For the purposes of this Book, and under the conditions it lays down, nationals of States which are not members of the European Union and which are parties to the Agreement on the European Economic Area, as well as nationals of the Swiss Confederation, are treated in the same way as citizens of the European Union.
Other than nationals of the Swiss Confederation, the nationals referred to in the first paragraph are those of the Republic of Iceland, the Principality of Liechtenstein and the Kingdom of Norway.