Key ATO Deadlines & Lodgement Dates

Individual Tax Returns

• 1 July: New financial year begins — you can start preparing your return
• Mid-July: Most employers finalise income statements via STP — check your myGov account
• 31 October: Deadline for self-lodgers to submit their tax return
• If using a tax agent: Extended deadlines apply (often up to May the following year), but you must be registered with your agent before 31 October

BAS Lodgement (Quarterly)

• Q1 (Jul–Sep): Due 28 October
• Q2 (Oct–Dec): Due 28 February
• Q3 (Jan–Mar): Due 28 April
• Q4 (Apr–Jun): Due 28 July

If you use a registered BAS agent, you may receive an additional two weeks for electronic lodgement.

Superannuation Guarantee

• Q1 (Jul–Sep): Due 28 October
• Q2 (Oct–Dec): Due 28 January
• Q3 (Jan–Mar): Due 28 April
• Q4 (Apr–Jun): Due 28 July

Super must be received by the fund by the due date — not just sent. Allow processing time.

SMSF Deadlines

• 28 February: SMSF annual return due (if lodging yourself for the first time)
• 15 May: Extended deadline if using a tax agent (for most SMSFs)
• Annually: Independent audit must be completed before lodging the annual return

Other Key Dates

• 14 July: Employers must finalise STP reporting for the previous financial year
• 21 July: Monthly BAS due (for monthly lodgers, 21st of each month)
• 30 June: End of financial year — last day for tax-deductible expenses and super contributions
• 1 January: PAYG payment summary annual report due (for those not using STP)