MasterCard Chargeback Reason Code 4837

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MasterCard Fraud Chargeback Reason Codes

MasterCard reason code 4837 is a chargeback that occurs when a cardholder does not recognize the charge on their account and did not provide authorization to the merchant.

MasterCard Chargeback Reason Code 4840

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MasterCard Fraud Chargeback Reason Codes

MasterCard reason code 4840 is a dispute where the cardholder claims that the merchant charged their account with multiple transactions. Keep in mind, the first transaction by the merchant was non-fraudulent.

MasterCard Chargeback Reason Code 4849

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MasterCard Fraud Chargeback Reason Codes

MasterCard reason code 4849 occurs when a merchant location is listed in the Security Bulletin for violating rules or processing an excessive number of fraudulent transactions.

MasterCard Chargeback Reason Code 4870

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MasterCard Fraud Chargeback Reason Codes

MasterCard reason code 4870 refers to a dispute where the cardholder claims they were in possession of a valid card on the date of transaction, or did not provide authorization for the transaction.

MasterCard Chargeback Reason Code 4871

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MasterCard Fraud Chargeback Reason Codes

MasterCard reason code 4871 is when the cardholder claims they were in possession of a valid card on the date of transaction, or they did not authorize or participate in the transaction.