| Country | Action | Action Date | Effective Date |
|---|
| Anguilla | Decision Resvd. | 01/12/1965 | |
| ARGENTINA | Ratification | 15/06/1978 | 15/06/1979 |
| ARGENTINA | Statement | 15/06/1978 | |
| AZERBAIJAN | Ratification | 19/05/1992 | 19/05/1992 |
| Barbados | Extension | 16/10/1964 | |
| BARBADOS | Ratification | 08/05/1967 | |
| Bechuanaland | Decision Resvd. | 24/09/1965 | |
| BELGIUM | Ratification | 02/07/1965 | |
| BELIZE | Succession | 15/12/1983 | |
| Bermuda | Extension | 17/09/1964 | |
| BRAZIL | Ratification | 05/09/1966 | |
| British Guiana | Extension | 28/02/1966 | |
| British Honduras | Extension | 07/07/1964 | |
| British Virgin Islands | Decision Resvd. | 24/08/1977 | |
| BYELORUSSIA S S R | Ratification | 26/02/1968 | |
| CHILE | Ratification | 14/10/1994 | 14/10/1995 |
| CHINA | Declaration | 20/10/1999 | |
| Comoro Islands | Extension | 27/11/1974 | |
| CZECH REPUBLIC | Succession | 01/01/1993 | 01/01/1993 |
| CZECHOSLOVAKIA | Ratification | 21/01/1964 | |
| DENMARK | Ratification | 07/02/1974 | 07/02/1975 |
| DENMARK | Declaration | 07/02/1974 | |
| DJIBOUTI | Succession | 03/08/1978 | 03/08/1978 |
| ECUADOR | Ratification | 09/03/1970 | |
| EGYPT | Ratification | 18/03/1964 | |
| Falkland Islands | Decision Resvd. | 16/10/1964 | |
| FINLAND | Ratification | 16/10/1978 | |
| FINLAND | Statement | 16/10/1978 | |
| FRANCE | Ratification | 18/11/1971 | |
| FRANCE | Declaration | 27/11/1974 | |
| French Guiana | Extension | 27/11/1974 | |
| French Polynesia | Extension | 27/11/1974 | |
| French Terr Of Afars And Issas | Extension | 27/11/1974 | |
| GERMAN DEMOCRATIC REPUBLIC | Ratification | 07/05/1975 | |
| GERMAN DEMOCRATIC REPUBLIC | Declaration | 07/05/1975 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 26/09/1973 | |
| GHANA | Ratification | 07/11/1961 | |
| Gibraltar | Decision Resvd. | 16/10/1964 | |
| Gilbert Islands | Decision Resvd. | 24/06/1977 | |
| GREECE | Ratification | 04/06/1982 | 04/06/1983 |
| Guadeloupe | Extension | 27/11/1974 | |
| Guernsey | Extension | 07/06/1967 | |
| GUINEA | Ratification | 12/12/1966 | |
| GUYANA | Ratification | 08/06/1966 | |
| Hong Kong | Extension | 01/12/1965 | |
| HUNGARY | Ratification | 08/06/1968 | |
| INDIA | Ratification | 17/11/1975 | |
| IRAQ | Ratification | 26/10/1962 | |
| Isle of Man | Decision Resvd. | 29/05/1963 | |
| ITALY | Ratification | 05/05/1971 | |
| JAPAN | Ratification | 31/07/1973 | 31/07/1974 |
| Jersey | Extension | 11/12/1964 | |
| KYRGYZSTAN | Succession | 31/01/1992 | 31/03/1992 |
| LATVIA | Succession | 08/03/1994 | 08/03/1994 |
| LEBANON | Ratification | 06/12/1977 | |
| LEBANON | Declaration | 06/12/1977 | |
| Martinique | Extension | 27/11/1974 | |
| MEXICO | Ratification | 19/10/1983 | 19/10/1984 |
| Montserrat | Decision Resvd. | 07/07/1964 | |
| NETHERLANDS THE | Ratification | 29/11/1966 | |
| New Caledonia | Extension | 27/11/1974 | |
| NICARAGUA | Ratification | 01/10/1981 | 01/10/1982 |
| NORWAY | Ratification | 17/06/1961 | |
| PARAGUAY | Ratification | 10/07/1967 | |
| POLAND | Ratification | 23/12/1964 | |
| PORTUGAL | Ratification | 17/03/1994 | 17/03/1995 |
| PORTUGAL | Declaration | 13/09/1999 | |
| Reunion | Extension | 27/11/1974 | |
| SLOVENIA | Succession | 01/01/1993 | 01/01/1993 |
| SOVIET UNION | Ratification | 22/09/1967 | |
| SPAIN | Ratification | 17/07/1962 | |
| SRI LANKA | Ratification | 18/06/1986 | 18/06/1987 |
| St Helena And Dependencies | Decision Resvd. | 24/06/1977 | |
| St Pierre and Miquelon | Extension | 27/11/1974 | |
| SWEDEN | Ratification | 12/04/1961 | |
| SWITZERLAND | Ratification | 29/05/1963 | |
| SYRIA | Ratification | 15/01/1964 | |
| TAJIKISTAN | Succession | 26/11/1993 | 26/11/1993 |
| TURKEY | Ratification | 15/11/1968 | |
| UKRAINE | Ratification | 19/06/1968 | |
| UNITED KINGDOM | Ratification | 09/03/1962 | |
| UNITED KINGDOM | Declaration | 29/05/1963 | |
| UNITED KINGDOM | Declaration | 20/08/1963 | |
| UNITED KINGDOM | Declaration | 07/07/1964 | |
| UNITED KINGDOM | Declaration | 17/09/1964 | |
| UNITED KINGDOM | Declaration | 16/10/1964 | |
| UNITED KINGDOM | Declaration | 11/12/1964 | |
| UNITED KINGDOM | Declaration | 24/09/1965 | |
| UNITED KINGDOM | Declaration | 01/12/1965 | |
| UNITED KINGDOM | Declaration | 28/02/1966 | |
| UNITED KINGDOM | Declaration | 08/06/1966 | |
| UNITED KINGDOM | Declaration | 07/06/1967 | |
| UNITED KINGDOM | Declaration | 24/06/1977 | |
| UNITED KINGDOM | Declaration | 24/08/1977 | |
| URUGUAY | Ratification | 22/09/1992 | 22/09/1993 |