Referendums : a bill for an act to prevent Parliament from changing laws about the independence of judges and magistrates without a referendum and a bill for an Act to require the Parliament of New South Wales to serve full 4 year terms and to prevent politicians calling early elections or changing these new constitutional rules without a further referendum : 25 March 1995 : (Constitution Further Amendment (Referendum) Act 1930) : statistics / prepared by E.I. Dickson, Electoral Commissioner for New South Wales.