Chargeback reason codes list. This umbrella category can be applied to multiple specific situations, many of which had their own specific codes at one time. Chargeback reason codes list

 
 This umbrella category can be applied to multiple specific situations, many of which had their own specific codes at one timeChargeback reason codes list  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

How many chargeback reason codes are there? Among the four major credit card networks, there are a total of 151 reason codes. Any time. Each time a consumer files a chargeback, the merchant is hit with a fee ranging from $20 to $100 per transaction. Nor is the situation static. 2 Declined Authorization; 11. Visa Chargeback Reason Code 13. AMERICAN EPRESS CARGEBACK CODES 6 REASON CODE 4513 Credit Not Presented Chargeback Reason Any of the following reasons: 1. This chargeback<br />. prenotification of chargeback, depending on the chargeback reason code, to the agency requesting additional documentation to properly dispute and remedy the chargeback. 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. Without 3D Secure Liability shift, it is difficult to challenge the dispute. What is Visa chargeback reason code 13. Chargeback reason codes are a list of common reasons why customers dispute charges on their credit card statements. A WORD OF WARNING: MATCH reason codes are not the same as chargeback reason codes. Products. These codes can. Company. Additionally, one clearing transaction. 1 chargeback: The merchant failed to ship the merchandise or provide the service as agreed. To generate a chargeback, the issuer must submit the First Chargeback / 1442 message with the applicable message reason. Change of Chargeback Reason to an Authorization-related Chargeback Replace ‘Change of Reason within the Cardholder Dispute Chargeback’ with this section. A reason code is how banks categorize the reason for a chargeback. People request chargebacks for all kinds of reasons—some sinister (like friendly fraud), some because the item they bought never arrived. View the entire list or search for any chargeback reason code. A ratio of 3% or more with at least 300 chargebacks will result in being categorized as a High Excessive Chargeback Merchant (HECM). 2023 Consumer Attitudes Towards Chargebacks 7 Best Practices in Chargeback MitigationVisa chargeback reason code 70 falls under the “Authorization” category. “Credit Not Processed,” the reason code for unreceived refunds, accounted for 12% of consumer disputes at the height of the pandemic. The aim here was to streamline the list of reason codes, and make it. Depending on whether the documentation is required or not, Paymentology will submit these chargebacks on the client’s behalf. A Shopify chargeback occurs when a cardholder contacts the bank about. Explanation of the occurrence of a chargeback, with a detailed breakdown by type and prevention options. Reason codes are very crucial to assist merchants to. Explanation. Mastercard – 4853 Cardholder Dispute of a Recurring Transaction American Express – C28 Canceled Recurring Billing Discover – AP Recurring Payments The. 2 – EMV Liability Shift Non-Counterfeit Fraud. Get your complete guide to Amex reason codes, including all the detailed information, chargeback time limits, and other important information you need. These codes are currently defined within the ANSI X9. Chargeback Refund: return by the payer’s bank (e. 6 – Credit Not Processed. F02. 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. Chapter 2: Average chargeback rates; Chapter 3: Chargeback Reason Codes Guide; Chapter 4: American Express Chargeback Reason Codes; Chapter 5: Mastercard Chargeback Reason Codes; Chapter 6: Visa Chargeback Reason Codes; Chapter 7: Chargeback responses; Chapter 8: Chargeback response templates; Chapter 9:. The reason code specifies why the chargeback was initiated. If they don't accept, disputes with reason codes 4808, 4870, or 4871 go straight to Arbitration. R13 No Reply. 16, 2021. High Level Visa Chargeback Dispute Flow. 1: EMV Liability Shift Counterfeit Fraud: 10. Eventually the existing chargeback reason codes won't be used and will be removed from this guide. Condition 13. As expected, chargeback reason codes exemplified consumer sentiment. Mastercard: n/a This chargeback is caused by Authorization. A reason code is an alphanumeric string of text an issuing bank attaches to a chargeback dispute to explain its cause. The code replaces Visa’s legacy reason code 41. Depending on whether the documentation is required or not, Paymentology will submit these chargebacks on the client’s behalf. Card Recovery Bulletins and Exception Files are documents created by Visa that list credit. To take advantage of these new advice codes, merchants and their acquirers must learn to recognize the new data values and their meanings and use them. EFM MONTHLY CRITERIA NUMBER OF E-COMMERCE TRANSACTIONS FRAUD CHARGEBACK AMOUNT FRAUD CHARGEBACK RATIO BASIS POINTS (BPS) 3DS UTILIZATION (EMV 3DS + DATA. For enterprises with tight margins. Resources. Mastercard: n/a This chargeback is caused by Authorization. message. Use this guide as a resource to quickly identify a chargeback reason code from Mastercard. Please contact the issuing bank for a specific reason. 0. Note: If there are no Motives applicable to the Reason Code, this field contains “0. For card-absent transactions, use all Visa tools, including AVS, CVV2, Visa Secure, and more, to reduce instances of fraud. 2023 Consumer Attitudes Towards Chargebacks 7 Best Practices in Chargeback MitigationChargeback Reason Codes by Industry. 5% or more are categorized as Excessive Chargeback Merchants (ECM). It’s even more frustrating if you don’t understand what the chargeback code means. 1002 - Cardholder disputes billed amount. 1. Be careful not to process canceled or voided transactions. Use this resource to prevent and fight chargebacks with greater accuracy. For each reason code, a definition is provided along with the merchant’s actions—or failure to act—that may have caused the chargeback,The first thing to understand is that not all chargebacks are the same. Request Transaction Documentation for Keyed Card Transaction. 80. Reason codes are alphanumeric codes that provide the justification for granting a chargeback. Time limits vary by card network and reason code, though, so you should look into the specific terms tied to the reason code. However, the main takeaway here is that there are tons of reasons why a consumer would issue a chargeback – and it’s probably impossible to list them all. Chargebacks with the following reason codes are requested due to fraudulent activity. FR4 Immediate Chargeback Program. What Are Chargeback Reason Codes? Chargeback reason codes are a set of numbers and letters indicating why a. They can also be caused by a merchant failing to process a cancellation promptly. Consider using all the tools available to you—including Visa Secure, card security code (CVV2), and Address Verification Service (AVS). P05 – Incorrect Charge Amount. 1st chargeback Re-present Pre-arbitration 2nd chargeback To be removed in July 2020 File case MCI rule 120 days 45 days 45 days 45 days Mastercard cycle Our ability to defend you relies on the documentation you submit. Expired Chargeback Protection Period. 1 and Note on page 14 Chapters 1 and 2 Chapter 1 1. MATCH List Reason Code: Title: Explanation: Reason Code 01: Account Data Compromise: Account data is stolen from the card-present merchant and used with other merchants:. 6). Generally, this information can be used to: resubmit for payment. Duplicate Processing - 811. The journal Chargeback reversed is booked and the disputed amount is transferred back into your account. 3 – CBK: Fraudulent Transaction: No Cardholder Authorization 10. 3: Goods or services were not as described: C31: RM: 13. 5 – Misrepresentation. Discover Card Chargeback and Dispute Rules. Thus, the easiest way to prevent chargeback reason code 75 from being filed is. Expired Card: Some people hang on to cards longer than they should. 1 Merchandise/ Services Not Received. Removed these Discover Chargeback Codes: AL, CA, IC, IS, NC, SV, U03, UNR. Code Reason (for Visa) 10. 1 - Card Recovery Bulletin; 11. 3 is the less common version for card-present transactions. 3 No AuthorizationFree Download. The newer system is designed to. The customer regrets their purchase. There are six different types of RFI reason codes for the dispute notifications. Most Common Chargeback Reason Codes #3: Order Significantly Not as Described. eCommerce Travel Crypto Gaming SaaS Gambling Ticketing. Reason codes. Overview. About Visa chargeback reason codes. 2. UA06 Fraud – Chip and PIN Transaction. 3 Changed Discover Reason Codes to match what is shown in the UI. 4870 – Chip Liability Shift. The merchant processed a random account number and didn't obtain the owner's authorization. Code. At this point, funds are not yet deducted from your account, but a NoC always indicates that your account will be debited for the chargeback amount. FR4 Immediate Chargeback Program. Each chargeback has a chargeback reason code assigned to it, which is a two-digit number that corresponds to the reason the customer is disputing the charge. 13. 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. When filing a chargeback, the issuing bank chooses a reason code from the list for the applicable card network. MasterCard Chargeback Reason Codes. Mastercard Chargeback Reason Code 71: Disputed Amount. Learn more about chargeback reason codes here: Chargeback Reason Codes: List & Tips for Merchants. Once you’ve identified the reason for the chargeback, you can investigate the transaction to determine whether or not the chargeback is legitimate. 2: EMV Liability Shift Non-Counterfeit Fraud: 10. Case Studies. Excessive Chargebacks: The merchant exceeded established chargeback thresholds. Invent - UA02 Fraud – Card Not Present Transaction. For instance,. • Chargeback – a message sent via the card brand network to debit the merchant and credit the issuer for a cardholder dispute. For example, the merchant bills the cardholder in installments. Explanation. Reason codes are alphanumeric codes that provide the justification for granting a chargeback. This code applies when a transaction was processed without acquiring authorization…but the card used in the transaction was listed in the Visa Card Recovery Bulletin (CRB). Chargeback Gurus takes the pain out of chargeback management, helping businesses recover their lost revenue. 5, and all aspects of chargeback reason codes, with proprietary technologies and. Mastercard Chargeback Reason Code 73: Duplicate Transaction. 65 - Withdrawal limit exceeded: The transaction would exceed the. 3 – CBK: Requested/Required Authorization Not Obtained 12. P03 – Credit Processed as Charge. So the company has more incentive to side with customer during cardholder. Mastercard issuers use merchant advice codes to respond to authorization requests, and as a communication tool with merchants regarding a cardholder's account. 1 Merchandise/Services Not Received . The initial release of this standard does not add, remove or change any Return Reason Codes. An ACH dispute results in a chargeback for the business that processed the payment. The ultimate purpose of a chargeback reason code is to explain to the merchant why a chargeback was filed. If the order was genuinely not as described, then the cardholder has a case. The following table shows response codes and their meanings for ISO 8583-1987, later versions uses 3 and 4 digit response codes. The same is true of all chargeback reason codes. 4 applies to eCommerce, whereas code 10. Chargebacks have both short and long-term ramifications for merchants. The other member could accept the chargeback or contest it, escalating the dispute to compliance where Visa adjudicates. 1. [noun]/* fren • dlē • frôd • /. Chargebacks explained. Excessive Chargebacks: The merchant exceeded established chargeback thresholds. The codes also appear on financial reporting associated with disputes. Midigator has created a database of reason codes. 5 – Misrepresentation. There are a number of chargeback reason codes that are dedicated specifically to transaction errors. Code. FR6 Partial Immediate Chargeback Program. When a cardholder makes a purchase, but regrets it later, they may file a chargeback to recoup their money. The shorthand description is “Card Recovery Bulletin. Use this resource to prevent and fight chargebacks with greater accuracy . 1 falls under the “Consumer Disputes” category. The following tables show the Stripe categories for each card network’s dispute reason codes. Case Studies. Chargeback Reason Codes In 2016, Mastercard chargeback reason codes were condensed and consolidated, in a restructuring that resembled Visa Claims Resolution. American Express, Discover (and Diners Club International, which it owns) use a combination of numerals and letters. NACHA Return Codes. For example, 10. Non-Receipt of Goods or Services Chargeback Reasons. Having a Lax Attitude Toward Industry Rules & Regulations. message. In 2016, Mastercard chargeback reason codes were condensed and consolidated, in a restructuring that resembled Visa Compensation Resolution. This reason is made visible to all parties involved. 13. 4 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. When a chargeback is submitted, the issuing bank selects a reason code from the list provided by each card network. If the chargeback stems from the use of non-EMV readers, for example, the merchant should implement compliant terminals. 13. You must tailor your representment case — including the compelling evidence — to the reason code under. Updated August 23, 2023. Partners. 195 Acquirer Use of Message Reason Code 7627-No MAC Provided. Below you will find the reason codes for the dispute events Chargeback, Request for Information (RFI), and Notification of Fraud (NOF). 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 TRR According to Signifyd data, the total cost of a fraudulent purchase of $100 is actually $196. 2. Discover - RG Non-Receipt of Goods, Services, or Cash. Each of the major card brands, including Visa,. Every credit card network maintains a list of short alphanumeric codes that identify each valid chargeback reason and the conditions that must be met for them to be granted. P07 – Late Submission. The bank can then reverse the transaction, deducting the funds from your account and returning them to the cardholder's account. Codes 51 (insufficient funds) and 05 (do not honor) are especially common. 00: The amount of the transaction. Learn about the different chargeback reason codes and what they mean. Chargebacks911® can help your business manage risk from Visa chargeback reason code 10. The client can define the chargeback reason code. Scenario 2. Visa Reason Codes. The cost of payment card fraud has increased by 60% over the last decade, and is expected to increase significantly post Covid-19. If you. Midigator has created a database of Mastercard reason codes. Thanks for following the Chargeback Gurus blog. Merchants who end a month with at least 100 chargebacks and a chargeback ratio of 1. A false decline on a credit card or debit transaction occurs when a legitimate card purchase is rejected by mistake. Protection: Use services that will check the validity of your checks and drafts before you deposit the items. Technical. But knowing more about your business, knowing where the gaps could possibly be, and. © CHARGEBACK REASON CODES Reason. 13. An XCK entry may be returned up to sixty days after its Settlement Date. Chargeback Reason Code List - U. If you have a check or draft returned, pay close attention to the reason code so you know if you can redeposit the item. The terminal action codes are in Table 122 of the 4. Case Studies. Category. Incorrect Transaction Code. The fact that every card network has its own list of reason codes can make figuring out what a particular reason code means a bit complicated at times. P01 – Unassigned Card Number. Published: June 1, 2022. Chargeback:{reason_code}: A chargeback with a specific reason code. R03 Insufficient Reply. Discover Chargeback Reason Codes Explained. All other reason codes are up to 120 days from the transaction date. A chargeback happens when a customer asks their card-issuing bank to reverse a transaction. Added the following fields - Store ID, Credit Card Chargeback Reason Code. The Visa Claims Resolution (VCR) initiative, launched in 2018, changed many aspects of the chargeback process. Visa retired the “unrecognized”. Use clear and consistent billing descriptors. Spot these types of chargebacks using the below reason codes. Explore more ACH Return Codes. The reason for the dispute was false or inaccurate. Identify Your Chargeback Triggers. We’ll Handle the Chargebacks. These symbols stand for reasons why a financial institution may file a credit card chargeback from their client’s name. A chargeback reason code is a 2-to-4-digit alphanumeric code given by the issuing bank tangled in a chargeback. 6 – Credit Not Processed. 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. 29. The client can define the chargeback reason code. 1 Quick Reference Lead. Mastercard Chargeback Reason Code 73: Duplicate Transaction. UA02 Fraud – Card Not Present Transaction. For first chargebacks, Mastercard currently only has 9 reason codes in use,. Mastercard Reason Code 4807 – Warning Bulletin File chargebacks should be filed under code 4808. [1] Sift. Accessed October 31, 2022. Before VCR, Visa reason codes were two-digit numbers that often seemed like they were assigned completely at random. For information concerning Chargeback Response Code, see the Chargeback API Reference Guide. About Careers Contact. There are several types of Mastercard chargeback reason codes, each with its own unique set of circumstances. Consider using all the tools available to you—including Visa Secure, card security code (CVV2), and Address Verification Service (AVS). The issuer reviews the case, assigns a reason code, and initiates the chargeback. You can also view your latest chargebacks. 6. When a chargeback is filed, a bank selects the code that best fits the reason a chargeback was filed. They were mandated by the Internal Revenue Service in 2004 to facilitate tax reporting. Fraudulent. What are Amex Reason Codes? Every card network features its own list of chargeback reason codes. MasterCard - 4855 Goods or Services Not Provided. Reason codes for chargebacks are assigned by issuing banks at the time of their creation, depending on the nature of their occurrence. 100187 and ANSI X9. Merchant must provide proof of authorization. Whenever a chargeback is initiated, a code is passed through from the issuing bank that gives a reason for the dispute. Visa Chargeback Reason Codes; MasterCard. For your reference, here's a list of chargeback reason codes for Visa, Mastercard, Discover, and Amex. About Careers Contact. C18 – “No Show” or CARDeposit Cancelled. All the old reasons are. Adyen. This reason code indicates that the merchant processed a transaction using the wrong transaction code. Reason Code: Numeric: Code for the chargeback request (see below). 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 valid. 1st Chargeback. 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. Maestro. This process is called a chargeback. Ineligible Transaction (International only) 79. 1. 13. Each code begins with 'R' followed by a two digit number. Know these five rules to avoid payroll blunders triggering fines, penalties and IRS audits. Inform the cardholder when you issue the credit. For example, the merchant bills the cardholder in installments. 4837 — No Cardholder Authorization. Reason code 4853 falls under the broad category “Cardholder Dispute,” meaning the cardholder is saying something about the transaction is wrong. The transaction was recurring and the cardholder failed to meet the cancellation terms of the. Mastercard Authorization Chargeback Reason CodesChargeback reason code 11. 4: Other Fraud — Card Absent Environment: 10. Transaction unauthorized make up 30% is all. This return reason code may only be used to return XCK entries. 2: EMV Liability Shift Non-Counterfeit Fraud: 10. 1 falls under the “Authorization” category. When filing a chargeback, the issuing bank chooses a reason code from the list for the applicable card network. The charge you submitted did not receive a valid authorization approval code for the amount of the charge. Depending on the specific situation, Mastercard will match authorization response to one of the following merchant advice codes: Mastercard Response Code. Step 1: A purchase occurs. 7 (previously legacy reason code 85, condition 2) is part of the updated version reason codes that were phased out under the Visa Claims Resolution initiative. For defects or “Not as Described” cause codes, the 120. Pre-ArbitrationSteps to Prevention. About Careers Contact. Issuer Review; Allocation. Code. 77. MasterCard - 4863 Cardholder Will Not Recognize - Potential Fraud. You’re right. Chargeback reason code 4853 is used to designate “Cardholder Disputes,” or disputes involving transactions that a customer claims are incorrect in some way. When a cardholder has an issue with a transaction, they can contact their bank to dispute the charge. The shorthand description is “Merchandise/Service Not Received. This section contains a list of codes and messages that the system can return in the response message for a payment transaction. R03 Insufficient Reply. Each card company has its. Reason codes are very crucial to assist. 78. 1. If the dispute involves a non-Visa card, the dispute can be paused for up to 72 hours for the merchant to respond. S. Knowing these categories helps you further understand the chargeback and identify any problems within your payment solution, customer service, and sales processes. Every merchant on the MATCH list is assigned a reason code that explains why they’re on it: 01 Account Data Compromise; 02 Common Point of Purchase; 03 Laundering; 04 Excessive Chargebacks; 05. Recurring billing transactions are a frequent source of conflict, disputes, and. Reason Card Type Reason Code Description Merchant Action Code This Chargeback occurs due to a dispute relating to swiped transactions in which the Cardholder Discover UA11 Swiped Card Transaction – No Signature claims fraud and a signature was not obtained. Chargeback fees can start at US$25 and go up from there. Despite being the smallest of the four major credit card companies, the list of Discover chargeback reason codes is extensive. Chargeback. ” This reason code means that the cardholder is disputing a transaction by claiming that they never received the merchandise or services. S. This can provide important information to fight the dispute. Retry after 10 days. Use this resource to prevent and fight chargebacks with greater accuracy. About Visa chargeback reason codes. 1, which covers duplicate processing errors, and 12. There are two types of invalid chargebacks. There are two parts to this. This reason code is accompanied by a fraudulent reason code (UA). View the entire list or search for any chargeback reason code. 3. In the case where goods or services are to be delivered, Cardholders can disputePreventing Mastercard Reason Code 4837 Chargebacks. For each reason code, a definition is Chargeback Reason Codes. You processed a transaction with the counterfeit card on a terminal that wasn’t EMV-compliant rather than using a chip reading device that would have detected the fraud. 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. 3. The tables in the following subsections list the Chargeback reasons and information related to each Chargeback reason. If you want a more thorough explanation of a given reason code, you can find it in our reason code lookup tool. Again, banks should not really be using 4807. 1 – EMV Liability Shift Counterfeit Fraud. The Complete Chargeback Reason Codes List Visa Discover Mastercard American Express How to Use Chargeback Reason Codes 5 Things Merchants Should Understand About Chargeback. The Resource Online Reports User Guide (PDF) is a comprehensive manual for the Resource Online modules and reports. 4 Fraud – Card-Absent Environ. September 2011: 5. Customers cannot dispute pending credit card transactions; they have to wait for it to actually post to their account before they can initiate a dispute. Laundering: The merchant carried out transactions without a legitimate cardholder’s involvement. Except for Reason Code 75, the time limit is calculated from one of the following: Fraud chargeback reasons. may be reversed if merchant can provide proof that the correct fare was quoted to Cardholder; That<br />. 3 applies when a cardholder claims a charge—made in a card-present environment—was. 4846. Visa Merchant Official. Visa Merchant Official Documentation. This reason code is accompanied by a fraudulent reason code (UA). As a merchant, your focus should be on finding and retaining customers--not chargebacks. Some reason codes have modifiers that can change what evidence is required, or that require additional evidence in the chargeback response. This umbrella category can be applied to multiple specific situations, many of which had their own specific codes at one time. But in general, the most common reasons for chargebacks include the following: Fraud:. 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 valid. The merchant processed a transaction the cardholder wasn't a part of. Need more help? Download Reason Code Cheat Sheets Chargeback Reason Codes Discover Discover Chargeback Reason Codes The Discover chargeback reason. For a list of available reason codes, refer to Dispute reason codes. The most comprehensive guide to chargeback reason codes. The documentation required for a given chargeback will depend on the reason code. Chargeback Reason Code. Support; Login. g. Use this report to check the status of all chargebacks disputes and retrieval notifications within the report range. Chargeback Reason Code A numerical code that identifies the specific reason for a chargeback. To help merchants understand the underlying issue of each chargeback, American Express has created specific chargeback reason codes to help business owners interpret chargebacks. We assign the dispute to you for review in your Customer Area > Risk > Disputes, or send you a webhook. 7 • A transaction has been processed against a card number that is invalid because it does not exist, has not been assigned to an active cardholder account, or is otherwise incorrect. With so much to cover on chargeback reason codes, it’s hard to do it in a single blog post. Reason Code 05: Excessive Fraud: The merchant breached predetermined fraud-to-sales dollar volume thresholds. Use this guide as a resource to quickly identify a chargeback reason code from Mastercard. Currently, the MCC guidelines are maintained by the International Organization for Standardization. There are over 80 unique return codes, and each one represents a different type of return. Category. Visa Chargeback Reason Codes. The shorthand description is “Card Recovery Bulletin or Exception File. 4871 – Chip Liability Shift – Lost / Stolen / Never Received Issue. 1? Chargeback reason code 11. The Discover chargeback reason codes list is just as extensive as the other major US card schemes, despite being the youngest and smallest of the four. Always ask for authorization regardless of the transaction amount. 196 A transaction modifier (or modifier) represents specific circumstances associated with a card sale that change what compelling evidence is required to overturn the chargeback. Transaction was approved by the Issuer knowing that the authentication data failed verification and was not reliable.