The KAIRA site is nominally at Kilpisjärvi. However, it is actually north of the settlement, closer to Siilasjärvi than Kilpisjärvi itself. It is very close to the border. In fact, it is actually beyond the customs station, but before the border line itself... so sort of in no-man's land. Apart from being on the border between two countries, this is also a border of the European Union itself (Norway is not in the EU).
Although the Customs and Border Patrols are aware of the project, we had a visit anyway to find out how things were going. No doubt the stream of HBA tile delivery lorries had something to do with it.
No, we've nothing to declare. (Apart from a huge radio receiver array!)