The tickets were held at the box office, and no signature, swipe or imprint of the card was obtained when the tickets were released. C31 – Goods / Services Not As Described. Non-Consumer *2 Banking Days R22 Invalid Individual ID Number which the Originator was identified is not correct. )A chargeback reason code is just what it sounds like: A code indicating the reason a charge was disputed and a chargeback occurred. American Express has not received an expected credit (or partial credit) from the merchant. Click on the Chargeback Reason Code drop-down menu, the user can change the. Terms and conditions. C08 – Goods / Services Not Received or Only Partially Received. The EFTA was first enacted in 1978. Following the prompts that pop up, inform PayPal of every detail, and include the screenshots of the conversations you had with the scammer. 102. How do you use reason codes? A chargeback often has a reason code associated with it. A reason code is how banks categorize the reason for a chargeback. S. 1 Different workflows Disputes will be routed in two different workflows, called Allocation and Collaboration. There are two parts to this. Because you have not met Seller Protection performance requirements , the transaction will be reversed. Code 4807: Fraudulent Card-Present Transaction. If you get a chargeback,. UA06 Fraud – Chip and PIN Transaction. com Europe. Other Fraud—Card Absent Environment. That definitive guide included the chargeback reason codes from each of the quad larger card connectivity. 1 – Merchandise/Services Not Received; Mastercard Reason Code 4853 – Goods or Services Not as Described or Defective;. The goal is to reduce. Chargeback Reason Key by Network - 2023 Guide. An invalid chargeback is defined as an unnecessary or non-compliant payment dispute — a chargeback that shouldn’t have happened. Any time. R04 – Invalid account number. C05 = Goods/Services cancelled. This reason code means that the customer claims to have received goods or services that were damaged, defective, or otherwise unacceptably faulty. What Are Chargeback Reason Codes?. Goods / Services Damaged or Defective. Refocus on the Customer Experience. You’re fighting Chargebacks with everything you have. Online chargeback management with dispute manager. From there, a merchant can accept the chargeback or take action through the representment process to attempt to have the chargeback reversed. 16 Chargeback Reason Code 71 – Declined Authorization. Check the chargeback reason code. Category. documents before the deadline. This means that it will require merchants to provide evidence supporting their claim that a transaction was authorized by the cardholder. If more information is needed, you’ll either receive an Inquiry or a Chargeback. Note. 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. R03 – Unable to locate account or no account. Learn about the different chargeback reason codes and what they mean. It is important to identify and understand the root cause and take the necessary steps to dispute the chargeback. “ Chargeback Fraud Threat Growing as 65% of Chargebacks911’s Respondents Reported an Increase in 2022 “. What are chargeback reason codes? Issuers send chargebacks to the merchant’s acquiring bank with a reason code to communicate what caused it. Visa. Shopify Payments Chargeback Reason Code #5: Product Not Delivered. Also, remember that the time frame for your response includes any processing required by the acquirer. Written by Chargeback Gurus. The following chargeback reason codes are related to EMV: Visa: 10. The CB Reason represents the default reason for marking the transaction as a chargeback, but this default value can be changed. About American Express chargeback reason codes. resolved via the chargeback management process and within timeframes. With an eCommerce transaction, 3-D Secure technology works like an online PIN code. Typical chargeback reason codes are: DA: Disputed amounts. Despite concerns about increased friction, every merchant should deploy 3-D Secure at checkout. 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. 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. What Are the Different Chargeback Reason Codes? There are over 100 chargeback reason codes. Reason Code. With NOCs, ACH transactions will run successfully, but your. You’ll want to carefully review all chargeback reason codes so you are familiar with the very detailed regulations. Chargeback management describes all of the ways in which merchants can deal with fraud and disputes that result in payment reversals. The reason for the dispute was false or inaccurate. Learn the details, the cause, how to respond and how to prevent American Express Reason Code C02 Credit Not Processed . UA10 Request Transaction Receipt (swiped card transactions) UA11 Cardholder claims fraud (swiped transaction, no signature) Try Shopify free for 3 days, no credit card required. The reason is simple: unlike larger rivals like Visa and Mastercard, American Express serves as an issuing bank and provides payment-processing services to merchants. Written by Chargeback Gurus. A payment capture is the legally binding point at which transactional funds move from a cardholder's account into a merchant’s account. The Chargeback Reason is fraud-related and the Chargeback Notice identifies that one of the below chargeback codes (each, an "Acceptable Reason Code") applies: Acceptable Reason Codes. 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. R07 – Authorization revoked by customer. List of NACHA ACH Return Codes. Each card network maintains reason codes to cover all the disputes that qualify for. C02. This definitive guide includes the chargeback reason codes from each of the four major card networks. Reason codes are alphanumeric codes that provide the justification for granting a chargeback. 104. However, the disputes themselves are still categorized by the issuing bank based on the card network issuing the card. Reason Code C02 Category Cardmember Dispute Claim The cardholder claims the merchant was to issue a refund, but the amount hasn’t been credited to the card. Fine Period - month 1 1 Acquirer receives Excessive Fraud Activity Notification 2. R01 – Insufficient funds. Chargeback Reason Code . A recent Javelin study reports that fraud and chargeback management consumes. ”. ”. Solutions. A notification of change (NOC) occurs when the bank sending funds notifies the bank receiving funds that some portion of the once-valid information has changed. The case is now closed. Chargeback. Additionally, Amex uses a fifth "Miscellaneous" category. But cardholders and merchants have different time limits. These are only a handful of common Visa chargeback reason codes. 3 falls under the “Consumer Disputes” category. Fortunately, chargeback reason codes make it easy for merchants to understand the cause of chargebacks. 2, below. Spot these types of chargebacks using. CODE DESCRIPTION A01 CHARGE EXCEEDS AUTHORIZATION AMOUNT A02 NO VALID. UA05 Fraud – Chip Counterfeit Transaction. Get your complete guide to the new Visa reason codes, including all the detailed information, chargeback time limits, and other important information you need. Chargeback reason American Express reason code Discover reason code Mastercard reason code Visa reason code; Cancelled subscription: C28: NF: 4841: 13. Compelling evidence for fraud chargeback reason codes: • Proof that Verified by Visa was utilized by the merchant and 3DS authentication was obtained (ECI 5/6, UCF 1/2) for the disputed electronic commerce transaction. 10. A chargeback reason code is a 2-to-4-digit alphanumeric code provided by the issuing bank involved in a chargeback, which is meant to identify the reason for the dispute. What is a chargeback? Learn about chargebacks and find valuable tips and information on retrieval requests and prevention at WellsFargo. There are over 80 unique return codes, and each one represents a different type of return. ”. Transaction not authorised – the Card Issuing Company is stating that an authorisation code was required for the transaction, but it was not obtained. Solutions. Here are a few high-level examples. Code description a01 charge exceeds authorization. Once you hear from us, you’ll . 1: goods not received. Goods and services not as described or cardholder received defective goods or services 3. 5%. Write Off. have 20 days to respond. In addition to Reason Codes changing as a result of the VCR program, each Reason Code is now associated with a new Reason Category. CODE: DESCRIPTION: A01: Charge Amount Exceeds Authorization Amount: A02: No Valid Authorization: A08: Authorization Approval Expired: C02: Credit not Processed: C04:. Knowing these codes is vital for merchants to understand the reason for chargebacks and how to manage them. WEX began issuing chip cards in Q4, 2020. Visa groups its chargeback codes into four. 6: Duplicate processing/Paid by other means. Reasons a customer may initiate a chargeback include: Ordering a product and not receiving it. C02. When a card is declined, it is in your best interest to accept that answer and either cancel the transaction or ask for a different form of payment. 4 spec (Section 8. Description. Category. 7 RBI Penalty (Reason Code - 1065/ AC & AT RBI Compensation is settled today on manual basis RBI Compensation is completely automated. 800. Mastercard also considers some chargeback reason codes to be indisputable. FAQ: What remains Chargeback Representment? TIPS. Vantage HouseChargeback Reason Codes. A02 = No valid authorisation. Amex: A02: No Authorization/Invalid Approval Code: 120: Authorization: Amex: A08: Authorization Approval Code Expired: 120: Authorization: Amex: C02: Credit Not Processed: 120: Cardholder. For example, Visa Chargeback reason code 83 is now VCR reason code 10. The shorthand description is “Goods/Services Not as Described. It’s a 3-digit alphanumeric shorthand attached to a returned ACH transaction explaining why an ACH transfer is reversed. Visa assesses the following fines, as specified in the table below, to a U. The aim of CE 3. 800. When a cardholder disputes a charge, their issuing bank will review the transaction and decide if. When customers dispute charges to their accounts, you can incur chargebacks. PCI DSS v3. VCR Dispute Reason Code 10. Fight; Prevent;. There are plenty of reasons as to why this would happen, hence the many. 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. ” Here the cardholder is. Batch chargeback process. But, it could be up to 540 days, in some situations. AMEX C02 Credit not Processed Cancelled/Returned by Cardholder YES YESAmerican Express chargeback reason code C28 falls under the “Card Member Disputes” category. Question: Where can I find a complete listing of Check 21 return codes? Answer: You can find the current official listing on page 38 of FRB Services' "Image Cash Letter Customer Documentation" at. If one of your customers issues a chargeback through their bank, you have the chance to dispute it and win back the funds. ”. Reason codes are alphanumeric codes that provide the justification for granting a chargeback. There are over 80 unique return codes, each representing a different return type. CARDeposit is a long-running American Express program. • Clarified support required to request a Chargeback Reversal for Credit not processed (ISO 4513) / Goods/ services returned or refused (C04). Reason Code 03. M01 Chargeback Authorization. The actual underlying cause of this chargeback is. Discover is a credit. Specify the invoice date and net due date to assign to chargebacks. People request chargebacks for all kinds of reasons—some sinister (like friendly fraud), some because the item they bought never arrived. Merchants who believe they have received an invalid chargeback under reason code 11. Acquirer after the 3-month Workout Period, as described in “Excessive Fraud Activity Notification - U. Chargeback Reason Codes and Descriptions. Poor order fulfillment: Late order fulfillment or billing for an order before shipping the goods. 4 (Other Fraud - Card Absent Environment), which is under the fraud category. 1. Expedited Dispute Resolution forms will not be allowed. 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—QuestionableOlder time limits for disputes vary based on reason code; in many cases buyers have 120 days after a purchase to file a chargeback. The reason code may not reflect the true reason for the chargeback. 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. Mastercard Chargeback Reason Code 71: Disputed Amount. Reason Code 53 chargeback can be re-presented in one of the following circumstances: chargeback is invalid or a credit was processed. Issuers will not have the ability to submit lost/stolen fraud chargebacks for chip-on-chip (contact or contactless) AFD transactions. It is associated with a chargeback reason code, and it is specific per Card Scheme. What you need to do in such a case is to dispute the transaction and request a chargeback from American Express. Once filed, the merchant generally has 20 days to respond to the chargeback. ”. CB CD (chargeback reason code) Enter the code that identifies the reason that a chargeback was generated for an invoice during receipt entry. If one member believed the other violated a Visa rule when handling a chargeback, they filed a pre-compliance chargeback for compensation. And final case was closed with this specs: Chargeback Reason Code: M38. Most reason codes apply to any merchant, regardless of what’s being sold. 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. Less than 20% of merchants noted a slight decline in Visa chargebacks after VCR, while over 55% reported no decline in chargebacks. MasterCard: Reason Code 4859 Services not rendered. However, for simplification, they are divided into eight categories: Fraudulent activity; Authorization issues;. Discover: Reason Code 4755 Non-receipt of goods or services. It’s typical to see fraud chargebacks roll in 2-3 months after the initial charges took place. Values are: Blank: Use the receipt G/L date. View the entire list or search for any chargeback reason code. Improve chargeback-resolution time. Please refer NPCI OC- 93 for details. The sales receipt and/or date and amount of the authorization if other than the transaction date. To help merchants understand the underlying issue of each chargeback, American Express has created specific chargeback reason codes to help business owners interpret chargebacks. Reason codes are very crucial to assist. Code description a01 charge exceeds authorization. To subscribe and learn more about the free online chargeback management system, or contact Chase Paymentech Client Services at 1. Discover. Dubbed "Compelling Evidence 3. Please refer NPCI OC- 93 for details. The cardholder claims they were charged multiple times for a single transaction. Managing Reason Code 62 chargebacks. manual processing by uploading chargeback documents instantly. Mastercard: Reason Code 4859 Service not rendered. This chargeback reason code was retired by Visa in April 2018. 2 – EMV Liability Shift Non-Counterfeit Fraud. Get your complete guide to the new Visa reason codes, including all the detailed information, chargeback time limits, and other important information you need. There are 151 chargeback reason codes across the four major card networks. 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. Amex chargeback reason code C02 is applied when issuing bank gets a notice from the cardholder that merchandise was returned, but merchant hasn’t refunded, or credit hasn’t. At Visa they used to receive reason code 98. Everyone has had the experience of buying. You can learn more about each one by visiting the Mastercard Chargeback Guide. This reason code is used when a cardholder claims that they canceled a recurring billing transaction but were still charged. Chargeback time frames - A specific period during which a chargeback can be raised. Here are some chargeback reason codes by card type. This definitive guide includes that chargeback reason colors from each of the four major card networks. Answered by: John Burnett. Click below to request a free demonstration, and we’ll create a customized report showing exactly how much ROI you can expect. About American Express chargeback reason codes. Versions Affected: v5, v6. Categories For Reason Codes. 1. Removed these Discover Chargeback Codes: AL, CA, IC, IS, NC, SV, U03, UNR. RuPay has categorized all the chargeback reason codes into 5 different groups as stated below. Reason codes are alphanumeric codes that provide the justification for granting a 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. 3 falls under the “Authorization” category. Required Authorization Not Obtained. These symbols stand for reasons why a financial institution may file a credit card chargeback from their client’s name. A chargeback occurs when a charge on a customer’s account is reversed. Mistake 7. The agency must provide this documentation to Vantiv (via mail, fax, online/scanning) within 30 calendar days after the report date on the Visa/MasterCard. The good news is that most of these invalid claims are disputable by the merchant. 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). chargeback: The buyer filed a chargeback with the credit card issuer. Each bank card network has its owner list of reason codes banks must prefer from. 15, 2021. In simple terms, Mastercard Chargeback Reason Code 4859 — No Show/Addendum/ATM Dispute refers to situations where a customer claims the services purchased from a merchant were not fulfilled. If the policy is on the front of the receipt, it should be near the customer signature line. Chargeback Reason Code Quick Reference Guide. 3. 10. The use of this reason code indicates that the cardholder does not recognize the transaction as it appears on their bank statement. 105. Photos, signatures, emails and other evidence that will help build your case. 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. Chargeback Reason Codes by Network - 2023 Guide. . Also, Ethoca Alerts only notify you of chargebacks that occur within the alert. Fraud filters are tools you can add to your e-commerce website to prevent potentially fraudulent orders from processing in your. Discover uses unique codes to explain those reasons to merchants. The way you manage chargebacks depends on your account setup. We used 3DS to authenticate this purchase and obtained AVS and CVV match codes at authorization (page 2). For card-present transactions, clearly disclose the cancellation policy on the transaction receipt. C04 — Goods/Services Returned or Refused. In this instance, the cardholder claims a misrepresentation of the order they received, such as a defect, damage, counterfeit, or incomplete merchandise. Reason Code 12. M49 Vehicle Rental – Theft or Loss of Use. 4 Ways to Fight Chargebacks: Gather compelling evidence. As part of its move to support card-not-present merchants and airlines, Visa made changes to the compelling evidence requirements for four key reason codes: Reason Code 30: Services Not Provided or Merchandise Not Received. Chargeback reason code description – An explanation which provides the reason of raising a chargeback by the cardholder. 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. After the introduction of Visa Claims Resolution, Visa set the goal of resolving all disputes in less than 31 days. It’s typical to see fraud chargebacks roll in 2-3 months after the initial charges took place. Reason Code 53: Not as Described or Defective Merchandise. About American Express chargeback reason codes. EMV Liability Shift Non-Counterfeit Fraud. Clerical C02 – Credit Not Processed. Credit not processed. The Time Frame charts in this guide indicate the reason codes, allowable time frames for chargeback processing and type. 0" or CE3. US $10,000. R01 – Insufficient funds. chargeback_settlement: The gross shows negative if the chargeback was resolved in the buyer's favor, and the funds return to the buyer. Using the same link provided above, contact PayPal to report the scam. Not remembering the original purchase. American Express chargeback reason code C02 falls under the “Card Member Disputes” category. Date Option. The issuing bank reviews the information. This scenario applies when the arbitration was raised by either the. Enter the code that identifies the reason that a chargeback was generated for an invoice during receipt entry. A customer payment dispute, more commonly called a “chargeback,” happens when a cardholder disputes (challenges) a payment card transaction and asks the card-issuing bank to reverse it. Amex continues to operate as both a card network and a bank. The three-character code notes the specific reason. Thus, a reason code of one network does not necessarily match with a reason code of another network. Visa, Mastercard, and other leading card companies each have their own respective set of codes for this purpose. Here’s a look at the reason codes for the same scenario from the major credit card companies: Visa: Reason Code 30 Services not provided or merchandise not received. Reason codes are alphanumeric codes that provide the justification for granting a chargeback. Chargeback reason code 4853 can be used to indicate disputes where the cardholder simply claims that the merchant never delivered on what was promised. This code is used when a cardholder claims that a fraudulent transaction occurred in a face-to-face environment, such as a retail store. Chargeback Reason Code . A chargeback reason code is a 2-to-4-digit alphanumeric code given by the issuing bank tangled in a chargeback. 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. American Express Chargeback Reason Codes. 2. Visa. While the updates have been published, they do not go into effect until Oct. Common reason codes Mastercard. C02 Incorrect routing/transit number (visible in the SSR eCheck NOC report). ”. EMV Liability Shift Counterfeit Fraud. For example, suppose a cardholder filed a case about an order processing issue, and you disputed the chargeback. AMEX CODE A08 (Chargeback) CATEGORY Authorization AMEX CODE C02 (Chargeback) CATEGORY Authorization DESCRIPTION Authorization Approval. Each code refers to one of the specific rationales that card networks consider legitimate reasons for a customer dispute. FAQ: What is Chargeback Representment? TIPS. Scenario 2. A Product Not Delivered chargeback means the customer believes they did not receive the goods or services they purchased. Time limits vary by card network and reason code, though, so you should look into the specific terms tied to the reason code. 41 4841 Cancelled Recurring Transaction 53 4853 Not as Described or Defective Merchandise 57 4840 Fraudulent Multiple Transactions 62 4870/4871 Counterfeit Transaction Being familiar with the potential chargeback reason codes gives recurring6. Please note that the most common Chargeback reason code for Allocation disputes is 10. Updated August 23, 2023. This does not include an AuthorizationIf the dispute involves a non-Visa card, the dispute can be paused for up to 72 hours for the merchant to respond. Availability Date: October 24th, 2021. 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. 2. Card Type Reason Code Reason Text Chargeback Category Preventable Reversible VISA 30 Services Not Provided or. Q. You should be. We want to clarify: this doesn’t imply that a transaction ID can reliably prevent chargebacks and fraud. They are provided to the merchant by the issuing bank, and they help all involved parties categorize disputes and determine next steps. Question: How soon after I submit a pr enotification can I submit a live entry (debit or credit)? These chargebacks occur to resolve chargeback-related disputes between network members. For this reason, you must document all debit and credit card transactions and adhere to the strict rules set by the card networks. 3. Check out these codes under their fraud category. 5158. R05 – Unauthorized debit to consumer account using Corporate SEC code. Chapter 6 Pre-Arbitration and Arbitration Case Filing-For Chargebacks Initiated On or After 17 July 2020 > Time Frames and Requirements > Dual Message System Pre-Arbitration andVisa reason code 53 is used for Chargeback for Defective/Not as Described, and reason code 85 is used for Credit Not Processed. The terminal action codes are in Table 122 of the 4. 0. Provide Explanation Give a clear overview of the documents you’re submitting, address the specific dispute reason, provide any changes made to the original purchase/agreement and explain the steps you’ve taken to resolve the dispute. This Return Reason Code is generally used on CIE transactions. This return reason code may only be used to return XCK entries. This involves the cardholder’s bank serving as a mediator, rather than eBay. Identity theft and account breaches in which the merchant is the victim, for example, fall under reason codes 01, 02, and 14. 4 applies to eCommerce, whereas code 10. It also applies when a customer claims they tried to cancel. • Updated support documentation for Paid Through Other Means (ISO 4515 / C14). UA02 Fraud – Card Not Present Transaction. 4. Chargeback Reason Codes / American Express / C02 – Credit Not Processed Reason Code C02 Category Cardmember Disputes DESCRIPTION Why did I receive this. These codes are broken down into five different category. To help you identify what happened, look up the code you received for the dispute below. Amex Dispute Codes Learn about the different chargeback reason codes and what they mean. Spot these types of chargebacks using the below reason codes. F02. eCommerce. Dispute Best Practices Guide Overview This guide includes:Here’s a comprehensive list of Mastercard chargeback reason codes that you might see on your screen: 4807: Warning Bulletin File. You can learn more about each one by visiting the Mastercard Chargeback Guide. This reason code means that the cardholder claims that they were billed for lodging services that they had already canceled. non_receipt: The buyer claims they didn't get the goods or services. Chargeback reason code. Dispute Condition Description Dispute Condition Code Category Code Category Code Description; EMV Liability Shift: 10. 7 RBI Penalty (Reason Code - 1065/ AC & AT RBI Compensation is settled today on manual basis RBI Compensation is completely automated. Summary of Changes, 13 December 2018Amazon Pay will send you a notification email when you get a chargeback, which will include details such as the order number and reason code. The cardholder was expecting a full or partial credit from the merchant that. This extra step can be frustrating for Card Members and lead to lost sales. Credit card chargeback reason code: Type: Varchar; Unique: No; Blanks: Yes; Max length: 64 characters; Unique identifier which distinguishes the nature/reason of credit card chargeback reported. Cybersource transaction responses will contain either reason codes or reply flags, depending upon the integration method employed. Dec 6, 2021 — Betty's bank issued the chargeback for $9. The following are some examples: Visa Reason Code 13. And according. C02 – Credit Not Processed. FR2. Or contact your account manager. Get definitive guide includes the chargeback reason codes from all of the to majority card networks. Every of the major card brands, the inclusion of Visa, MasterCard, and others, has its acknowledged system of reason codes. Receive the Chargeback. Additionally, Amex uses a fifth "Miscellaneous" category. Braintree Support Articles. Read on for the complete guide to dealing with chargebacks. It’s a 3-digit alphanumeric shorthand attached to a returned ACH transaction explaining why an ACH transfer is reversed.