1950	5	ALTHOUGH THE OFFICIAL RULES OF THE RADICAL PARTY STATE THAT THE LOCAL ORGANIZATIONS HAVE COMPLETE CONTROL OF THE SELECTION OF CANDIDATES, THE NATIONAL EXECUTIVE COMMITTEE MAY, ALBEIT INFREQUENTLY, EXERT UNOFFICIAL CONTROL OVER THE PROCESS, USUALLY IN THE FORM OF REFUSAL TO ACCEPT A PARTICULAR CANDIDATE OR TYPE OF CANDIDATE.
1951	5
1952	5
1953	5
1954	5
1955	5
1956	5
1957	5
1958	5
1959	5
1960	5
1961	5
1962	5
1963	5
1964	5
1965	5
1966	5
1967	5
1968	5
1969	5
1970	5
1971	5
1972	5
1973	5
1974	5
1975	5
1976	5
1977	5
1978	5
1979	5
1980	5
1981	5
1982	5
1983	5
1984	5
1985	5
1986	5
1987	5
1988	5
1989	5	Individual members propose candidates; nomination takes place at a meeting of the constituency organization at which all members have the right to vote; the regional organization shall give its approval if the same candidate is nominated by more than one constituency. The national organization has no official role in candidate selection (Katz and Mair, 253 - Patti Goff)
1990	5