| Country | Action | Action Date | Effective Date |
|---|
| ALGERIA | Acceptance | 04/08/1969 | |
| BULGARIA | Acceptance | 07/01/1970 | |
| CYPRUS | Acceptance | 22/04/1969 | |
| CZECHOSLOVAKIA | Acceptance | 23/06/1970 | |
| DENMARK | Acceptance | 25/02/1969 | |
| FINLAND | Acceptance | 26/05/1971 | |
| FRANCE | Acceptance | 07/02/1969 | |
| GERMANY FEDERAL REPUBLIC | Acceptance | 16/03/1971 | |
| GREECE | Acceptance | 25/06/1970 | |
| HUNGARY | Acceptance | 03/06/1970 | |
| LUXEMBOURG | Acceptance | 09/03/1971 | |
| NETHERLANDS THE | Acceptance | 02/06/1971 | |
| NORWAY | Acceptance | 15/09/1971 | |
| PORTUGAL | Acceptance | 28/05/1969 | |
| ROMANIA | Accession | 12/02/1973 | |
| SPAIN | Acceptance | 20/05/1969 | |
| SWEDEN | Acceptance | 07/07/1969 | |
| TURKEY | Acceptance | 08/12/1969 | |
| UNITED KINGDOM | Acceptance | 17/01/1970 | |
| YUGOSLAVIA | Acceptance | 06/07/1971 | |