Tickets are eligible for full refund within 14 days of purchase when bought before May 1, 2021. Tickets which are cancelled not within 14 days of purchase can only be refunded for 25% of the full ticket price if bought before May 1, 2021. No refunds for tickets bought after May 1, 2021. Tickets can be transferred without cost via the Eventbrite platform to other colleagues. The organizers may postpone, cancel, interrupt or stop the conference due to adverse weather, dangerous situations, or any other causes beyond their reasonable control. A refund in these circumstances will be evaluated based on the incurred costs for organizing the conference.