July 2027 Australian Tax Calendar
This month board is the working view for July 2027. 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 July 2027
1 July 2027
Tax return lodgment period opens
Self-lodgment season opens for most individuals.
1 July 2027
ATO debts-on-hold visibility change
CGT reform law. 50% discount ends for CGT events on or after 1 July 2027; CPI indexation plus 30% minimum tax apply from that date.
14 July 2027
STP finalisation declaration due (most payees)
Finalise STP data for most employees by this date.
28 July 2027
Quarter 4 BAS due (Apr-Jun 2027)
Lodge and pay your quarterly BAS for April to June.
28 July 2027
Quarter 4 PAYG instalment due (Apr-Jun 2027)
Quarterly PAYG instalment due date for most instalment payers.
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Frequently asked questions
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.
Next actions after reviewing July 2027
BAS and PAYG follow-up
Open BAS and PAYG dates in a filtered view, then move into BAS and sole-trader support.
Employer deadline follow-up
Focus on super, STP, and FBT dates, then move into employer and payroll guidance.
Lodgment season follow-up
Review lodgment-heavy dates, then move into the tax return calculator or compliance hub.