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 |
AUSTRIA | Signature | 20-Apr-1921 | |
AUSTRIA | Ratification | 15-Nov-1923 | |
BELGIUM | Signature | 20-Apr-1921 | |
BOLIVIA | Signature | 20-Apr-1921 | |
BRITISH EMPIRE | Signature | 20-Apr-1921 | |
BRITISH EMPIRE | Declaration | 20-Apr-1921 | |
BRITISH EMPIRE | Ratification | 02-Aug-1922 | |
BULGARIA | Signature | 20-Apr-1921 | |
BULGARIA | Ratification | 11-Jul-1922 | |
CHILE | Signature | 20-Apr-1921 | |
CHILE | Ratification | 19-Mar-1928 | |
CHINA | Signature | 20-Apr-1921 | |
CZECHOSLOVAKIA | Signature | 20-Apr-1921 | |
CZECHOSLOVAKIA | Ratification | 08-Sep-1924 | |
DENMARK | Signature | 20-Apr-1921 | |
DENMARK | Ratification | 13-Nov-1922 | |
ESTONIA | Signature | 20-Apr-1921 | |
FIJI | Succession | 15-Mar-1972 | |
FINLAND | Signature | 20-Apr-1921 | |
FINLAND | Ratification | 29-Jan-1923 | |
FRANCE | Signature | 20-Apr-1921 | |
FRANCE | Ratification | 31-Dec-1926 | |
GREECE | Signature | 20-Apr-1921 | |
GREECE | Ratification | 03-Jan-1928 | |
GUATEMALA | Signature | 20-Apr-1921 | |
Hong Kong | Withdrawal | 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 | 02-Aug-1922 | |
ITALY | Signature | 20-Apr-1921 | |
ITALY | Ratification | 05-Aug-1922 | |
KHMER REPUBLIC | Succession | 12-Apr-1971 | |
LITHUANIA | Signature | 20-Apr-1921 | |
LUXEMBOURG | Signature | 20-Apr-1921 | |
LUXEMBOURG | Ratification | 19-Mar-1930 | |
MALAWI | Termination | 21-Mar-1969 | |
Malay States, Federated | Accession | 02-Sep-1923 | |
Malay States, Unfederated | Accession | 02-Sep-1923 | |
MALTA | Succession | 13-May-1966 | 21-Sep-1964 |
MOROCCO | Accession | 10-Oct-1972 | 08-Jan-1973 |
NEW ZEALAND | Signature | 20-Apr-1921 | |
NEW ZEALAND | Ratification | 02-Aug-1922 | |
NIGERIA | Accession | 03-Nov-1967 | |
NORWAY | Signature | 20-Apr-1921 | |
NORWAY | Ratification | 04-Sep-1923 | |
Palestine | Accession | 28-Jan-1924 | |
PANAMA | Signature | 20-Apr-1921 | |
POLAND | Signature | 20-Apr-1921 | |
PORTUGAL | Signature | 20-Apr-1921 | |
ROUMANIA | Ratification | 09-May-1924 | |
ROUMANIA | Reservation | 09-May-1924 | |
SIAM | Accession | 29-Nov-1922 | |
SLOVAK REPUBLIC | Succession | 28-May-1993 | 01-Jan-1993 |
SOLOMON ISLANDS | Succession | 03-Sep-1981 | |
SPAIN | Signature | 20-Apr-1921 | |
ST VINCENT AND THE GRENADINES | Succession | 05-Sep-2001 | 27-Oct-1979 |
SWAZILAND | Succession | 16-Oct-1970 | |
SWEDEN | Signature | 20-Apr-1921 | |
SWEDEN | Ratification | 15-Sep-1927 | |
TURKEY | Accession | 27-Jun-1933 | |
UNITED KINGDOM | Signature | 20-Apr-1921 | |
UNITED KINGDOM | Ratification | 02-Aug-1922 | |
URUGUAY | Signature | 20-Apr-1921 | |
ZIMBABWE | Succession | 01-Dec-1998 | 18-Apr-1980 |