If you have booked a free event, please cancel at least two business days prior to the event date due to limited attendees/allocations.
Events (guided tours of the museum, children’s birthday parties, school programmes etc.) must be cancelled at least ten days before the booked date, either by telephone (+49 (0) 5251-306 660) or via e-mail (service(at)hnf.de).
Single bookings (workshops, educational museum events etc.) must be cancelled five days in advance.
If the event is not cancelled in time, you will be charged for it in full, regardless of the reason for cancellation.