Treaty between the Kingdom of Belgium, the Kingdom of Denmark, the Federal Republic of Germany, the Hellenic Republic, the Kingdom of Spain, the French Republic, Ireland, the Italian Republic, the Grand Duchy of Luxembourg, the Kingdom of the Netherlands, the Portuguese Republic, the United Kingdom of Great Britain and Northern Ireland (Member States of the European Union) and the Kingdom of Norway, the Republic of Austria, the Republic of Finland, the Kingdom of Sweden, concerning the accession of the Kingdom of Norway, the Republic of Austria, the Republic of Finland and the Kingdom of Sweden to the European Union
Conradh idir Ríocht na Beilge, Ríocht na Danmhairge, Poblacht Chónaidhme na Gearmáine, an Phoblacht Heil­léanach, Ríocht na Spáinne, Poblacht na Fraince, Eire, Poblacht na hlodáile, Ard­Diúcacht Lucsamburg, Ríocht na hísiltíre, Poblacht na Portaingéile, Ríocht Aontaithe na Breataine Móire agus Thuaisceart Éireann (Ballstáit an Aontais Eorpaigh) agus Ríocht na hlorua, Poblacht na hOstaire, Poblacht na Fionlainne, Ríocht na Sualainne, i dtaobh aontachas Ríocht na hlorua, Phoblacht na hOstaire, Phoblacht na Fionlainne agus Ríocht na Sualainne leis an Aontas Eorpach