Chargeback reason codes have changed. 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. Each of the major card brands, including Visa, Mastercard, and others, have their own system of reason codes. “American Express Chargeback Reason Codes | Sift”. 6. 18167 US Highway 19 N Clearwater, FL 33764 877. 26% - the number of chargebacks that result from undelivered orders. Chargebacks typically occur when a customer is dissatisfied with a purchase and requests a refund from their card issuer. For example, Visa reason code 83 is one of the reason codes with several modifiers with which it’s associated. Every of the major card brands, the inclusion of Visa, MasterCard, and others, has its acknowledged system of reason codes. Each card. These codes are broken down into five different category. Code Reason (for Visa) 10. Reason code 12. Please refer to chapter 5 for more information. 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. In this instance, the cardholder claims a misrepresentation of the order they received, such as a defect, damage, counterfeit, or incomplete merchandise. Processing Errors involve chargeback and disputes revolving around processing issues, late presentment, credit processed as charge, invalid card numbers, no show errors, incorrect charge amounts. ”. • Chargeback – a message sent via the card brand network to debit the merchant and credit the issuer for a cardholder dispute. Code 4807: Fraudulent Card-Present Transaction. There are many reasons why a chargeback occurs, with over 100 reason codes listed across the major credit card brands. Technical. As we touched on earlier, chargebacks can happen due to technical errors. Protect stored cardholder data. Last updated: October 15, 2019 . Consider Deadlines. This may be done by either the merchant or the issuing bank. [noun]/* kə • stə • mər • di • spyo͞ot/. 1001 - Cardholder does not recognize the transaction. 5%. This network is used to provide chargeback alerts that notify participating merchants before a chargeback occurs, giving them 72 hours to resolve the issue. 1 chargeback: 1. Then they instruct the merchant’s acquiring bank to reverse the transaction and withdraw the funds from the merchant account. The chargeback process can last from one month to six months. ”. Chargeback reason code 13. 5 Visa Fraud Monitoring Program. Reason Code. Cause. 3: Goods or services were not as described: C31: RM: 13. 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. The merchant charged the cardholder before shipping or delivery. Get definitive guide includes the chargeback reason codes from all of the to majority card networks. The Chargeback Reason Codes specifies the fraud, expired card, defective merchandise, differ amount and many others. ” This code indicates is the cardholder requirements the merchant did not release the goods or services the paid for. 04/09/14 Discover: DC, U02. You’ll put that reason code, the transaction amount and authorization number, and state that the. Then, apply calculations and chart your results. Visa chargeback reason code 75 is filed as an honest mistake. Check the chargeback reason code. Step 2: Customer initiates the chargeback. We know how to speak with bankers using the professional jargon they use. com Europe. When filing a chargeback,. The Federal Reserve Banks use Return Reason Code 6 for items drawn on a retired routing number and Return Reason Code X is used for paper deposited return items converted to image by the Federal Reserve Banks. pdf), Text File (. . 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. Availability Date: October 24th, 2021. Inform your acquirer of the date that the credit was issued. 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. 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 reason code is an alphanumeric code that explains the reason behind the dispute. In some cases, Discover notifies merchants of pending chargebacks. chargeback real reason. 4: Other Fraud–Card-Absent Environment. The merchant did not receive any returned merchandise. Chargebacks from all three categories can show . ” This code shown that the cardholder argues the merchant did not deliver the articles or services they paid for. The chargeback period, or the time limit for filing a chargeback, depends on the card scheme and the chargeback reason code. Once you know why a chargeback happened, you can start building a case to address the claims that were made. Forensic Cryptocurrency Investigation Services. Poor order shipping: Not shipping goods or delivering services as promised, shipping to the wrong address, or not making the goods available. Discover uses unique codes to explain those reasons to merchants. 4. 00 EUR as a Withdrawal fee. 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. 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. Based on the information provided, Paymentology will investigate the transaction being disputed. The claim often, but not always, involves automated teller machines (ATMs). To subscribe and learn more about the free online chargeback management system, or contact Chase Paymentech Client Services at 1. A chargeback is when a credit card issuer returns funds to a cardholder who disputes a transaction on their card. 10. Chargeback Reason Codes Reason code are the first key to understanding the root causes . What motives code 4855 chargebacks? Is theory, merchants shouldn't receive chargebacks with reason encipher 4855 anymore. Prevention strategy: Implement EMV chip card technology to reduce the risk of fraudulent card-present transactions. Discover - RG Non-Receipt of Goods, Services, or Cash. Chargebacks Tips & Statistics. Administrative returns (R02, R03, R04): 3%. Visa Chargeback Reason Codes. However, the issuer must wait at least 15 days after the transaction processing date to initiate the chargeback. There are several types of chargeback reason codes that can be used, including the following: 1. Disputes & Chargebacks. 3: Not as described or defective merchandise: VCR Dispute Reason Code 13. For example, the dispute reason “Cardholder Does Not Recognize” is denoted under the Discover reason codes system as “AA. United States. While there are reason codes related to processing errors that cause disputes, the majority of reason codes result from a cardholder disputing a charge. When a cardholder files a chargeback, the issuer attaches a reason code to the transaction. The shorthand featured is “Non-Receipt of Wares, Services, or Cash. 103. Additionally, one clearing transaction. 3. 3. Not only that, but a higher win rate may incentivize banks to conduct greater due diligence before filing a chargeback in the future. A few other common reason codes for Visa include late presentment; non-receipt of cash from ATM; invalid data; EMV liability shift non-counterfeit fraud; no authorization; canceled merchandise and fraud related to stolen cards on the card recovery bulletin. 1003 - Transaction Supporting Document (TSD) needed. As we touched on earlier, chargebacks can happen due to technical errors. 265. This may include: Transaction receipts; Merchant credentials; Customer authorizationChargeback 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—QuestionableThe Takeaway. ) A no-nonsense summary of evidence that proves transaction is legit. The shorthand description is “Goods/Services Not as Described. the transaction adjustment date for an ATM cash disbursement or PIN-authenticated debit transaction. Take the time to note the following dispute reason codes for Visa. The most popular type of disputes of the chargeback category. Then, apply calculations and chart your results. Reason Code. Retrieve thine complete guide to the new Visa reason codes, including all the elaborate information, chargeback time limitation, and other important information to need. 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. All cardholder data must be encrypted, truncated, or tokenized; account numbers can only be partially displayed. The claim often, but not always, involves automated teller machines (ATMs). • Chargeback – a message sent via the card brand network to debit the merchant and credit the issuer for a cardholder dispute. Examples of compelling evidence that you may submit in response to a chargeback with this reason code include: Proof that the cardholder approved the quality of goods or services. The customer regrets their purchase. Versions Affected: v5,. Encrypt transmission of cardholder data. Products. Reasons a customer may initiate a chargeback include: Ordering a product and not receiving it. The terminal action codes are in Table 122 of the 4. Industry Trends. The number of in-person fraud attacks attempted in the UK has dropped by 69% since 2004. A chargeback filed due to buyer’s remorse is a prime case of friendly fraud; a situation where a customer side-steps a return policy in order to gain an illegitimate refund. A dispute often has a reason code associated with it. In most cases, you will have 20-45 days in which to respond to a chargeback. The card not present chargeback come in as codes 10. There are over 80 unique return codes, each representing a different return type. Each chargeback received a numeric code which is known as the “reason code”. QUE: Quebec tax. MasterCard and Visa each have their own chargeback codes. ” Diese code indicates that the cardholder claims the merchant did none drop the goods or services handful paid for. 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. In the case of friendly fraud, that reason could be completely invalid and. 102. For Visa: Reason Code 30; For MasterCard: Reason Code 4855; For Discover: Reason Code; For American Express: Reason Code 155. 104. The event group portion of the T-code is sufficient for reconciliation and report parsing. Issued the credit but did not deposit it with its processing bank in time for it to appear on the cardholder’s next statement. And we know banks and credit cards. S. Chargebacks911 offers the most comprehensive chargeback management system available, backed by the industry's only performance-based ROI guarantee. 9% and 100 chargebacks per month], you can get into the excessive chargeback program, which can cause penalties of up to $50 per chargeback. 4. It is associated with a chargeback reason code, and it is specific per Card Scheme. A reason code is how banks categorize the reason for a chargeback. The only viable strategy for preventing chargebacks having to do with processing errors is training staff on proper card acceptance procedures. 3. R03 Insufficient Reply. 4. In some cases, errors can be resolved and reversed, but there is no equivalent to chargeback representment when it comes to ACH. 1, which covers duplicate processing errors, and 12. 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. 1 – Merchandise/Services Not Received; Mastercard Reason Code 4853 – Goods or Services Not as Described or Defective; American Express Reason Code C05 – Goods/Services Canceled; However, some reason codes are highly specific and apply only to a certain type of product, such as: Visa Reason Code 13. ), confirming that the cardholder has enough funds or available credit to cover a transaction they're making with their card. Prevention strategy: Implement EMV chip card technology to reduce the risk of fraudulent card-present transactions. Card networks allow cardholders to file disputes for various reasons identified by chargeback reason codes that don't paint the full picture. Breakdown your chargeback data by some of the variables you collected in step #2: marketing source, product type, issuer BIN, customer’s country, reason. Reason codes are alphanumeric strings of text provided in a chargeback notification as a means of explaining the cause for the dispute. 1. Mastercard created Mastercom to make the chargeback process run more smoothly and allow merchants to respond to certain inquiries, called retrieval requests, which precede. Values are: Blank: Use the draft G/L date. Clearly differentiate between card-present and card-absent transactions by noting mail, phone, and internet. 2. At their core, false declines are legitimate transactions that get blocked on the suspicion of fraud without any fraud actually occurring. e. Mastercard: Reason Code 4859 Service not rendered. They help categorize cardholder disputes and determine next steps, and they vary by card network. Discover Chargeback Reason Code RG: Non-Receipt of Goods or Services Description The issuing bank received a claim from the cardholder that merchandise or services. Collect Compelling Evidence. Category. The main chargeback reasons look like this: Malicious fraud. 0. Reference these when rebutting cardholder disputes at your small business. ”. Technical. Reason codes are alphanumeric codes that provide the justification for granting a chargeback. If a delivery date was not specified, the chargeback must be initiated within 120 days of the transaction processing date. Merchants can fight back against invalid chargeback debit card claims through representment. Always ask for authorization regardless of the transaction amount. 2 Authorization Your for Original. Chargeback time frames - A specific period during which a chargeback can be raised. So the company has more incentive to side with customer during cardholder disputes. Major card networks including Visa,. Unfortunately, a variety of factors—including the rapid growth of eCommerce and online fraud—rendered the reason code system unreliable. Managing Reason Code 41 chargebacks. In-Depth Analytics Recognize the really reasons to transaction disputes and solve issues at their source. Visa chargeback reason codes. Code 4807: Fraudulent Card-Present Transaction. It gets worse. We’ll Handle the Chargebacks. Protect cardholder data. Chargebacks typically occur when a customer is dissatisfied with a purchase and requests a refund from their card issuer. Retrieval Request/ Copy request Reason Codes. 1 EMV Liability Shift 10. Like traditional chargeback reason codes, an ACH return code indicates why the RDFI initiated the transaction reversal request. Reason codes are alphanumeric codes that provide the justification for granting a chargeback. Each of the major card brands, including Visa,. Others require banks to wait for a certain period before they can issue a chargeback. To track discounts by tax rate area, use discount reason codes that are the same as the tax rate area code. Sign. When the customer disputes a charge, the issuing bank then begins the chargeback process. The shorthand description is “Non-Receipt of Goods, Services, or Cash. & Fighting Chargebacks? demo experience. 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. The shorthand description is “Invalid Card Number. There are several types of chargeback reason codes that can be used, including the following: 1. That suggests that in the times when merchants. This code tells you why the customer or bank initiated the dispute. Discover chargeback reason codes are divided into three categories: service disputes, processing errors, and fraud. Chargeback reason codes. 08. Issuers must not initiate a chargeback for magnetic-stripe (POS Entry Mode value of 90 or 02) transactions on non-chip enabled cards. When a customer who's enrolled with 3-D Secure from their bank initiates a purchase, the tool will deploy during the checkout. 10. 4 spec (Section 8. 3. 6). The actual underlying cause of this chargeback is. A reason code is an alphanumeric string of text an issuing bank attaches to a chargeback dispute to explain its cause. A chargeback is when a credit card issuer returns funds to a cardholder who disputes a transaction on their card. This means that it will require merchants to provide evidence supporting their claim that a transaction was authorized by the cardholder. compliance process depending on whether a chargeback right exists. There are two parts to this. Visa Chargeback Codes — removed retired codes. To help simplify things, we’ve compiled a list of chargeback codes used by the four major card networks: Visa, Mastercard, American Express, and Discover. This list was generated 5/4/2022. Here is an overview of how the general chargeback process works with most major processors (we’ll get into how Square does it down below) Step 1: A purchase occurs. ’A transaction event code, or T-code, is a five-character alphanumeric string, such as T0001. During this process, the representative of the institution examines the reasons’ list. 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. 2: Cancelled recurring transaction: VCR Dispute Reason Code 13. The post below contains legacy information pertaining to the formerly-common Visa chargeback reason code 75. Find - RG Non-Receipt of Goods, Company, or Coin h. This category of fraudulent chargeback is represented with the following reason codes: AMEX - C08 Goods/Services Not Received or Only Partially Received. Although, this fraud detection tool works after the transaction has come completed. 2 Compliance CasesChargeback code vs. Written by Chargeback Gurus. To avoid this, issuers can identify their chip cards using the Service Code field with a first byte value of 2 or 6. Here’s a comprehensive list of Mastercard chargeback reason codes that you might see on your screen: 4807: Warning Bulletin File. The most common causes of this chargeback reason code are when services are not provided, merchandise is not shipped, transaction is billed. Updated these Discover Chargeback Codes: RG, RM, U01, U02. 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. 4846. Examples of discount reason codes are: ADJ: Adjusted discount. When customers are unhappy with a transaction but cannot resolve. Fraudulent Activity. The following are reason codes for the same scenario: Visa: Reason Code 30 Services not provided or merchandise not received. It was originally just one facet of legacy reason code 81. Credit card chargeback reason codes broken down by Mastercard, Discover and American Express Visa chargeback reason codes. 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. Receiving a damaged product. We are writing to dispute the $1980 chargeback with the chargeback reason code 30 Services Not Provided or Merchandise Not Received. 2. As a merchant, your focus should be on finding and retaining customers--not chargebacks. 4808: This code can refer to: Account Number Not on File. Samples of successful chargeback objection letters and guidelines for merchants upon methods to write see highly rebuttal letters and win more disputes. But cardholders and merchants have different time limits. Once you receive this notification, you have 11 days to submit a response. Batch chargeback process. Goods / Services Damaged or Defective. 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. 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. First Chargeback failed: Reason Code 4837 not allowed under “issuer auths, they own” chargeback rules: 100001: 400: INVALID_REQUEST: First Chargeback failed: Reason Code 4863 not allowed for authorized CAT transactions: 100001: 400: INVALID_REQUEST: First Chargeback failed: Reason Code 4863 not allowed for. Code. 3 falls under the “Consumer Disputes” category. Every chargeback comes with a reason code. e. “Our broad international experience with the banking industry, our familiarity with each and every credit card network’s unique chargeback guidelines, our proprietary databases, and our deployment of. Storing fulfillment costs, prevent chargebacks, and improve customer satisfaction. Either the acquiring or issuing bank could initiate the. Reason Code Reason Code North-America Reason. Issuers must not initiate a chargeback for magnetic-stripe (POS Entry Mode value of 90 or 02) transactions on non-chip enabled cards. Reason codes differ by card brand (Visa, Mastercard); a complete list can be found here. . Chargeback reason codes. Card Type Reason Code Reason Text Chargeback Category Preventable Reversible VISA 30 Services Not Provided or Merchandise Not Received Non-Receipt of Goods or Services NO YES VISA 41 Canceled Recurring Transaction Cancelled/Returned by CardholderList of Chargeback Reason Codes. 2 – EMV Liability Shift Non-Counterfeit Fraud. However, the typically cause of this chargeback would have been non-receipt of goods either services is the. While there are many chargeback reason codes, all chargebacks fall into one of three categories:Updated August 23, 2023. Ethoca alerts can prevent chargebacks before they hit your bank account. Chargeback code vs. Other Fraud—Card Absent Environment. You should be. Specify the invoice date and net due date to assign to chargebacks. The card issuer initiates the chargeback process to recover the funds from the merchant’s bank. 4. The reason_description field lists the chargeback reason. Fraud UA01 Fraud – Card Present Transaction UA02 Fraud – Card Not Present Transaction UA05 Fraud – Chip Counterfeit Transaction UA06 Fraud – Chip and PIN Transaction UA10 Request Transaction Receipt (swiped card transactions) UA11 Cardholder claims fraud (swiped transaction, no signature) Authorization NA No Authorization DA Declined Authorization Accessed October 17, 2022. The reason code may not necessarily reflect the actual reason for the chargeback, but you ought to respond to it based on the provided chargeback code. Every chargeback is filed with a reason code that identifies the given reason for the dispute. 6: Credit not. manual processing by uploading chargeback documents instantly. 100- 140 standards- , and will be removed in future releases. First, after a cardholder contacts the bank to inquire about a transaction, the bank uses VROL to pull detailed transaction information. According to our research, friendly fraud will represent six out of every ten chargebacks filed in North America by 2023. Join; Contact; 866-999-3758 Schedule my demo Solutions. The American Express chargeback process begins with Amex issuing a chargeback, along with a reason code to explain the dispute to the merchant. In both instances if the Merchant wishes to withdraw from an arbitration case, Visa will charge the amount of 500. In fact, 91. Each bank card network has its owner list of reason codes banks must prefer from. See full list on chargebackgurus. As we touched on earlier, chargebacks can happen due to technical errors. 6. All ACH return reason codes consist of the letter “R” followed by two. In that way, winning one dispute may help prevent the next chargeback to come after it. The event group portion of the T-code is sufficient for reconciliation and report parsing. The merchandise was as described or was not defective. The chargeback is ordered by the bank that issued the consumer's payment card. Below is a list of Mastercard chargeback codes used in eCommerce. A transaction event code, or T-code, is a five-character alphanumeric string, such as T0001. In this case, the customer files for the pre-compliance chargeback (aka reason code 98). At this stage of the chargeback process, the issuing bank assigns a numeric reason code for the chargeback, then electronically transmits all the chargeback information to your acquirer. The first thing you should do when you receive a chargeback notification is to check the reason code that the card issuer assigns to the dispute. Typical chargeback reason codes are: DA: Disputed amounts DD: Unearned (disallowed) discount amount Note. Transaction not authorised – the Card Issuing Company is stating that an authorisation code was required for the transaction, but it was not obtained. In all, there are four major categories of Chargeback Reason Codes. Visa ® has launched the CE 3. False Declines and False Positives: Issues arising from improper transaction reviews. The cardholder may be the customer or the someone who lent their card to a friend or relative. With that said, you still need to understand the reason codes with any chargebacks from Amex. 800. 4 United Pay Retrieval Reason Code. Identity theft and account breaches in which the merchant is the victim, for example, fall under reason codes 01, 02, and 14. People request chargebacks for all kinds of reasons—some sinister (like friendly fraud), some because the item they bought never arrived. 3. These disputes are commonly referred to as friendly fraud. Chargeback prevention strategies vary based on the reason for the dispute. Visa Good Code 13. FAQ: What remains Chargeback Representment? TIPS. False declines lead to missed legitimate purchases, while false. The list of chargeback reason codes in this article is organized by card brand and type of dispute. Visa’s 22 chargeback reason codes will be merged into client disputes – fraud, authorization, processing errors, and four guidelines. Reason codes are just what they sound like, an identification code used to categorize why a transaction is being refuted by the card holder. For situations where reason code 4855 would utilize, issuers have since assigned go use reason code 4853 choose. What are Chargeback Reason Codes? Chargeback reason codes are issued by the bank when a customer files for 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. com. It’s important to look up the code to understand why a transaction, good, or service was disputed in order to properly present a solid case to win the chargeback. 800. Visa reason code 53 is used for Chargeback for Defective/Not as Described, and reason code 85 is used for Credit Not Processed. EMV has been a mostly global standard since 2004. Take the time to note the following dispute reason codes for Visa. With that said, you still need to understand the reason codes with any chargebacks from Amex. 3. The merchant breached predetermined chargeback thresholds: Reason Code 05: Excessive Fraud: The merchant breached predetermined fraud-to-sales dollar volume thresholds: Reason Code 06: Currently unused--Reason Code 07: Fraud Conviction: One of the business's owners was convicted of criminal fraud:When that happens, the issuing bank will gather evidence from the customer and assign a reason code to the chargeback based on the card issuer. Visa - 10. Invent - UA02 Fraud – Card Not Present Transaction. This gives them more of an incentive to keep their customers happy, which means they usually side with cardholders during a dispute. At Visa they used to receive reason code 98. When a chargeback request is initiated, the customer's bank will provide a reason code that explains the reason for the chargeback. 1 applies when the issuing bank receives the same transaction more than one time. Chargeback Reason Codes Visa. What are Amex Reason Codes? Every card network features its own list of chargeback reason codes. txt) or read online for free. Discover: Reason Code 4755 Non-receipt of goods or services. To help merchants understand the underlying issue of each chargeback, American Express has created specific chargeback reason codes to help business owners interpret chargebacks. 15% -. Now, 10. MasterCard - 4855 Goods conversely. Our all-in-one e-commerce fraud prevention solution helps e-commerce companies reduce chargeback overheads while streamlining transactions for legitimate users. It's essential to respond within the. The chargeback reason codes below explain why this happened. 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. Reason codes for the chargeback with detailed explanation of what it means, how to dispute the chargeback, and how to avoid future disputes.