| Country | Action | Action Date | Effective Date |
|---|
| Antilles | Extension | 01/01/1986 | |
| Aruba | Extension | 01/01/1986 | |
| AUSTRALIA | Acceptance | 01/07/1953 | |
| BANGLADESH | Acceptance | 12/02/1980 | |
| BENIN | Acceptance | 22/11/1984 | |
| BRAZIL | Acceptance | 21/08/1964 | |
| BURMA | Acceptance | 29/11/1948 | |
| CAMBODIA | Acceptance | 16/07/1951 | |
| CAMEROON | Acceptance | 08/11/1984 | |
| CEYLON | Acceptance | 27/09/1948 | |
| CHINA | Acceptance | 11/07/1949 | |
| COLOMBIA | Acceptance | 06/09/1968 | |
| CUBA | Acceptance | 10/01/1949 | |
| DOMINICAN REPUBLIC | Acceptance | 29/03/1951 | |
| ECUADOR | Acceptance | 06/09/1948 | |
| EGYPT | Acceptance | 29/11/1948 | |
| FRANCE | Acceptance | 10/08/1948 | |
| GAMBIA THE | Acceptance | 04/02/1974 | |
| GHANA | Acceptance | 08/03/1968 | |
| GUATEMALA | Acceptance | 23/10/1964 | |
| GUINEA | Acceptance | 22/11/1984 | |
| GUYANA | Acceptance | 24/01/1967 | |
| HAITI | Acceptance | 10/08/1972 | |
| HUNGARY | Acceptance | 21/03/1995 | |
| INDIA | Acceptance | 12/10/1948 | |
| INDONESIA | Acceptance | 15/03/1950 | |
| IRAN | Acceptance | 30/09/1954 | |
| ITALY | Acceptance | 06/10/1948 | |
| JAPAN | Acceptance | 28/04/1952 | |
| KENYA | Acceptance | 04/11/1974 | |
| KOREA REPUBLIC OF | Acceptance | 21/11/1953 | |
| LAOS | Acceptance | 21/07/1954 | |
| LIBERIA | Acceptance | 19/07/1966 | |
| MADAGASCAR | Acceptance | 27/10/1966 | |
| MALAYSIA | Acceptance | 15/09/1958 | |
| MALI | Acceptance | 04/06/1963 | |
| MAURITANIA | Acceptance | 07/04/1985 | |
| MEXICO | Acceptance | 17/12/1948 | |
| NEPAL | Acceptance | 11/07/1968 | |
| NETHERLANDS THE | Acceptance | 12/11/1948 | |
| NETHERLANDS THE | Declaration | 01/01/1968 | |
| NICARAGUA | Acceptance | 10/12/1968 | |
| NIGERIA | Acceptance | 13/11/1961 | |
| PAKISTAN | Acceptance | 05/10/1948 | |
| PANAMA | Acceptance | 26/05/1975 | |
| PARAGUAY | Acceptance | 20/04/1950 | |
| PHILIPPINES | Acceptance | 04/01/1949 | |
| PORTUGAL | Acceptance | 09/12/1954 | |
| SENEGAL | Acceptance | 08/07/1985 | |
| SIERRA LEONE | Acceptance | 22/09/1964 | |
| SURINAME | Acceptance | 10/06/1985 | |
| THAILAND | Acceptance | 01/11/1948 | |
| UNITED KINGDOM | Signature | 28/02/1949 | |
| UNITED KINGDOM | Ratification | 28/02/1949 | |
| UNITED KINGDOM | Acceptance | 28/02/1949 | |
| UNITED STATES OF AMERICA | Acceptance | 28/02/1949 | |
| UPPER VOLTA | Acceptance | 19/11/1973 | |
| URUGUAY | Acceptance | 04/04/1968 | |
| VENEZUELA | Acceptance | 27/11/1961 | |
| VIETNAM | Acceptance | 13/06/1951 | |