A by-election was held for the New South Wales Legislative Assembly electorate of Waratah on 5 December 1903 because of the resignation of Arthur Griffith to unsuccessfully contest a seat in the Senate at the 1903 federal election.[1]
| Date | Event | |
|---|---|---|
| 18 November 1903 | Arthur Griffith resigned. | |
| 19 November 1903 | Writ of election issued by the Speaker of the Legislative Assembly.[2] | |
| 27 November 1903 | Nominations | |
| 5 December 1903 | Polling day | |
| 16 December 1903 | Federal election | |
| 18 December 1903 | Return of writ |