Table of Contents What Does Mastercard 4871 Chip/PIN Liability Shift Mean? Mastercard chargeback reason code 4871, or “Chip/PIN Liability Shift,” happens when a merchant doesn’t

Table of Contents What Does Mastercard 4870 Chargeback Reason Code Mean? Mastercard chargeback reason code 4870, or “Chip Liability Shift,” shows up when a transaction

Table of Contents   What Does Mastercard 4863 Chargeback Reason Code Mean? Mastercard chargeback reason code 4863, “Cardholder Does Not Recognize—Potential Fraud,” comes up when

Table of Contents What Does Mastercard 4849 Chargeback Reason Code Mean? Mastercard chargeback reason code 4849: Questionable Merchant Activity, shows up when a cardholder or

Table of Contents What Does 4840 Chargeback Reason Code Means? Mastercard chargeback reason code 4840: Fraudulent Processing of Transactions, is used when a cardholder claims

Table of Contents What It Means: Mastercard Chargeback Reason Code 4837: No Cardholder Authorization, happens when a cardholder claims they didn’t approve a transaction on