Inform your acquirer of the date that the credit was issued. The issuing bank initiates the first chargeback on behalf of the cardholder by sending a chargeback notification to Adyen stating the dispute reason. There are over 80 unique return codes, each representing a different return type. 3. The length and structure of Reason Codes changed from a current two-digit code to four to six digits that contains decimal(s) point(s). the requested documentation, your account will be debited. There are a number of chargeback reason codes that are dedicated specifically to transaction errors. ACH return codes identify the reason an ACH payment was returned by the recipient's bank. There are dozens of reasons why cardholders and issuers dispute transactions. Chargeback prevention strategies vary based on the reason for the. Visa specifies 46 reason codes under the categories of Fraud, Authorization, Point-of-Interaction Error, Consumer Disputes, and Processing Errors. The following chargeback reason codes are related to EMV: Visa: 10. chargeback_settlement: The gross shows negative if the chargeback was resolved in the buyer's favor, and the funds return to the buyer. American Express Chargebacks / Disputes. UA01 Fraud – Card Present Transaction. Chargeback Reason Codes 85 and 4860 may be caused because the merchant: Did not issue a credit. School Yeshiva University; Course Title BUS MISC; Uploaded By KidGorilla7385. And according. ”. Each reason code has certain standards of proof and evidence associated with it that determine whether the chargeback is valid or not. 4860 Credit Not Processed. A Charge is Disputed * We’ll work directly with the Card Member and try to resolve the case before reaching out to you. ©Dispute Reason Code: A specific code associated with the reason given by the buyer for initiating the chargeback. Fight; Prevent;. A false decline on a credit card or debit transaction occurs when a legitimate card purchase is rejected by mistake. Understanding chargeback reason codes is one of the most essential parts of effective chargeback management. Last updated: October 15, 2019 . ONE reason code is an alphanumeric code selected from a fixed list by the issuing bank to indicate the reason of cardholder gave for requesting a chargeback. Identify issues within 24 hours of a cardholder dispute, rather than waiting. It is caused by things like beliefs, opinions, morals, regrets, fear, and confusion. It is important for the merchant to. ️ Take quick action. Chargebacks: Your Guide to Reducing Hassle and Cost. List and additional information about all reason codes by card brand. Click below to request a free demonstration, and we’ll create a customized report showing exactly how much ROI you can expect. Most Common Chargeback Reason Codes #3: Order Significantly Not as Described. 4: Fraud—Card-Absent Environment. 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. Automated Clearing House return codes, reasons, and details. Early Warning: Reaching a chargeback ratio of 0. A chargeback happens when a customer requests for a transaction to be reversed. Reason Code 12. All cardholder data must be encrypted, truncated, or tokenized; account numbers can only be partially displayed. Download PDF . 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. ” One might almost consider this chargeback a technicality, as it only exists when the merchant explicitly agrees in take liability for a. About Us; Careers We're hiring! In The Press; Latest News; Events; Corporate Responsibility; Brand Resources; Contact Us. 3. Author: Isaac Lambert. 3 applies when a cardholder claims a charge—made in a card-present environment—was. For example, Visa reason code 83 is one of the reason codes with several modifiers with which it’s associated. The most popular type of disputes of the chargeback category. 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. Mastercard specifies 21 reason codes under the categories of Fraud, Authorization, Point-of-Interaction Error, and Cardholder Disputes. The good news is that most of these invalid claims are disputable by the merchant. 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. If they think it does, they assign it a reason code and credit the funds back to the cardholder’s account. 4: . 1=1010, 10. for chargeback reason code 4863 (Cardholder Does Not Recognize). Each chargeback reason has its own, individual prevention techniques. Immediate Chargeback Program: FR5: No Further Recourse: FR6: Partial Immediate Chargeback Program. This will be referenced in the chargeback notice you received. Blog and Articles; Success Stories; Chargeback Reason Codings; DUMPSTER Look-up;. com. The sales receipt and/or date and amount of the authorization if other than the transaction date. While the updates have been published, they do not go into effect until Oct. ”. NACHA Return Codes. While there are many chargeback reason codes, all chargebacks fall into one of three categories:Or fill in the chargeback form because it seems easier than contacting the merchant directly. Never swipe a card back and forth or at an angle, as it may cause the reader to misread the stripe. For example, Visa Chargeback reason code 83 is now VCR reason code 10. P08 – Duplicate Charge. All card brands have their own number of codes). Chargeback Reason Code. #9. MASTERCARD Reason Code Description. 3 is an updated version of legacy Visa reason code 72, which was phased out under the Visa Claims Resolution initiative. Shopify Payments Chargeback Reason Code #5: Product Not Delivered. 145. Reason Code M01: Chargeback Authorization. A chargeback happens when a customer requests for a transaction to be. Prevented; Recover; Tools. M01: Request for Information: Merchant Accepted Chargeback: M04: Cancelled/Returned by Cardholder: Merchant Accepted Chargeback: R14:60. Reason codes are important to help merchants address recurring. As we touched on earlier, chargebacks can happen due to technical errors. This list was generated 5/4/2022. Time to respond: 20 days from date of chargeback. Duplicate Processing - 81Some Mastercard reason codes (4808, 4870, and 4871) proceed directly to arbitration if the issuer does not accept the merchant's representment. SolutionsWrite customer-friendly policies. 15, 2021. A reason code or a chargeback reason code is a string of symbols (numbers and letters). Vantage House2. Chargeback reason code 10. To subscribe and learn more about the free online chargeback management system, or contact Chase Paymentech Client Services at 1. Amazon Pay will send you a notification email when you get a chargeback, which will include details such as the order number and reason code. Most reason codes apply to any merchant, regardless of what’s being sold. Under the new VCR process, there will be 4 dispute categories: Fraud, Authorization, Processing Errors and Consumer Disputes. 0 to 5. , Visa uses a two-digit code; Mastercard uses a four-digit code. In simple terms, an Electronic Commerce Indicator (ECI) is basically a 3-D Secure response code. Chargeback Reason Codes Reason code are the first key to understanding the root causes . REQUEST A DEMO. 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. 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. The AVS check is usually done as part of the merchant’s request for authorization on the card. However, you’re not alone; they create headaches for many players within the Mastercard ecosystem. FAQ: What is Chargeback. American Express Chargebacks / Disputes. They only bill customers during a dispute if there is compelling evidence to show the cardholder’s account is in the wrong. 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. Collect Compelling Evidence. prenotification of chargeback, depending on the chargeback reason code, to the agency requesting additional documentation to properly dispute and remedy the chargeback. Accepting recurring transactions is enough cause for acquiring banks and processors to label you as a “high-risk” merchant. A reason code or a chargeback reason code is a string of symbols (numbers and letters). American Express Chargebacks / Disputes. You can learn more about each one by visiting the Mastercard Chargeback Guide. Most acquiring banks put a timeframe on when customers can initiate a chargeback for a purchase. 4853 – Cardholder Dispute – Digital Goods Purchase of $25 or Less. It is important for the merchant to know about the American Express Chargeback Reason Codes when dealing with a chargeback. 3. Under Set Order Status, select None, Refund, or Chargeback. Check with the issuing banks to determine what time limits may apply to you. The chargeback reverses a money transfer from the consumer's bank account, line of credit, or credit card. The new codes, which can be found in our reason code guide, start with a two-digit number indicating which of Visa's four dispute categories it falls into: 10 — Fraud; 11 — Authorization; 12 — Processing Errors; 13 — Consumer Disputes; The Visa Claims. Chargeback 101: Credit Card Chargebacks Explained | Square What Is a Contactless Payment? Jan 05, 2023 — 3 min read Dec 15, 2021 — 3 min read Dec 27,. 4853 – Cardholder Dispute – Credit Not Processed. VCIPayments; NMI;. These codes explain the reason why the chargeback was filed, and the reason the chargeback was approved. Accessed October 31, 2022. Description: Reason code for applying handling fee. The reason_description field lists the chargeback reason. P01 Unassigned Card Number; P03 Credit Processed as Charge; P04 Charge Processed as Credit; P05 Incorrect Charge Amount; P07 Late. Vantage HouseMerchants who receive a chargeback for a transaction placed with an American Express card may encounter reason code FR2, which indicates an unauthorized charge that the cardholder does not believe they should be responsible for paying. 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. Visa uses chargeback reason code 75 to designate chargebacks caused by non-recognition of a credit card transaction by the cardholder. Depending on the specific situation, Mastercard will match authorization response to one of the following merchant advice codes: Mastercard Response Code. M01 Chargeback Authorization. American Express Chargebacks / Disputes. A chargeback is the potential outcome of a disputed credit or debit card transaction. 7: Defective goods and services: C32: RM: 13. Card Brand Code Description Days to Dispute Dispute Category;. Use order validation and prevention alerts. Either the acquiring or issuing bank could initiate the. Reason Code 03: Laundering: The merchant processed transactions that did not involve a bona fide cardholder: Reason Code 04: Excessive Chargebacks: The merchant breached predetermined chargeback thresholds: Reason Code 05: Excessive Fraud: The merchant breached predetermined fraud-to-sales dollar volume thresholds:. 3 is the less common version for card-present transactions. 1: Merchandise/services not received Visa uses this reason code when a customer claims they didn’t receive the goods or services they ordered from your business. Stop order fulfillment so cost of goods isn’t lost. This provided a number of insights into the typical. 3: Not as described or defective merchandise: VCR Dispute Reason Code 13. Batch chargeback process. 08. The CB Reason represents the default reason for marking the transaction as a chargeback, but this default value can be changed. Visa’s 22 chargeback reason codes will be merged into client disputes – fraud, authorization, processing errors, and four guidelines. Chargeback time limits vary depending on the reason for the dispute. Solutions. This is commonly caused by either true fraud or friendly fraud. Feel free to submit topic suggestions, questions or requests for advice to:. 4854 Cardholder Dispute—Not Elsewhere Classified (U. The credit card number used for a sale is not assigned to a valid account or cardholder. ”. Chargeback reason American Express reason code Discover reason code Mastercard reason code Visa reason code; Cancelled subscription: C28: NF: 4841: 13. P04 – Charge Processed as Credit. 2: Cancelled recurring transaction: VCR Dispute Reason Code 13. If the order was genuinely not as described, then the cardholder has a case. This definitive guide comes that chargeback reason codes from jeder of of four majority card networks. These codes are broken down into five different category. American Express uses four main categories to organize its reason codes: Authorization, Card Member Disputes, Fraud, and Processing Errors as well as two additional categories, Inquiry/Miscellaneous and Chargeback Programs, to classify just a handful of reason codes. 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. Chargeback Reason Code. September 2011: 5. Which is meant to know the reason for the dispute. Reason code 13. Eventually the existing chargeback reason codes won't be used and will be removed from this guide. 4846. It gets worse. Acquirer after the 3-month Workout Period, as described in “Excessive Fraud Activity Notification - U. For more information on these and other updates, check out our complete chargeback reason. Here are some chargeback reason codes by card type. Explore more ACH Return Codes. MASTERCARD. chargeback_settlement: The gross shows negative if the chargeback was resolved in the buyer's favor, and the funds return to the buyer. ” This code indicates the merchant waited too long to finish processing a transaction, and the account was no longer in good standing when the transaction was completed. Chargeback reason code - A numeric, custom way to explain the reason of raising a chargeback specific per Card Scheme, e. 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—QuestionableAny of those things could easily result in a recurring billing chargeback ( Reason Code 13. 9% with at least 100 total disputes. Step #2 | Report the Scam to PayPal. Once filed, the merchant generally has 20 days to respond. The chargeback transfers funds from the acquirer to the issuer. Chargeback reason code description – An explanation which provides the reason of raising a chargeback by the cardholder. A reason code will be provided. At their core, false declines are legitimate transactions that get blocked on the suspicion of fraud without any fraud actually occurring. Based on the information provided, Paymentology will investigate the transaction being disputed. M10 Vehicle Rental – Capital Damages. Get definitive guide includes the chargeback reason codes from all of the to majority card networks. Merchants can find a. A Product Not Delivered chargeback means the customer believes they did not receive the goods or services they purchased. 9808 info@chargebacks911. Book a demo with one of. If a customer makes a chargeback request on the basis that he or she has not authorised the transaction, the customer's bank will charge the transaction back to the merchant’s bank. 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. M01: Merchant Accepted Chargeback-Miscellaneous: Amex: M04: Visa chargeback reason codes . Values are: Blank: Use the draft G/L date. Importance of Chargeback Reason Codes CODE: DESCRIPTION: A01: Charge Amount Exceeds Authorization Amount. These codes can help a merchant with. For instance, if the customer claims unauthorized purchase, your letter should cite evidence, such as an IP address matching previous purchases, to support. Solution. A chargeback happens when a customer requests for a transaction to be reversed. Once filed, the merchant generally has 20. In addition to Reason Codes changing as a result of the VCR program, each Reason Code is now associated with a new Reason Category. Chargeback reason codes 71 and 4808 are caused when merchants ignore a declined authorization response from the issuer and attempt one of the following actions: Forced posting. M01: Request for Information: Merchant Accepted Chargeback: M04: Cancelled/Returned by Cardholder: Merchant Accepted Chargeback. ’Consider using all the tools available to you—including Visa Secure, card security code (CVV2), and Address Verification Service (AVS). Across open networks and include account numbers sent over email, instant messaging, text, or chat. The codes for each card brand are listed below along with the recommended documentation to provide. . 1 – EMV Liability Shift 10. P08 – Duplicate Charge. When a cardholder disputes a charge, their issuing bank will review the transaction and decide if. Identifying the chargeback. 1 falls under the “Processing Errors” category. Click “filter orders”. Now, 10. Your first step is to identify the chargeback reason code, which is a kind of shorthand that indicates why the transaction is being disputed. Merchants can find a. Global chargeback volume topped 615 million cases in 2021, and was estimated to cost merchants nearly $117 billion in revenue. Visa uses a numeric scheme for its chargeback reason codes. A reason code helps explain why a transaction was disputed. Friendly fraud. This return reason code may only be used to return XCK entries. Everyone from processors and card brands to local and federal governments has rules about how payments should be handled. Chargeback Reason Codes for AMEX. ” One might nearest consider this chargeback a technicality, as it only exists wenn the merchant explicitly agrees to take liability for a dispute also approve a chargeback. Field name: reasonCode. Written to Chargeback Gurus. 2. Now, 10. Click on “report a problem” and select the transaction in question. In this instance, the cardholder claims a misrepresentation of the order they received, such as a defect, damage, counterfeit, or incomplete merchandise. 634. A reason code is how banks categorize the reason for a chargeback. To do so, you should open your Wallet app and tape “Apple Card. Technical. Examples, processing a transaction even after the subscription is cancelled, defective items delivered, non-delivery of sold goods and so on. Region. There is a USD 25 limit for the First Chargeback (Reason Code 22). Code description a01 charge exceeds authorization. The network hasn't wholly disallowed some old codes. Visa Chargeback Reason Codes. Unauthorized returns (R05, R07, R10, R29, R51): 0. EMV has been a mostly global standard since 2004. Partnerships; Integrations; About. Dispute Category. Reason Codes Category 4: Processing Errors. Chargebacks are a problem that is growing worse across the board, and gas station. 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. 3: Goods or services were not as described: C31: RM: 13. And according. Not recognizing your billing descriptor on a statement. Solutions. 4% of all transactions worldwide are made with EMV chip cards, which has led to a precipitous drop in card-present fraud. 3 applies when a cardholder claims a charge—made in a card-present environment—was. By entering your email, you agree to receive marketing emails from Shopify. FR2 Fraud Full Recourse Program. UA06 Fraud – Chip and PIN Transaction. If one member believed the other violated a Visa rule when handling a chargeback, they filed a pre-compliance chargeback for compensation. It is important for the merchant to know about the American Express Chargeback. Visa chargeback reason code 75 is filed as an honest mistake. During this process, the representative of the institution examines the reasons’ list. Authenticating users and providing a quality customer experience are vital to prevent fraud and chargeback abuse. 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. The cardholder alleges they never received the products or services. Card Member cancelled, refused or returned goods and/or. com M01 Chargeback Authorization; Processing errors. Chargeback reason codes. The list of chargeback reason codes in this article. Most Common Chargeback Reason Codes #3: Order Significantly Not as Described. Review your credit card processor’s policies to understand its chargeback dispute process. Chargeback management describes all of the ways in which merchants can deal with fraud and disputes that result in payment reversals. 104. Click below to request a free demonstration, and we’ll create a customized report showing exactly how much ROI you can expect. account closed or insufficient funds. U Express chargeback reason id M01 falls under the “Inquiry/Miscellaneous” category. All cardholder data must be encrypted, truncated, or tokenized; account numbers can only be partially displayed. This definitive guide comprise which chargeback reason encrypted with apiece of the four greater bill networks. The chargeback debit usually occurs a few days after you receive the NoC. The shorthand description is “Chargeback Authorization. Mastercard Chargeback Reason Code 70: Chip Liability Shift. Managing Reason Code 57 chargebacks. Code 10. Oftentimes, the reason code assignment is based on limited knowledge and insight. Across open networks and include account numbers sent over email, instant messaging, text, or chat. 65% with at least 75 total disputes. Fight; Hinder; Recover; Resources. • Removed reason code 4840 (Fraudulent Processing of Transactions) Chapter 1—General Information. Category. These chargebacks will show up under reason codes that will, on first glance, appear legitimate. In simple terms, an Electronic Commerce Indicator (ECI) is basically a 3-D Secure response code. Using the same link provided above, contact PayPal to report the scam. Each of the major card brands, including Visa, Mastercard, and others, have their own system of reason codes. Specify the default reason code to. 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. Either the acquiring or issuing bank could initiate the chargeback. For example, 'R04' indicates that an invalid account number was. Other Fraud—Card Present Environment. At Visa they used to receive reason code 98. Additionally, Amex uses a fifth "Miscellaneous" category. message. Additionally, Amex uses a fifth "Miscellaneous" category. 7 downloads 2 Views 352KB Size. Reason. The current situation puts online betting. Written over Chargeback Gurus. It can range from 60 to 120 days from the billing date. Chargeback Reason Codes for AMEX. 1: Merchandise/services not received Visa uses this reason code when a customer claims they didn’t receive the goods or services they ordered from your business. Depending upon the class, a retailer will have a swift way to offer evidence supporting the claim. M01: Chargeback Authorization: Inquiry/Miscellaneous: M10: Vehicle Rental – Capital Damages: Inquiry/Miscellaneous: M49:. American Express Chargebacks / Disputes. Issuer Review; Allocation. FR4 Immediate Chargeback Program. School Yeshiva University; Course Title BUS MISC; Uploaded By KidGorilla7385. After an authorization request is declined, the merchant forces the transaction through, typically by key-entering it, without making another authorization. Mastercard Chargeback Reason Code 71: Disputed Amount. Understanding chargeback reason codes is one of the most essential parts of effective chargeback management. Chargeback Reason Codes All received credit card disputes include a reason code. It is important to identify and understand the root cause and take the necessary steps to dispute the chargeback. For perspective, the next highest. Time Frames by Chargeback Type and Reason Code The Time Frame charts in this guide indicate the reason codes, allowable time frames for chargeback processing. When a customer decides to dispute a charge made to their debit or credit card, it is referred to as a chargeback. Get your complete guide to the new Visa reason codes, including all the detailed information, chargeback time limits, and other important information you need. The actual underlying cause of this chargeback is usually either true fraud or friendly fraud. 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. Each code corresponds to an issue or problem. 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 other two chargeback reasons can be traced to very obvious causes — criminal activity and merchant mistakes. Merchants can analyze the root causes of their chargebacks by examining the reason code of the chargeback and their own records regarding the purchase in question. TC40 data is used to inform banks and card networks when a merchant has an outstanding fraud. Chargeback. However, the disputes themselves are still categorized by the issuing bank based on the card network issuing the card. FAQ: What is Chargeback Representment? TIPS. In most cases, the bank chooses a course of action based on information the cardholder provides. If one member believed the other violated a Visa rule when handling a chargeback, they filed a pre-compliance chargeback for compensation. invalid merchandise cred chargeback req. 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. invalid adjustment received - req. 634. Example: 25. Here’s how. Chargeback reason American Express reason code Discover reason code Mastercard reason code Visa reason code; Cancelled subscription: C28: NF: 4841: 13. com Europe. 1? Visa chargeback reason code 12. Mastercard Chargeback Reason Code 70: Chip Liability Shift. Thus, the easiest way to prevent chargeback reason code 75 from being. A new 4 byte reason code will be used moving forward. Why did I get a chargeback with AmEx reason code M01? How can I prevent this dispute in the future? Can I fight this chargeback? Learn more from Midigator!Reason Code M01 : Chargeback Authorization ↩ Back to Directory Dispute Card Issuer American Express Reason Code M01 Category Inquiry Claim American Express sent a. Category. Nevertheless, you must respond to the chargeback based on the given code. Below is a list of Mastercard chargeback codes used in eCommerce. 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. 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. Like definitive guide involves the chargeback reason laws upon each of the four major cards networks. UA10 Request Transaction Receipt (swiped card transactions) UA11 Cardholder claims fraud (swiped transaction, no signature) These chargebacks occur to resolve chargeback-related disputes between network members. What is American Expedite chargeback reason code M01? American Express chargeback reason code M01 falls under the “Inquiry/Miscellaneous” category. Chargeback fees make up a big chunk of the total costs, so we’re going to take a. Specify the invoice date and net due date that you want the system to assign to chargebacks. Write a chargeback rebuttal letter (with sample template) 8 Ways to Prevent Chargebacks. Once filed, the merchant generally has 20. [noun]/* kə • stə • mər • di • spyo͞ot/. Fine Period - month 2 or 3. Values are: Blank: Use the receipt G/L date. 4 Section . Solutions. 6 Processing Transactions 7 Processing Transactions Swiping a Card Before swiping, make sure the stripe is facing the reader. Chargeback Reason Codes Visa. Use this guide as a quick resource for Visa chargeback reasons at a. Removed these Discover Chargeback Codes: AL, CA, IC, IS, NC, SV, U03, UNR. Claim Adjustment Reason. 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. . 144. This definitive guide includes the chargeback reason codes coming each of the four greater menu networks. “Visa has 28 different reason codes.