Customs Act - Section 1 (No. 573 of 1978). Country/Territory Finland Document type Legislation Date 1978 Source FAO, FAOLEX Subject Sea Keyword Maritime zone Territorial sea Sovereignty Geographical area Arctic, Europe, Europe and Central Asia, European Union Countries, North-East Atlantic, Northern Europe Abstract Section 1 of the Customs Act declares that the Finnish Customs zone shall consist of the land territory, territorial waters and airspace of the State. The boundary of the Customs Zone shall however extend two nautical miles beyond the outer boundary of the territorial sea, unless otherwise agreed internationally. Full text English