29 December 1971
| Title | Language | Date |
|---|---|---|
| Österreich (Abkommen vom 29.12.1971) | German | 29-12-1971 |
| Oostenrijk (Overeenkomst van 29.12.1971) | Dutch | 29-12-1971 |
| Beslissing nr. E.T. 9360 dd. 29.12.1971. | Dutch | 29-12-1971 |
| Autriche (Convention du 29.12.1971) | French | 29-12-1971 |
| Décision n° E.T. 9360 dd. 29.12.1971. | French | 29-12-1971 |
