Conditions of carriage
Passengers are required to inform themselves of the applicable conditions of carriage of the Verkehrsverbund Berlin-Brandenburg prior to using the service.
Relevant excerpts of those conditions are posted at all underground stations and stops. It is also possible to use the information pillars or the information button in the ticket machines.
Further Information at: www.bvg.de/de/Serviceseiten/Befoerderungsbedingungen