| name | image | type | Context | date effective | Language | location | date signed | Country | continent | depositary |
|---|---|---|---|---|---|---|---|---|---|---|
| Budgetary treaties of the European Communities | 01/01/1971 | Brussels | 22/04/1970 | Luxembourg | Europe | |||||
| Schengen Agreement |  | 26/03/1995 | German language | Schengen | 14/06/1985 | Luxembourg | Europe | |||
| Single European Act | Amendments/annexes | 01/07/1987 | German language | 17/02/1986 | Luxembourg | Europe | ||||
| Treaty of Accession 2005 | 01/01/2007 | Bulgarian language | 25/04/2005 | Luxembourg | Europe | |||||
| Convention de Schengen | 26/03/1995 | German language | Schengen | 19/06/1990 | Luxembourg | Europe |