| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| Antilles | Extension | 16/01/1986 | |
| Aruba | Extension | 16/01/1986 | |
| BELGIUM | Accession | 09/09/1970 | |
| BOSNIA AND HERZEGOVINA | Succession to Signature | 12/01/1994 | |
| BRAZIL | Signature | 24/04/1963 | |
| BULGARIA | Accession | 11/07/1989 | 10/08/1989 |
| CAMBODIA | Accession | 10/03/2006 | 09/04/2006 |
| CAMEROON | Signature | 21/08/1963 | |
| COLOMBIA | Signature | 24/04/1963 | |
| CONGO, DEMOCRATIC REPUBLIC OF | Signature | 24/04/1963 | |
| DENMARK | Signature | 24/04/1963 | |
| DENMARK | Ratification | 15/11/1972 | |
| DOMINICAN REPUBLIC | Signature | 24/04/1963 | |
| DOMINICAN REPUBLIC | Ratification | 04/03/1964 | |
| EGYPT | Accession | 21/06/1965 | |
| ERITREA | Accession | 14/01/1997 | 13/02/1997 |
| ESTONIA | Accession | 21/10/1991 | 20/11/1991 |
| FINLAND | Signature | 28/10/1963 | |
| FINLAND | Ratification | 02/07/1980 | 01/08/1980 |
| GABON | Accession | 23/02/1965 | |
| GERMANY FEDERAL REPUBLIC | Signature | 31/10/1963 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 07/09/1971 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 07/09/1971 | |
| GERMANY FEDERAL REPUBLIC | Objection | 07/09/1971 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 24/01/1972 | |
| GERMANY FEDERAL REPUBLIC | Objection | 25/07/1977 | |
| GHANA | Signature | 24/04/1963 | 04/10/1963 |
| GHANA | Ratification | 04/10/1963 | |
| ICELAND | Accession | 01/06/1978 | 01/07/1978 |
| INDIA | Accession | 28/11/1977 | 28/12/1977 |
| INDONESIA | Accession | 04/06/1982 | 04/07/1982 |
| IRAN | Accession | 05/06/1975 | 05/07/1975 |
| IRAQ | Accession | 14/01/1970 | |
| IRAQ | Reservation | 14/01/1970 | |
| ISRAEL | Objection | 16/03/1970 | |
| ISRAEL | Objection | 12/05/1977 | |
| ITALY | Signature | 22/11/1963 | |
| ITALY | Ratification | 25/06/1969 | |
| KENYA | Accession | 01/07/1965 | |
| KOREA REPUBLIC OF | Accession | 07/03/1977 | 06/04/1977 |
| KUWAIT | Signature | 10/01/1964 | |
| Land Berlin | Extension | 07/09/1971 | |
| LAOS | Accession | 09/08/1973 | 08/09/1973 |
| LIBERIA | Signature | 24/04/1963 | |
| MADAGASCAR | Accession | 17/02/1967 | |
| MALAWI | Accession | 23/02/1981 | 25/03/1981 |
| MOROCCO | Accession | 23/02/1977 | |
| MOROCCO | Reservation | 23/02/1977 | |
| MYANMAR | Accession | 02/01/1997 | 01/02/1997 |
| MYANMAR | Reservation | 02/01/1997 | |
| MYANMAR | Declaration | 02/01/1997 | |
| NAURU | Accession | 14/12/2012 | 13/01/2013 |
| NEPAL | Accession | 28/09/1965 | |
| NETHERLANDS THE | Accession | 17/12/1985 | 16/01/1986 |
| NETHERLANDS THE | Declaration | 17/12/1985 | |
| NEW ZEALAND | Accession | 05/09/2003 | 05/10/2003 |
| NICARAGUA | Accession | 09/01/1990 | 08/02/1990 |
| NIGER | Accession | 21/06/1978 | 21/07/1978 |
| NORWAY | Signature | 24/04/1963 | |
| NORWAY | Ratification | 13/02/1980 | 14/03/1980 |
| OMAN | Accession | 31/05/1974 | 30/06/1974 |
| OMAN | Declaration | 31/05/1974 | |
| PANAMA | Signature | 04/12/1963 | |
| PANAMA | Ratification | 28/08/1967 | |
| PARAGUAY | Accession | 23/12/1969 | |
| PHILIPPINES | Accession | 15/11/1965 | |
| SENEGAL | Accession | 29/04/1966 | |
| SURINAME | Accession | 11/09/1980 | 11/10/1980 |
| SWEDEN | Signature | 08/10/1963 | |
| SWEDEN | Ratification | 19/03/1974 | |
| SWITZERLAND | Accession | 12/06/1992 | 12/07/1992 |
| TAIWAN | Signature | 24/04/1963 | |
| THAILAND | Accession | 15/04/1999 | 15/05/1999 |
| TUNISIA | Accession | 24/01/1968 | |
| VIETNAM, REPUBLIC OF | Accession | 10/05/1973 | 09/06/1973 |
| YUGOSLAVIA | Signature | 24/04/1963 | |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Succession to Signature | 12/03/2001 | 27/04/1992 |
| ZAIRE | Signature | 24/04/1963 |