When should a postal parcel be declared?

Postilähetys pitää tullata 20 päivän kuluessa.

Posti or Åland Post will notify you when a postal consignment to be declared has arrived. You have to declare the consignment and pay the import duties within 20 days of the arrival of the consignment. Otherwise, Posti or Åland Post will return the parcel to the sender.
Read more: When can I clear my consignment?