The Planet service point is located on the first floor of the arrivals hall at Helsinki Airport, opposite the taxi station.
If the service point is closed, you can have your Tax Free Form stamped for export validation by Finnish Customs. Customs service points are located on the first floor of the arrivals hall, opposite the taxi station, and near gate 29.
Fill in the required details on the form, including your passport number, name, address and credit card number. Drop off the Tax Free Form stamped by Customs in a Planet refund box.