| Country | Action | Action Date | Effective Date |
|---|
| AUSTRALIA | Signature | 29/03/1962 | |
| AUSTRALIA | Ratification | 15/01/1963 | |
| AUSTRALIA | Reservation | 15/01/1963 | |
| AUSTRALIA | Denunciation | 30/09/1974 | 01/01/1975 |
| BELGIUM | Signature | 29/03/1962 | |
| BELGIUM | Ratification | 02/04/1964 | |
| FRANCE | Signature | 29/03/1962 | |
| FRANCE | Ratification | 30/01/1964 | |
| GERMANY FEDERAL REPUBLIC | Signature | 29/03/1962 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 29/02/1964 | |
| ITALY | Signature | 29/03/1962 | |
| ITALY | Ratification | 04/03/1965 | |
| NETHERLANDS THE | Signature | 29/03/1962 | |
| NETHERLANDS THE | Ratification | 12/06/1963 | |
| UNITED KINGDOM | Signature | 29/03/1962 | |
| UNITED KINGDOM | Ratification | 28/03/1963 | |
| UNITED KINGDOM | Denunciation | 26/09/1972 | 01/01/1973 |