In this case, Mastercard wouldn’t accept a dispute for this transaction because once the money has reached the merchant, they consider that the service has been provided. We aren’t under any obligation to raise a chargeback but we try to do so in any cases we’re able to. They set out rules for the way disputes are handled and under what conditions an issuer (Monzo) can raise a chargeback to dispute a payment. Let me explain: “chargebacks” are a scheme that Mastercard runs to arbitrate disputes.

I’ve reviewed your case and I’m afraid we aren’t permitted to raise a chargeback here for you, under the Mastercard rules. I’m really sorry about the trouble you’re having with Sky Casino. Thanks for all the details you’ve provided in the chat. My name is and I’m part of the Disputes team here at Monzo. I actually saved the response I got from Monzo at the time. Monzo wouldnt do chargebacks for these payments. A few casinos did block my account upon depositing. I used to use my Monzo account as a matched betting account a few years back. Initiate a chargeback if it’s on a debit card.

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