Why it happens
- The cardholder is unhappy with the purchase for a reason no other code covers.
- The merchant did not resolve a complaint the cardholder raised.
Mastercard4854Customer dispute
Cardholder Dispute—Not Elsewhere Classified (U.S. Region Only)
A U.S. cardholder has a complaint about goods or services that no other code covers, and has tried to settle it with the merchant first. It only applies in the U.S. region.
What to send to fight it
- Messages showing the merchant answered or resolved the complaint.
- Proof the goods or service were delivered as agreed.
- The terms the cardholder accepted.
- Proof a refund was already processed.
How to prevent it
- Answer complaints quickly and in writing.
- Offer a fair refund or replacement before the customer goes to their bank.
Summaries written by NoChurn from the networks’ public rules and processor documentation. Networks update their rules and deadlines depend on your processor: check its documentation before you respond.
Other Mastercard codes
- 4808Authorization-related Chargeback
- 4837No Cardholder Authorization
- 4840Fraudulent Processing of Transactions
- 4849Questionable Merchant Activity
- 4863Cardholder Does Not Recognize—Potential Fraud
- 4870Chip Liability Shift
- 4871Chip/PIN Liability Shift
- 4834Point-of-Interaction Error
- 4831Transaction Amount Differs
- 4842Late Presentment
- 4846Correct Transaction Currency Code Not Provided
- 4853Cardholder Dispute
- 4841Cancelled Recurring or Digital Goods Transactions
- 4855Goods or Services Not Provided
- 4859Addendum, No-show, or ATM Dispute
- 4860Credit Not Processed
- 4999Domestic Chargeback Dispute (Europe Region Only)
Sources (1)
- Mastercard Chargeback Guide, Merchant Edition (19 May 2026) · checked 2026-11-09
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