The purchase and activation of electronic tickets occurs before boarding the train. All types of mobile tickets must be bought and activated before you board the train.
When tickets are checked, any passengers who do not have a stamped or otherwise validated ticket, an activated electronic ticket or a valid mobile ticket will be charged a penalty determined by the Ministry of Transport and Communications.
The penalty is currently NOK 1150,-
On the other hand, if the penalty is accepted straight away it can be settled on the spot and the penalty reduced to NOK 950,- In such cases, NSB then considers the matter to be settled and closed.
Ticket checks and penalty fares are under the authority of the Conditions of Carriage