The membership was set by the 1962 federal election on June 18 , 1962 .
Membership changed only somewhat due to resignations and by - elections until membership was dissolved prior to the 1963 election .
The membership was set by the 1962 federal election on June 18 , 1962 , and it changed only somewhat due to resignations and by - elections until it was dissolved prior to the 1963 election .