https://commission.europa.eu/live-work-travel-eu/consumer-rights-and-complaints/resolve-your-consumer-complaint_en https://commission.europa.eu/live-work-travel

https://commission.europa.eu/live-work-travel-eu/consumer-rights-and-complaints/resolve-your-consumer-complaint_en https://commission.europa.eu/live-work-travel-eu/consumer-ri... I think that it would be normal to go to your national regulator first if that's an option.