Country | Action | Action Date | Effective Date |
ALBANIA | Signature | 20-Apr-1921 | |
ALBANIA | Ratification | 18-Oct-1921 | |
ANTIGUA AND BARBUDA | Succession | 25-Oct-1988 | 01-Nov-1981 |
Antilles | Extension | 01-Jan-1986 | |
Aruba | Extension | 01-Jan-1986 | |
AUSTRALIA | Accession | 31-Oct-1922 | |
AUSTRIA | Signature | 20-Apr-1921 | |
AUSTRIA | Ratification | 10-Jul-1924 | |
BELGIUM | Signature | 20-Apr-1921 | |
BELGIUM | Ratification | 16-May-1927 | |
BOLIVIA | Signature | 20-Apr-1921 | |
BRITISH EMPIRE | Signature | 20-Apr-1921 | |
BRITISH EMPIRE | Declaration | 20-Apr-1921 | |
BRITISH EMPIRE | Ratification | 09-Oct-1922 | |
BULGARIA | Signature | 20-Apr-1921 | |
BULGARIA | Ratification | 11-Jul-1922 | |
CANADA | Accession | 31-Oct-1922 | |
CHILE | Signature | 20-Apr-1921 | |
CHILE | Ratification | 19-Mar-1928 | |
CHINA | Signature | 20-Apr-1921 | |
CROATIA | Succession | 03-Aug-1992 | 08-Oct-1991 |
Curacao | Extension | 20-Apr-1921 | |
CZECH REPUBLIC | Succession | 09-Feb-1996 | 01-Jan-1993 |
CZECHOSLOVAKIA | Signature | 20-Apr-1921 | |
CZECHOSLOVAKIA | Ratification | 08-Sep-1924 | |
DANZIG | Accession | 10-Jan-1933 | |
DENMARK | Signature | 20-Apr-1921 | |
DENMARK | Ratification | 13-Nov-1922 | |
East Indies | Extension | 20-Apr-1921 | |
ESTONIA | Signature | 20-Apr-1921 | |
ESTONIA | Statement | 30-Aug-1929 | |
FIJI | Succession | 15-Mar-1972 | |
FINLAND | Accession | 22-Sep-1922 | |
FRANCE | Signature | 20-Apr-1921 | |
FRANCE | Statement | 20-Apr-1921 | |
GERMAN DEMOCRATIC REPUBLIC | Re-Application | 31-Jan-1974 | 04-Jun-1958 |
GERMAN DEMOCRATIC REPUBLIC | Communication | 17-Jun-1976 | |
GERMANY | Accession | 10-Nov-1931 | |
GERMANY FEDERAL REPUBLIC | Re-Application | 01-Jan-1953 | |
GERMANY FEDERAL REPUBLIC | Re-Application | 20-Jul-1955 | |
GERMANY FEDERAL REPUBLIC | Declaration | 24-Feb-1976 | |
GREECE | Signature | 20-Apr-1921 | |
GREECE | Ratification | 03-Jan-1928 | |
GUATEMALA | Signature | 20-Apr-1921 | |
Hong Kong | Extension | 09-Oct-1922 | |
Hong Kong | Withdrawal | 01-Jul-1997 | 01-Jul-1997 |
HONG KONG SAR | Application | 06-Jun-1997 | 01-Jul-1997 |
HUNGARY | Accession | 18-May-1928 | |
INDIA | Signature | 20-Apr-1921 | |
INDIA | Ratification | 09-Oct-1922 | |
IRAQ | Accession | 17-Apr-1935 | |
ITALY | Signature | 20-Apr-1921 | |
ITALY | Statement | 20-Apr-1921 | |
JAPAN | Signature | 20-Apr-1921 | |
JAPAN | Ratification | 20-Feb-1924 | |
LATVIA | Signature | 20-Apr-1921 | |
LATVIA | Ratification | 12-Feb-1924 | |
LESOTHO | Succession | 23-Oct-1973 | |
LITHUANIA | Signature | 20-Apr-1921 | |
MALAWI | Succession | 06-Jul-1964 | |
MALTA | Succession | 21-Sep-1964 | |
MAURITIUS | Succession | 12-Mar-1968 | |
MEXICO | Accession | 17-Oct-1935 | |
MONGOLIA | Accession | 15-Oct-1976 | |
NETHERLANDS THE | Signature | 20-Apr-1921 | |
NETHERLANDS THE | Statement | 20-Apr-1921 | |
Netherlands West Indies | Extension | 20-Apr-1921 | |
NEW ZEALAND | Signature | 20-Apr-1921 | |
NEW ZEALAND | Ratification | 09-Oct-1922 | |
NORWAY | Signature | 20-Apr-1921 | |
NORWAY | Ratification | 04-Sep-1923 | |
PANAMA | Signature | 20-Apr-1921 | |
PERSIA | Signature | 20-Apr-1921 | |
POLAND | Signature | 20-Apr-1921 | |
POLAND | Ratification | 20-Dec-1924 | |
PORTUGAL | Signature | 20-Apr-1921 | |
ROUMANIA | Accession | 22-Feb-1923 | |
RWANDA | Accession | 10-Feb-1965 | |
SERB-CROAT-SLOVENE STATE | Signature | 20-Apr-1921 | |
SIAM | Accession | 29-Nov-1922 | |
SLOVAK REPUBLIC | Succession | 28-May-1993 | 01-Jan-1993 |
SOLOMON ISLANDS | Accession | 03-Sep-1981 | |
SOUTH AFRICA | Accession | 31-Oct-1922 | |
SOVIET UNION | Accession | 16-May-1935 | |
SPAIN | Signature | 20-Apr-1921 | |
SPAIN | Ratification | 01-Jul-1929 | |
ST VINCENT AND THE GRENADINES | Succession | 05-Sep-2001 | 27-Oct-1979 |
Surinam | Extension | 20-Apr-1921 | |
SWAZILAND | Succession | 16-Oct-1970 | |
SWEDEN | Signature | 20-Apr-1921 | |
SWEDEN | Ratification | 19-Jan-1925 | |
SWITZERLAND | Statement | 01-Jan-1905 | |
SWITZERLAND | Signature | 20-Apr-1921 | |
TURKEY | Accession | 27-Jun-1933 | |
UNITED KINGDOM | Signature | 20-Apr-1921 | |
UNITED KINGDOM | Ratification | 09-Oct-1922 | |
URUGUAY | Signature | 20-Apr-1921 | |
YUGOSLAVIA | Ratification | 07-May-1930 | |
ZIMBABWE | Succession | 01-Dec-1998 | 18-Apr-1998 |