28 October 2026
Quarter 1 BAS due (Jul-Sep 2026)
Lodge and pay your quarterly BAS for July to September.
Review the main Australian tax due dates scheduled for October 2026, then use filters to narrow the list by BAS, PAYG, super, STP, FBT, lodgment or audience.
October 2026 includes 4 scheduled due dates covering BAS, PAYG, super.
28 October 2026
Lodge and pay your quarterly BAS for July to September.
28 October 2026
Quarterly PAYG instalment due date for most instalment payers.
28 October 2026
Super contributions must be received by each employee's fund by this date.
31 October 2026
Final date to lodge yourself; engage a registered tax agent by this date for agent schedules.
For most individuals, the self-lodgment deadline is 31 October each year, with next business day treatment if needed.
No. This calendar is informational only. Always confirm your exact obligation on the ATO website or with a registered tax agent.