Mastercard · Fraud

Mastercard reason code 4863: Cardholder Does Not Recognize — Potential Fraud

The cardholder doesn’t recognise the transaction on their statement and suspects it may be fraud.

What the cardholder is claiming

“I don’t recognise this charge.”

Often the purchase is genuine but the descriptor is unfamiliar — showing the order details and how the charge appears usually resolves it.

Evidence that wins a Mastercard 4863 chargeback

Start with the required items — they answer the claim directly. Recommended items make a borderline case stronger.

  • Transaction details Required

    Receipt, descriptor and order details that help the cardholder recognise the purchase.

  • Cardholder knew of the purchase Recommended

    The cardholder's own messages about the order.

  • Delivered to the cardholder Recommended

    Goods reached the cardholder's address.

  • Device / IP history Recommended

    The purchase came from the cardholder's device.

How to respond to a Mastercard 4863 dispute

  1. 1

    Check the due date in your processor’s dispute dashboard. Responses that arrive late lose, however strong they are.

  2. 2

    Collect the required evidence: transaction details.

  3. 3

    Add what strengthens the case: cardholder knew of the purchase, delivered to the cardholder, device / ip history.

  4. 4

    Write a short response that answers the cardholder’s claim point by point, and cite the exact document and page behind each point.

  5. 5

    Combine it into one clean package and submit it through your processor’s dispute portal.

Why Mastercard 4863 chargebacks happen

  • Your billing descriptor doesn’t match the store name the customer knows.
  • Someone in the household made the purchase.
  • A subscription renewed and the customer forgot about it.

How to prevent them

  • Make your descriptor match your brand, and include a phone number or website.
  • Send an order confirmation email that shows exactly how the charge will appear.
  • Remind subscribers before each renewal.

Mastercard 4863 chargeback FAQ

What does Mastercard reason code 4863 mean?
Cardholder Does Not Recognize — Potential Fraud. The cardholder doesn’t recognise the transaction on their statement and suspects it may be fraud.
What evidence do I need to win a Mastercard 4863 chargeback?
Required: transaction details. Also strengthens your case: cardholder knew of the purchase, delivered to the cardholder, device / ip history.
How do I respond to a Mastercard 4863 chargeback?
Gather the evidence above, write a response that answers the cardholder’s claim point by point and ties each point to a document, and submit it through your processor’s dispute portal before the due date shown there. Chargeback Warden checks your evidence against the Mastercard 4863 checklist and drafts the cited response for you to approve.

Your next deadline is already counting down.

Open your first case free and have a cited, ready-to-send evidence package before the clock runs out.

Start your first case free

No card needed · Sign up with Google or email