If you are in Self-employed, here is a reminder of key remaining Australian financial year returns due dates, for the rest of this current financial year. Always check in on this information with your accountant or bookkeeper to ensure lodge on time.
Australia FY2025–26 Lodgement Reminder dates
April 2026
- 21 Apr – March monthly BAS due
- 28 Apr –
- Q3 BAS (Jan–Mar 2026)
- Q3 Superannuation Guarantee due
May 2026
- 15 May – Individual tax returns due via tax agent
- 21 May – FBT return due (paper)
- 21 May – April monthly BAS due
June 2026
- 21 Jun – May monthly BAS due
- 30 Jun – End of Financial Year (FY26)
Key Deadlines Summary
Quarterly BAS
- 28 Apr 2026
- 28 Jul 2026
Superannuation Guarantee
- 28 Apr 2026
- 28 Jul 2026
Individual Tax Returns
- 15 May 2026 (tax agent)
FBT
- 31 Mar 2026 (year end)
- 21 May 2026 (return)




