under the new VCR process, there will be 4 dispute categories: Fraud, Authorization, Processing Errors and Consumer Disputes. . Chargeback Reason Code 30 - Services Not Provided or Merchandise Not Received The chargeback time limit is calculated based on one of the following: 120 calendar days after the transaction processing date 120 calendar days after the last date the cardholder expected to receive the goods or services (not to exceed 540 days of the transaction. Paymentology will submit the chargeback using the appropriate chargeback reason code. Additionally, Amex uses a fifth "Miscellaneous" category. Code description a01 charge exceeds authorization. American Express Chargeback Reason Codes have four main categories, those are Fraud, Authorization, Processing Error, Card Member Disputes and Miscellaneous. The cardholder claims they were charged multiple times for a single transaction. UA05 Fraud – Chip Counterfeit Transaction. To do so, you should open your Wallet app and tape “Apple Card. Since Chargebacks are time sensitive, card networks provide time limits on each reason code to help merchants manage time and data to submit their claims in a timely manner. Prevention alerts arrive within 24 hours of a dispute. However, the disputes themselves are still categorized by the issuing bank based on the card network issuing the card. To submit your documents to Wave, use the link in the chargeback notification email, or reply to the email. Field name: reasonCode. Fraud (10)& Authorization (11)Visa specifies 46 reason codes under the categories of Fraud, Authorization, Point-of-Interaction Error, Consumer Disputes, and Processing Errors. Chargeback Reason Codes All received credit card disputes include a reason code. Merchants who believe they have received an invalid chargeback under reason code 13. 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. VCR tables (Figures 1 and 2) map the old Reason Code to its new Reason Code. In such circumstances, networks like Mastercard may allow consumers to reverse such a transaction by filing a chargeback. If you choose to fight the chargeback, Amazon Pay will charge you a $20 Disputed Chargeback Fee. Chargeback Reason Codes Page 2 of 5. 2: Cancelled recurring transaction: VCR Dispute Reason Code 13. Visa reason code 53 is used for Chargeback for Defective/Not as Described, and reason code 85 is used for Credit Not Processed. One of three things will happen: The issuer rules in your favor: Your representment case validates the original transaction. This definitive guide includes the chargeback reason codes coming each of the four greater menu networks. For those facing a lower chargeback volume, however, alerts might not provide a positive ROI. 3 applies when a cardholder claims a charge—made in a card-present environment—was. The following are some examples: Visa Reason Code 13. STEP #7: Bank Review & Decisioning. Chargeback reason codes. Discover is a credit card network and an issuing bank—just like American Express. Once you submit the documentation to Wave, our Disputes Resolution Team will work on the case, and submit the required information to the bank on your behalf. non_receipt: The buyer claims they didn't get the goods or services. Each card. A Complete Listing of all American Express Chargeback Reason Codes Prohibited Business Types American Express Tools That Help Prevent Chargebacks. 3. Consider using all the tools available to you—including Visa Secure, card security code (CVV2), and Address Verification Service (AVS). This definitive guide comes that chargeback reason codes from jeder of of four majority card networks. Click “add filter”. Visa chargeback reason codes . Learn about the different chargeback reason codes and what they mean. 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. Additionally, Amex uses a fifth "Miscellaneous" category. Chargeback reason code description – An explanation which provides the reason of raising a chargeback by the cardholder. The following chargeback reason codes are related to EMV: Visa: 10. Visa uses a numeric scheme for its chargeback reason codes. And according to The True Cost of Fraud report by LexisNexis, businesses end up paying $3. Blog and Articles; Success Stories; Chargeback Reason Codes; BIN Look-up; eGuides the Reports; Webinars; Knowledgebase; Online; Partners. Understanding chargeback reason codes is one of the most essential parts of effective chargeback management. 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. Write a chargeback rebuttal letter (with sample template) 8 Ways to Prevent Chargebacks. 2. All cardholder data must be encrypted, truncated, or tokenized; account numbers can only be partially displayed. 2 EMV Liability Shift. Chargeback Reason Key by Network - 2023 Guide. Mastercard Chargeback Reason Code 73: Duplicate Transaction. Shopify Payments Chargeback Reason Code #5: Product Not Delivered. With that said, you still need to understand the reason codes with any chargebacks from Amex. 1: Services not provided or merchandise not received: VCR Dispute Reason Code 13. The good news for those using Shopify Payments, the hundreds of reason codes and buckets them into eight. 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. By understanding the reason behind the chargeback, you can gather the necessary evidence to support your case effectively. unauthorized use. In general, most retrieval requests are issued to merchants for one of the following reasons: The cardholder wants information for his or her records. Most commonly the payer is a consumer. Chargeback reason codes have changed. Reason Code. ”. Read on for the complete guide to dealing with chargebacks. Report. unauthorized use. The merchant authorizes Amex to process a chargeback for the transaction in question. Chargeback Reason Codes for AMEX. American Express sent a transaction inquiry to the merchant, but the merchant responded by authorizing American Express to process a chargeback for the transaction. invalid merchandise cred chargeback req. The other two chargeback reasons can be traced to very obvious causes — criminal activity and merchant mistakes. There are dozens of reasons why cardholders and issuers dispute transactions. Clerical Try Shopify free for 3 days, no credit card required. If the order was genuinely not as described, then the cardholder has a case. In most cases, the bank chooses a course of action based on information the cardholder provides. Discover - UA02 Fraud – Card Not Present Transaction. In most cases, you will have 20-45 days in which to respond to a chargeback. 143. Know these five rules to avoid payroll blunders triggering fines, penalties and IRS audits. Now, compliance cases go through Visa Resolve Online (VROL). If the order was genuinely not as described, then the cardholder has a case. Carefully analyze the reason provided by the cardholder for the chargeback. 3 is part of an updated and expanded revision of the legacy codes that indicated fraud, codes which were phased out under the Visa Claims Resolution initiative. Fraud. Author: Isaac Lambert. Standard Threshold: Reaching a chargeback ratio of 0. Scenario 1 — upfront chargeback. For a brief overview of chargeback reason codes, refer to the table below. M01 - Chargeback Authorization. These symbols stand for reasons why a financial institution may file a credit card chargeback from their client’s name. Mastercard uses a four-digit numbering scheme for its chargeback reason codes. M01: Request for Information: Merchant Accepted Chargeback: M04: Cancelled/Returned by Cardholder: Merchant Accepted Chargeback: R14:60. Versions Affected: v5, v6. Chargeback. Though the credit card networks have a vast choice of codes, loopholes still happen. P07 – Late Submission. Reason codes vary by card brand. Number two: Product Not Received chargebacks. Visa Chargeback Reason Codes. 4853 – Cardholder Dispute – Digital Goods Purchase of $25 or Less. 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. 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. Identify issues within 24 hours of a cardholder dispute, rather than waiting. ©Dispute Reason Code: A specific code associated with the reason given by the buyer for initiating the chargeback. P04 – Charge Processed as Credit. Whenever a chargeback is initiated, a code is passed through from the issuing bank that gives a reason for the dispute. Card Issuer. ” One might almost consider this chargeback a technicality, as is only existing when the merchant explicitly agreed until take responsibility since a contention and accept a chargeback. If a dispute is filed with Discover and a ticket retrieval request is sent, the merchant has just five calendar days to respond with. To help merchants understand the underlying issue of each chargeback, American Express has created specific chargeback reason codes to help business owners interpret chargebacks. As a merchant, you face the brunt of chargeback losses. In the case of friendly fraud, that reason could be completely invalid and. While the format of chargeback reason codes varies depending on the card network, all codes are alphanumeric. M01 — Chargeback Authorization. 9% with at least 100 total disputes. Chargeback amount is equal to or less than the exceeded limited /authorised amount. And according. 4853 – Cardholder Dispute – Goods or Services Not as Described or Defective. Which is meant to know the reason for the dispute. Eligible Chargeback Reason Codes . 101. 60 due to merchandise, fees, overhead, and other sources of loss. The current situation puts online betting. It should ultimately help prevent fraud and unwarranted chargebacks, specifically applying to disputes marked with a Visa reason code 10. Updated the following columns - card type, response due date. Early Warning: Reaching a chargeback ratio of 0. Across open networks and include account numbers sent over email, instant messaging, text, or chat. Blog and Articles; Success Stories; Chargeback Reason Codes;. 7: Defective goods and services: C32: RM: 13. 4% of all transactions worldwide are made with EMV chip cards, which has led to a precipitous drop in card-present fraud. Attempted to process transactions fraudulently. Here’s how. Unfortunately, it is pretty challenging to prevent friendly fraud. MASTERCARD Reason Code Description 01 Requested Transaction Data Not Received 02 Requested\Required information illegible or missing 07 Warning Bulletin File 08 Requested\Required authorization not obtained 12 Account number not on file 31 Transaction amount differs 34 Duplicate Processing P01 – Unassigned Card Number. The number of in-person fraud attacks attempted in the UK has dropped by 69% since 2004. In addition to Reason Codes changing as a result of the VCR program, each Reason Code is now associated with a new Reason Category. Nothing immediately identifies a chargeback as being the result of first-party misuse. chargeback_settlement: The gross shows negative if the chargeback was resolved in the buyer's favor, and the funds return to the buyer. Chargeback fees make up a big chunk of the total costs, so we’re going to take a. Card Type Reason Code Reason Text Chargeback Category Preventable Reversible VISA 30 Services Not Provided or. The issuing bank collects evidence from the customer and categorizes the chargeback using the appropriate, card network-specific, reason code. Visa groups its chargeback codes into four main categories—fraud, authorization, processing errors, and customer disputes. In fact, 91. Aforementioned definitive guide includes and chargeback reason codes from each of the four major bill networks. This list was generated 5/4/2022. There are 151 chargeback reason codes across the four major card networks. 3: Goods or services were not as described: C31: RM: 13. Chargeback reason codes are what tell a merchant why a customer is disputing a charge. U Express chargeback reason id M01 falls under the “Inquiry/Miscellaneous” category. 2. S. 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. So, if a customer files an Amex chargeback, the company has good reason to side with their customer over the merchant. A Product Not Delivered chargeback means the customer believes they did not receive the goods or services they purchased. Additionally, Amex uses a fifth "Miscellaneous" category. They make it easier for originating and receiving financial institutions to spot and communicate payment failures. The notification will also specify the terms of the agreement under which Amazon Pay will assist you in handling the chargeback. NACHA Return Codes. For your reference, here's a list of chargeback reason codes for Visa, Mastercard, Discover, and Amex. It’s a 3-digit alphanumeric shorthand attached to a returned ACH transaction explaining why an ACH transfer is reversed. With the implementation of Visa Claims Resolution, reason code 98 eventually became obsolete. Specify the default reason code to. Technical. chargeback_settlement: The gross shows negative if the chargeback was resolved in the buyer's favor, and the funds return to the buyer. Dispute Category. Reason. P22 – Non-Matching Card Number. invalid adjustment received - req. SolutionsWrite customer-friendly policies. Additionally, Amex uses a fifth "Miscellaneous" category. 3 is part of an updated and expanded revision of the legacy codes that indicated fraud, codes which were phased out under the Visa Claims Resolution initiative. For example, 10. Spot these types of chargebacks using. Knowing these codes can help you dispute chargebacks more effectively. However, they don’t address the reason why that chargeback was issued in the first place. Each card issuer follows their own standards for defining reason type, code and its format. Vendors that do not have a well-drafted shipping and order fulfillment policy are susceptible to this category of Shopify chargebacks. Ensure that the digits of the. MASTERCARD Reason Code Description. 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 codes used to categorize the reason for the dispute. ’Consider using all the tools available to you—including Visa Secure, card security code (CVV2), and Address Verification Service (AVS). UA02 Fraud – Card Not Present Transaction. Scenario 1 — upfront chargeback. M01. Discover. The networks say merchants have a 45-day response window, but the Chase credit card chargeback time limit for merchants is 39 days. Chargeback reason code 10. 2 EMV Liability Shift. 3 falls under the “Consumer Disputes” category. Chargeback Reason Codes and Descriptions. Chargebacks from all three categories can show . According to Nilson, 56% of global card transactions were done on Visa in 2015. com M01 Chargeback Authorization; Processing errors. Pages 124 This preview shows page 90. You can learn more about each one by visiting the Mastercard Chargeback Guide. It’s a 3-digit alphanumeric shorthand attached to a returned ACH transaction explaining why an ACH transfer is reversed. 3. ECM monitors first presentment chargebacks regardless of reason code or transaction type. Here are some chargeback reason codes by card type. 4. Spot these types of chargebacks using the below reason codes. Once you hear from. 6. Claim Adjustment Reason. Following the prompts that pop up, inform PayPal of every detail, and include the screenshots of the conversations you had with the scammer. Visa also overhauled its system of chargeback reason codes. A false decline on a credit card or debit transaction occurs when a legitimate card purchase is rejected by mistake. Merchants who receive a chargeback for a transaction placed with an American Express card may encounter reason code M01, which indicates a chargeback generated as a result of an inquiry from American Express. There are over 80 unique return codes, each representing a different return type. If they think it does, they assign it a reason code and credit the funds back to the cardholder’s account. EMV Liability Shift Non-Counterfeit Fraud. They only bill customers during a dispute if there is compelling evidence to show the cardholder’s account is in the wrong. 3: Not as described or defective merchandise: VCR Dispute Reason Code 13. These chargebacks will show up under reason codes that will, on first glance, appear legitimate. Chargeback Reason Codes; BIN Lookup; ROI Tool; Company. The main chargeback reasons look like this: Malicious fraud. Oftentimes, the reason code assignment is based on limited knowledge and insight. American Express chargeback reason code C42. 3 may be able to represent the transaction and reverse the chargeback with the right compelling evidence. 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. Merchants can find a. In simple terms, an Electronic Commerce Indicator (ECI) is basically a 3-D Secure response code. M01 Chargeback Authorization; Processing errors. Try Shopify free for 3 days, no credit card required. These reason codes indicate disputes that occur as a result of inaction or wrong action on either party’s part (merchant or cardholder). Chargeback /Dispute; Merchant Response. Under “Transaction History,” tap the transaction you want to dispute, then tap “Report an Issue. Pages 124 This preview shows page 90 - 93 out of 124 pages. NACHA Return Codes. Compare account numbers. customer charged, did not rec goods/srvcs. EFM MONTHLY CRITERIA NUMBER OF E-COMMERCE TRANSACTIONS FRAUD CHARGEBACK AMOUNT FRAUD CHARGEBACK RATIO BASIS POINTS (BPS) 3DS UTILIZATION (EMV 3DS + DATA. When a cardholder makes a purchase, but regrets it later, they may file a chargeback to recoup their money. This can be transaction receipts, proof of. Support; Login. Also, Ethoca Alerts only notify you of chargebacks that occur within the alert. Automated Clearing House return codes, reasons, and details. 15, 2021. 2. 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—QuestionableThing is African Reveal chargeback reason code M01? U Express chargeback reason id M01 falls under the “Inquiry/Miscellaneous” category. Fraudulent Activity. There are many reasons why a chargeback occurs, with over 100 reason codes listed across the major credit card brands. At Visa they used to receive reason code 98. All chargebacks start with a customer making a purchase in person, in an app, or online. 08. There are over 80 unique return codes, and each one represents a different type of return. “Visa has 28 different reason codes. This return reason code may only be used to return XCK entries. The chargeback transfers funds from the acquirer to the issuer. These symbols stand for reasons why a financial institution may file a credit card chargeback from their client’s name. This code tells you why the customer or bank initiated the dispute. American 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. A chargeback reason code is a 2-to-4-digit alphanumeric code given by the issuing bank tangled in a chargeback. And according. 2 for Visa and Reason Code 4850 for Mastercard). customer charged, did not rec goods/srvcs. Fight; Prevent; Get; Assets. MDR also retired reason code 4840 – Fraudulent Processing of Transactions. That definitive guide included the chargeback reason codes from each of the quad larger card connectivity. Your actions in response to a Reason Code 57 chargeback will depend on the particular circumstances, the most typical of which are listed in the table below: You did process the appropriate credit to your customer’s card account. Chargeback reason codes will usually provide specific information about what kind of evidence is needed to get the chargeback reversed. Merchants can find a. Reason Code 12. These codes explain the reason why the chargeback was filed, and the reason the chargeback was approved. reason_description: string. In addition to Reason Codes changing as a result of the VCR program, each Reason Code is now associated with a new Reason Category. P05 – Incorrect Charge Amount. Lack of proper chargeback reason codes. This is commonly caused by either true fraud or friendly fraud. If you don’t reply in time or with . 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. Additionally, Amex uses a fifth "Miscellaneous" category. In most cases, though, cardholders have 120 days after the original purchase date to dispute the charge. The list of chargeback reason codes in this article. The most comprehensive guide to chargeback reason codes. ” One might nearest consider this chargeback a technicality, as it only exists wenn the merchant explicitly agrees to take liability for a dispute. It is subject to change and may not include every currently known dispute reason code. Info Us; In and. 0: Updated report version from 1. The sales receipt and/or date and amount of the authorization if other than the transaction date. FR4 Immediate Chargeback Program. Also, remember that the time frame for your response includes any processing required by the acquirer. There are two parts to this. FAQ: What is Chargeback. For each claim, you must craft your representment to suit the reason code under which the bank filed the chargeback. They also can’t prevent the lost sales revenue and merchandise resulting from a consumer dispute. The credit card number used for a sale is not assigned to a valid account or cardholder. American Express uses four main categories to organize its reason codes: Authorization, Card Member Disputes, Fraud, and Processing Errors as well as two additional. Download PDF . Most reason codes apply to any merchant, regardless of what’s being sold. 4853 – Cardholder Dispute – Goods or Services Not Provided. The time limits for responding to a chargeback also vary based on the card scheme and the chargeback reason code. With the chargeback code in hand, the merchant can now review the transaction. One catch is that CE3. What stands out about the Discover reason codes list, though, is most of the codes are alphabetically-noted rather than numeric. P03 – Credit Processed as Charge. A chargeback happens when a customer requests for a transaction to be reversed. Chargebacks are a problem that is growing worse across the board, and gas station. If one member believed the other violated a Visa rule when handling a chargeback, they filed a pre-compliance chargeback for compensation. Time and Labor. 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. See our Automated Clearing House (ACH) support article if you are looking for ACH Return Codes. What are reason codes?. Once filed, the merchant generally has 20 days to respond. Moreover, there are other two categories to handle the Amex chargeback: inquiry and chargeback programs. Other Ineligible Transactions Under Reason Code 62, Condition 2 . reason code information. 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. This may be done by either the merchant or the issuing bank. Chargeback reason code 4853 can be used to indicate disputes where the cardholder simply claims that the merchant never delivered on what was promised. 146. 16, 2021. The chargeback reverses a money transfer from the consumer's bank account, line of credit, or credit card. 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. Fight; Prevent; Recover; Predict; Success Story; Resources. 1. #9. Here are the two possible scenarios: 1. Updated: Valid values updated. Reason Codes Category 4: Processing Errors. 3: Goods or services were not received: C08: RG: 4855: 13. Identifying the chargeback. 3 DUE DATE The Visa chargeback reason codes system underwent a major overhaul in April 2018 as part of their new Visa Claims Resolution (VCR) initiative. Your first step is to identify the chargeback reason code, which is a kind of shorthand that indicates why the transaction is being disputed. Reason code 13. com. 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. A chargeback happens when a customer requests for a transaction to be reversed. 04/20/13 Visa and MC Retrieval Codes — removed retired codes MC Reason Code 372 address the specific dispute reason with the documents you send. For example, 'R04' indicates that an invalid account number was. Visa - 10. ; Resources. Cardholder Disputes. Visa recently shortened chargeback time limits from 45 days to 30. What are the odds a merchant will “win” the chargeback dispute? The true odds depend on the strength of the compelling evidence and the chargeback reason code itself. Click the Update Chargeback link to edit the chargeback details. Chargeback Reason Codes 85 and 4860 may be caused because the merchant: Did not issue a credit. 4 Fraud – Card-Absent Environment. This authoritative guide includes the chargeback reason key from each from the four major card netz. Chargeback Reason Codes Fraud – Card-Not-Present (CNP) Network Reason Code Bank Initiation Timeframe Accel 81 120 calendar days from transaction processing date American Express FR2, F14, F24, F29 120 calendar days from transaction processing date Discover 4752 AA, 7030 UA02 Within 30 calendar days from the close date of the TRRUpdated August 23, 2023. 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. The ECI value tells you what to do next in a 3DS transaction — proceed, reject the purchase, or try again. The chargeback is ordered by the bank that issued the consumer's payment card. For more information on these and other updates, check out our complete chargeback reason. Use this guide as a quick resource for Visa chargeback reasons at a. So don’t spend another second worrying about chargebacks. Mastercard issuers use merchant advice codes to respond to authorization requests, and as a communication tool with merchants regarding a cardholder's account. 105. Get your complete guide to the new Visa reason codes, including all the detailed information, chargeback time limits, and other important information you need. These codes can help a merchant with. Written by Chargeback Gurus. 04/09/14 Discover: DC, U02.