Monthly due dates
August 2026 Australian Tax Calendar
This month board is the working view for August 2026. Check the scheduled dates first, then use filters below only if you want to isolate BAS, PAYG, super, STP, FBT, lodgment or a specific audience.
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Key dates in August 2026
14 August 2026
PAYG withholding annual report due
Lodge PAYG withholding payment summary annual report.
28 August 2026
SGC statement and payment due for Q4 shortfall
If SG was late or underpaid for Apr-Jun quarter, lodge SGC statement and pay by this date.
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FAQ
What is the self-lodgment deadline?
For most individuals, the self-lodgment deadline is usually 31 October each year, with next business day treatment if needed.
Are these dates legal advice?
No. This calendar is informational only. Always confirm your exact obligation on the ATO website or with a registered tax agent.