Chargeback Reason Codes

Understanding chargeback reason codes is essential for subscription businesses and e-commerce merchants who want to minimize revenue loss and maintain healthy payment processing relationships. Each card network defines hundreds of codes representing very specific reasons for dispute claims, many of which overlap across all networks, but the key to effective chargeback management lies in recognizing patterns and implementing data-driven prevention strategies.

Mastercard Chargeback Reason Codes

Mastercard recently reworked its list of reason codes, consolidating many of them into larger categories. Instead of having a different code for each individual reason like the other card networks, Mastercard now uses a single code for all Authorization-Related Chargebacks, one for all Point of Interaction Error chargebacks, and one for all Cardholder Disputes chargebacks.

This strategic consolidation reflects Mastercard’s recognition that modern commerce, particularly subscription and digital services, often involves hybrid transaction scenarios that don’t fit neatly into traditional retail-focused dispute categories. The previous system, with dozens of highly specific reason codes, was designed primarily for point-of-sale transactions where the merchant-customer interaction was immediate and direct. Today’s subscription economy requires more nuanced dispute categorization that can accommodate complex customer lifecycles, service delivery models, and recurring billing relationships.

The new consolidated approach reduces administrative complexity while providing enhanced flexibility through detailed transaction modifiers and expanded dispute narratives. Rather than trying to force complex subscription scenarios into narrow traditional categories, the system allows for more comprehensive dispute descriptions that better reflect the actual nature of customer concerns and merchant responses.

This consolidation approach benefits subscription businesses by simplifying dispute categorization, reducing staff training requirements, and creating more consistent response procedures, though it requires more detailed analysis of the underlying dispute reasons to implement targeted prevention strategies. Merchants can no longer rely solely on reason codes for pattern identification—they must also analyze transaction modifiers, dispute timing, customer communication history, and service delivery data to understand the complete picture of why disputes occur and how to prevent them effectively.

The evolution also reflects Mastercard’s emphasis on data-driven dispute resolution, encouraging merchants to leverage customer analytics, service delivery metrics, and communication records to build stronger dispute responses and more effective prevention programs.

Fraud

Description
No Cardholder Authorization

Time Limit (Issuer/Cardholder)
120 calendar days

Time Limit (Acquirer/Merchant)
45 calendar days

Typical Causes

  • The cardholder claims the transaction was unauthorized
  • The transaction was placed by someone who had fraudulently obtained the account information
  • The cardholder didn’t recognize the transaction (billing descriptor) on the credit card statement
  • A family member used the account without the primary cardholder’s knowledge

Transaction Modifiers

  • Digital Goods Download
  • Site to Store
  • CNP Airline Transaction
  • Customer Profile
  • Recurring Transaction

Prevention Steps

  • Consider using all the tools available to you—including Mastercard SecureCode, CVC2, and Address Verification Service (AVS)
  • 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
  • Use a billing descriptor that is easily recognized by the cardholder
  • Always submit an authorization request, no matter the transaction amount
  • Make sure you differentiate between card-absent and card-present transactions during clearing by noting internet, phone, or mail orders

Description
Fraudulent Processing of Transactions

Time Limit (Issuer/Cardholder)
120 calendar days

Time Limit (Acquirer/Merchant)
45 calendar days

Typical Causes

  • The cardholder claims to have authorized one card-present transaction with you, but one or more additional transactions conducted in the next 15 minutes were not authorized

Transaction Modifiers

  • Multiple unauthorized transactions

Prevention Steps

  • If you notice a duplicate transaction, issue a credit as soon as possible
  • Double check all transaction receipts before they are deposited
  • Only send batches one time
  • If the customer wants to change to a different form of payment after initially offering the payment card, be sure to void the charge

Description
Questionable Merchant Activity

Time Limit (Issuer/Cardholder)
120 calendar days

Time Limit (Acquirer/Merchant)
45 calendar days

Typical Causes

  • This transaction is listed in a Mastercard Announcement under the Global Merchant Audit Program (GMAP)
  • This transaction violates Mastercard’s rules or the merchant was on a Mastercard security list
  • The acquirer processed a transaction for a merchant that later was listed in a MasterCard Global Security Bulletin

Transaction Modifiers

  • GMAP violation
  • Security bulletin listing

Prevention Steps

  • Always adhere to Mastercard rules and regulations
  • Maintain accurate records
  • Check transactions against the Mastercard Global Security Bulletin list

Description
Cardholder Does Not Recognize—Potential Fraud

Time Limit (Issuer/Cardholder)
120 calendar days

Time Limit (Acquirer/Merchant)
45 calendar days

Typical Causes

  • The cardholder claims not to recognize a card-not-present transaction

Transaction Modifiers

  • Card-not-present transaction

Prevention Steps

  • Consider using all the tools available to you—including Mastercard SecureCode, CVC2, and Address Verification Service (AVS)
  • 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
  • Use a billing descriptor that is easily recognized by the cardholder
  • Make sure you differentiate between card-absent and card-present transactions during authorization and clearing

Description
Chip Liability Shift

Time Limit (Issuer/Cardholder)
120 calendar days

Time Limit (Acquirer/Merchant)
45 calendar days

Typical Causes

  • The cardholder has a chip card and someone made a counterfeit copy of it
  • 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
  • Now, the cardholder claims the purchase was unauthorized

Transaction Modifiers

  • EMV Liability Shift

Prevention Steps

  • Only use EMV-compliant terminals
  • Always use the correct cardholder verification method—signature, PIN, etc.
  • Create an electronic or manual imprint for every card-present transaction

Description
Chip/PIN Liability Shift

Time Limit (Issuer/Cardholder)
120 calendar days

Time Limit (Acquirer/Merchant)
45 calendar days

Typical Causes

  • A chip card was issued, but the cardholder claims not to have possession of it
  • You processed a transaction without obtaining the cardholder’s PIN, and now the cardholder claims the purchase was unauthorized

Transaction Modifiers

  • Chip/PIN Liability Shift

Prevention Steps

  • Only use EMV-compliant terminals
  • Always use the correct cardholder verification method—signature, PIN, etc.
  • Create an electronic or manual imprint for every card-present transaction

Authorization

Description
Warning Bulletin File

Time Limit (Issuer/Cardholder)
45 calendar days

Time Limit (Acquirer/Merchant)
45 calendar days

Typical Causes

  • Transaction processed with card listed in warning bulletin
  • Failed to check card status before processing

Transaction Modifiers

  • Warning Bulletin File

Prevention Steps

  • Check card recovery bulletin for all transactions
  • Implement automated card status verification
  • Train staff on proper authorization procedures

Description
Authorization-Related Chargeback

Time Limit (Issuer/Cardholder)
90 calendar days

Time Limit (Acquirer/Merchant)
45 calendar days

Typical Causes

  • The merchant didn’t obtain authorization or attempted to obtain authorization after the transaction date
  • The merchant attempted to “force” the transaction
  • The merchant re-swiped the card multiple times after an initial authorization decline

Transaction Modifiers

  • Authorization required but not obtained

Prevention Steps

  • Confirm authorization on all transactions
  • Make sure terminals are chip-compliant
  • Do not override declined transactions

Processing Errors

Description
Account Number Not On File

Time Limit (Issuer/Cardholder)
45 calendar days

Time Limit (Acquirer/Merchant)
45 calendar days

Typical Causes

  • Transaction processed to invalid or unassigned account number
  • Account number does not match issuer records

Transaction Modifiers

  • Invalid account number

Prevention Steps

  • Verify account numbers before processing
  • Use proper card reading technology
  • Implement account validation systems
  • Check authorization responses carefully

Description
Transaction Amount Differs

Time Limit (Issuer/Cardholder)
120 calendar days

Time Limit (Acquirer/Merchant)
45 calendar days

Typical Causes

  • Final amount different from authorized amount
  • Unauthorized amount modifications
  • Processing errors in amount calculation

Transaction Modifiers

  • Amount variance

Prevention Steps

  • Double check calculations and the final transaction amount before processing
  • Don’t change the transaction amount without the cardholder’s consent
  • Void any transactions if the cardholder wishes to use a different payment method

Description
Point-of-Interaction Error

Time Limit (Issuer/Cardholder)
120 calendar days

Time Limit (Acquirer/Merchant)
45 calendar days

Typical Causes

  • The merchant submitted a single batch of transactions multiple times
  • The merchant deposited both copies of the sales receipt (merchant and sales copy)
  • The merchant created two sales receipts for a single transaction
  • The merchant deposited a receipt with more than one acquirer

Transaction Modifiers

  • DCC Selected by Merchant
  • DCC Unknown/Refused
  • Late Presentment
  • Incorrect Transaction Amount

Prevention Steps

  • Review transaction receipts before depositing
  • Submit a batch only one time
  • Credit any duplicate transactions
  • Deposit receipts with only one acquirer
  • Train staff on the proper procedures for handling credits

Description
Late Presentment

Time Limit (Issuer/Cardholder)
120 calendar days

Time Limit (Acquirer/Merchant)
45 calendar days

Typical Causes

  • You presented the transaction more than seven calendar days after the transaction date and the account is now permanently closed
  • The transaction wasn’t processed in a timely fashion and the account has since been closed

Transaction Modifiers

  • Late Presentment

Prevention Steps

  • Always send an authorization request before processing a transaction
  • Present transactions to the issuer within the specified time limit
  • Send completed transactions to your card processor as soon as possible (preferably on day of the sale)

Description
Correct Transaction Currency Code Not Provided

Time Limit (Issuer/Cardholder)
120 calendar days

Time Limit (Acquirer/Merchant)
45 calendar days

Typical Causes

  • The cardholder claims you didn’t give the option to pick a currency or you used POI currency conversion incorrectly
  • The transaction currency differs from the currency transmitted through Visa
  • The cardholder was not advised or did not agree that Dynamic Currency Conversion (DCC) would occur

Transaction Modifiers

  • DCC Selected by Merchant
  • DCC Unknown/Refused

Prevention Steps

  • Don’t automatically apply dynamic currency conversion to transactions. Give customers the option to select the service if they are interested, but don’t require its use
  • Have systems in place to manage multiple currencies. Make sure staff are trained on procedures
  • Inform cardholders of the use of currency conversion and applicable fees
  • Always give the cardholder the option to make the purchase using local currency

Consumer Disputes

Description
Cardholder Dispute

Time Limit (Issuer/Cardholder)
120 calendar days

Time Limit (Acquirer/Merchant)
45 calendar days

Typical Causes

  • The merchant sent the wrong item; the item was damaged during shipping
  • The merchant inaccurately described the products or services; the merchant didn’t perform the services as described
  • The merchant did not accept a product return; the merchant sold counterfeit products
  • The quality of goods or services wasn’t adequate

Transaction Modifiers

  • Counterfeit Merchandise
  • Credit Not Processed
  • Digital Goods Purchase of USD 25 or Less
  • Non-Receipt
  • Not As Described/Defective
  • Recurring Transaction
  • Timeshare Cancellation
  • Transaction Not Completed

Prevention Steps

  • Clearly explain the situations that might cause you to charge the card including charges for loss, theft, or damage
  • Have the cardholder read and agree to terms of service before processing the original transaction
  • Double check orders to ensure the correct item is shipped
  • Provide honest, detailed product descriptions
  • Accept returns from cardholders and issue credit promptly
  • Never sell counterfeit products

Description Cardholder Dispute—Not Elsewhere Classified (U.S. Region Only)

Time Limit (Issuer/Cardholder) 120 calendar days or 60 calendar days from first learning about the dispute from the cardholder

Time Limit (Acquirer/Merchant) 45 calendar days

Typical Causes

  • The cardholder has made an unsuccessful good-faith effort to resolve a dispute with the merchant

Transaction Modifiers

  • Not Elsewhere Classified

Prevention Steps

  • Resolve all customer complaints as quickly as possible

Description Goods or Services Not Provided

Time Limit (Issuer/Cardholder) 120 calendar days

Time Limit (Acquirer/Merchant) 45 calendar days

Typical Causes

  • Customer did not receive ordered goods or services
  • Delayed delivery without notification
  • Services not activated or provided

Transaction Modifiers

  • Digital Goods Purchase of USD 25 or Less
  • European Transaction for Travel Services

Prevention Steps

  • Provide delivery tracking and confirmation
  • Notify customers of delays
  • Ensure service activation
  • For subscriptions: Confirm access and usage

Description Addendum, No-show, or ATM Dispute

Time Limit (Issuer/Cardholder) 120 calendar days

Time Limit (Acquirer/Merchant) 45 calendar days

Typical Causes

  • The cardholder claims not to have received cash or only received a partial amount from an ATM withdrawal

Transaction Modifiers

  • ATM Transaction

Prevention Steps

  • Reconcile ATMs promptly
  • Adjust out-of-balance ATMs
  • Process a credit as soon as possible if you notice a discrepancy

Description Credit Not Processed

Time Limit (Issuer/Cardholder) 120 calendar days

Time Limit (Acquirer/Merchant) 45 calendar days

Typical Causes

  • Customer entitled to refund but credit not issued
  • Refund processing delayed or failed
  • Credit promised but not delivered

Transaction Modifiers

  • Credit Not Processed

Prevention Steps

  • Process refunds and credits promptly
  • Clearly communicate refund policies
  • Provide refund confirmation to customers
  • Track and follow up on credit processing

Description Canceled Recurring or Digital Goods Transactions

Time Limit (Issuer/Cardholder) 120 calendar days

Time Limit (Acquirer/Merchant) 45 calendar days

Typical Causes

  • Cardholder claims the merchant continued to bill the card after a recurring transaction was cancelled, or without explicit consent from the cardholder
  • Cardholder did not understand the original terms of the transaction
  • Cardholder received goods/used services after cancelling the recurring transaction

Transaction Modifiers

  • Recurring Transaction – Digital Goods

Prevention Steps

  • Make sure qualified cancellation and non-renewal requests are fulfilled promptly
  • Send a notification after you’ve cancelled the recurring payment
  • Clearly and concisely communicate your cancellation policy and make it easy for customers to find the information
  • Remind customers of upcoming charges, especially if a significant amount of time passes between each recurring billing cycle