For every single settled chargeback, you are invoiced 15 EUR
The chargeback fee is invoiced in the same month when the chargeback is settled in Mews, not the same month it is created.
In order to match the amount of the chargeback fee that is in the invoice that you received, a Payment report is the best for it.
The example of the March invoice:
Go to the Payment Report and use filters as below:
Mode - settled
Status - settled
Type - chargeback
Do you want to learn more? 🤓