| English | Spanish |
| Convention on Certain Institutions Common to the European Communities | Convenio sobre determinadas instituciones comunes a las Comunidades Europeas |
| Convention on certain Institutions common to the European Communities | Convenio relativo a determinadas Instituciones comunes de las Comunidades Europeas |
| Decision taken by common agreement between the Representatives of the Member States on the location of the seats of the institutions and of certain bodies and departments of the European Communities | Decisión adoptada de común acuerdo por los representantes de los Gobiernos de los Estados miembros relativa a la fijación de las sedes de las instituciones y de determinados organismos y servicios de las Comunidades |
| Multilateral Agreement between the European Community and its Member States, the Republic of Albania, Bosnia and Herzegovina, the Republic of Bulgaria, the Republic of Croatia, the former Yugoslav Republic of Macedonia, the Republic of Iceland, the Republic of Montenegro, the Kingdom of Norway, Romania, the Republic of Serbia and the United Nations Interim Administration Mission in Kosovo on the establishment of a European Common Aviation Area | Acuerdo sobre una Zona Europea Común de Aviación |