In cooperation with Danish banks and the Danish Consumer Ombudsman, Finance Denmark has drawn up separate overviews for complaint options for Danish debit card (Dankort), the Visa part of your Danish debit card and MasterCard. These overviews are available below in Danish.
Danish debit card (Dankort)
The Visa part of your Visa/Dankort
MasterCard
You should always contact your bank with complaints in connection with payment card usage.