| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| Aruba | Extension | 01/01/1986 | |
| AUSTRALIA | Declaration | 26/01/1956 | |
| AUSTRALIA | Accession | 02/06/1958 | 02/06/1958 |
| AUSTRIA | Accession | 19/08/1947 | |
| AUSTRIA | Declaration | 01/01/1905 | |
| AUSTRIA | Declaration | 26/01/1956 | |
| BELGIUM | Accession | 24/11/1939 | |
| BRAZIL | Signature | 02/06/1934 | |
| CANADA | Accession | 30/07/1951 | |
| CONGO, REPUBLIC OF | Accession | 02/08/1963 | |
| CUBA | Signature | 02/06/1934 | |
| CUBA | Declaration | 31/07/1956 | |
| Curacao | Extension | 05/08/1948 | |
| CZECHOSLOVAKIA | Signature | 02/06/1934 | |
| DENMARK | Signature | 02/06/1934 | |
| DENMARK | Ratification | 29/07/1937 | |
| DENMARK | Declaration | 26/01/1956 | |
| East Indies | Extension | 05/08/1948 | |
| EGYPT | Accession | 01/07/1951 | 01/07/1951 |
| EGYPT | Declaration | 26/01/1956 | |
| FINLAND | Accession | 30/04/1953 | |
| FRANCE | Accession | 25/06/1939 | |
| GERMAN DEMOCRATIC REPUBLIC | Accession | 01/01/1905 | |
| GERMAN DEMOCRATIC REPUBLIC | Declaration | 26/01/1956 | |
| GERMANY | Signature | 02/06/1934 | |
| GERMANY | Ratification | 10/08/1937 | |
| GERMANY FEDERAL REPUBLIC | Re-Application | 09/11/1949 | |
| GERMANY FEDERAL REPUBLIC | Withdrawal | 16/08/2010 | |
| GREECE | Accession | 27/10/1953 | |
| HAITI | Accession | 01/03/1958 | 01/07/1958 |
| HUNGARY | Accession | 14/07/1962 | |
| ICELAND | Accession | 05/05/1962 | 05/05/1962 |
| INDONESIA | Accession | 24/12/1950 | 24/12/1950 |
| IRAN | Accession | 16/12/1959 | |
| IRELAND, REPUBLIC OF | Accession | 14/05/1958 | 14/05/1958 |
| ISRAEL | Accession | 24/03/1950 | |
| ITALY | Accession | 15/06/1955 | |
| ITALY | Declaration | 26/01/1956 | |
| JAPAN | Signature | 02/06/1934 | |
| JAPAN | Ratification | 17/06/1938 | |
| LEBANON | Accession | 30/09/1947 | |
| LEBANON | Declaration | 06/08/1956 | |
| LIECHTENSTEIN | Accession | 28/01/1951 | 28/01/1951 |
| LIECHTENSTEIN | Termination | 13/12/2010 | |
| LUXEMBOURG | Accession | 30/12/1945 | 01/12/1945 |
| LUXEMBOURG | Declaration | 26/01/1956 | |
| MEXICO | Accession | 14/06/1955 | |
| MEXICO | Declaration | 26/01/1956 | |
| MONACO | Accession | 29/03/1956 | |
| MOROCCO | Accession | 21/01/1941 | |
| NETHERLANDS THE | Signature | 02/06/1934 | |
| NETHERLANDS THE | Ratification | 05/08/1948 | |
| NETHERLANDS THE | Termination | 13/12/2010 | 13/12/2011 |
| NEW ZEALAND | Accession | 14/07/1946 | 14/07/1946 |
| NORWAY | Signature | 02/06/1934 | |
| NORWAY | Ratification | 02/03/1938 | |
| NORWAY | Declaration | 26/01/1956 | |
| POLAND | Signature | 02/06/1934 | |
| PORTUGAL | Accession | 07/10/1949 | 07/11/1949 |
| Rhodesia And Nyasaland | Extension | 01/04/1958 | 01/04/1958 |
| ROUMANIA | Accession | 19/11/1963 | 19/11/1963 |
| SAN MARINO | Accession | 04/03/1960 | 04/03/1960 |
| Singapore | Extension | 12/11/1949 | |
| SOUTH AFRICA | Accession | 01/07/1947 | |
| SOUTH AFRICA | Declaration | 09/02/1951 | |
| SPAIN | Accession | 02/02/1956 | |
| SRI LANKA | Succession | 29/12/1952 | |
| Surinam | Extension | 05/08/1948 | |
| SWEDEN | Accession | 21/04/1953 | 01/07/1953 |
| SWITZERLAND | Accession | 24/11/1939 | |
| SYRIA | Accession | 30/09/1947 | |
| Tanganyika | Extension | 28/01/1951 | |
| TANGIER | Accession | 13/06/1939 | |
| TUNIS | Accession | 04/10/1942 | |
| TURKEY | Declaration | 26/01/1956 | |
| TURKEY | Accession | 04/04/1957 | 27/06/1957 |
| UNITED ARAB REPUBLIC | Succession | 01/03/1960 | |
| UNITED KINGDOM | Signature | 02/06/1934 | |
| UNITED KINGDOM | Ratification | 30/06/1938 | |
| UNITED KINGDOM | Declaration | 26/01/1956 | |
| UNITED STATES OF AMERICA | Signature | 02/06/1934 | |
| UNITED STATES OF AMERICA | Ratification | 12/07/1935 | |
| VATICAN CITY | Accession | 29/09/1960 | 29/09/1960 |
| Western Samoa | Extension | 14/07/1946 | |
| YUGOSLAVIA | Accession | 18/03/1965 |