You are responsible for clearing any goods you have brought from a trip or any other goods that need to be declared to Customs.
If you have something to declare, please choose the red channel upon arrival or declare the goods in another manner to Customs. If you are obliged to pay import duties for the goods you have brought, you can pay them in connection to the customs clearance.
Restrictions ...
After arriving, choose either green or red channel based on whether you have something to declare.
By choosing the red channel, you are letting Customs know that you have something to declare. If you are unsure about import restrictions, select the red channel. If you arrive by train, please contact the customs authorities on the train or the train’s mobile patrol and tell them about your goods that need to be cleared.
The service is free of charge.