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Mastercard 4870: Chip Liability Shift Defense

Defend Mastercard 4870 EMV liability shift disputes with terminal compliance evidence.

4870
Reason Code
45
Days to Respond
1
Required Exhibits

What This Code Means

Chip Liability Shift is a dispute reason used by MASTERCARD when specific conditions indicate a dispute.

To successfully defend against this chargeback, you must provide compelling evidence that demonstrates the transaction was legitimate and the cardholder received the product or service as described.

Required Evidence

Transaction Details

  • Merchant/Business Name
  • Order ID
  • Order Date
  • Transaction Amount
  • Customer Name
  • Terminal ID

Required Documents

  • Terminal Transaction Logs

Recommended (Optional)

  • Terms & Policies Screenshot

What Your Response Will Include

Your packet will contain a professional narrative addressing:

  • transaction Overview
  • terminal Compliance
  • delivery

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