2.A.1. The single administrative document (SAD) is the documentary basis for customs declarations in the European Union and in Iceland, Norway and Switzerland. The single administrative document comprises a set of eight copies. Figure II.A.1 below contains a representation of the first copy, which is the copy retained by the member State/country where the export or transit formalities are carried out. More information is available from the European Commission website (http://ec.europa.eu/taxation_customs/customs/procedural_aspects/ general/sad/index_en.htm).