A by-election was held for the New South Wales Legislative Assembly electorate of Hastings and Macleay on 1 March 1900 because Edmund Barton (Protectionist) resigned to travel to London with Alfred Deakin and Charles Kingston to explain the federation bill to the British Government.
[1] Francis Clarke was the former member who had resigned in 1898 to allow Barton to re-enter parliament.
[2]