The General Assembly, the guiding body of the Ligue, is attended by all members and held every two years.
The Board and the various Sub-Committees report to the General Assembly.
General Assemblies have been held in the following cities:
| 1934 | Copenhagen | 1978 | Helsinki |
| 1936 | Berlin (World War II) | 1980 | Edinburgh |
| 1949 | Copenhagen | 1982 | Lisbon |
| 1951 | Berne | 1984 | Vienna |
| 1953 | Paris | 1986 | Montreal |
| 1955 | Torino | 1988 | Madrid |
| 1957 | Vienna | 1990 | Athens |
| 1959 | Malmo/Stockholm | 1992 | Rome |
| 1961 | Torino | 1994 | Stockholm |
| 1963 | London | 1996 | Lausanne |
| 1965 | New York | 1998 | Copenhagen |
| 1967 | Melbourne | 2000 | St Andrews / Scotland |
| 1969 | Munich | 2002 | New York |
| 1971 | Oslo | 2004 | Berlin |
| 1973 | Berne | 2006 | New Delhi |
| 1976 | Brussels | 2008 | Barcelona / Sevilla |






