This Charter shall become effective on the first day of July, 1963. The Mayor, Municipal Judge and members of Council holding office at the time this Charter takes effect shall continue in such offices and shall exercise such powers and duties as are given to such offices by this Charter. The City Recorder holding office at the time this Charter takes effect shall hold the office of City Clerk under this Charter and shall exercise such powers and duties as are given to such office by this Charter. Said Mayor, Municipal Judge, City Clerk, and members of Council shall so serve until July 1, 1964, at which time their terms of office shall cease.