What steps are necessary to dispute unjustified card surcharges?

To dispute unjustified card surcharges, please follow these steps:

• Observe the deadline: Submit your complaint in writing within 30 days from the invoice date.
• Include documentation: Attach all relevant documents, such as:
• Copy of the invoice, booking or order confirmation (the surcharge must be clearly visible).
• Emails, letters, or information about telephone contacts.
• Complete the form: Use the dispute form and send it in with your signature.

Tip: Ensure that all documents are submitted in full and within the specified deadline.