A by-election was held for the New South Wales Legislative Assembly electorate of Bankstown on 13 September 1980 following the death of Nick Kearns .[1]
By-elections for the seats of Ku-ring-gai and Murray were held on the same day.
| Date | Event | |
|---|---|---|
| 24 July 1980 | Death of Nick Kearns. | |
| 11 August 1980 | Writ of election issued by the Speaker of the Legislative Assembly and close of electoral rolls.[2] | |
| 18 August 1980 | Day of nomination | |
| 13 September 1980 | Polling day | |
| 26 September 1980 | Return of writ |