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Phone
03 5224 1022

Important Dates

Income Tax Lodgement

Final Lodgement Date of 2024/25 Tax Returns

Due Date

15th May 2026

Monthly IAS/BAS Lodgement 2025/26

Monthly Lodgement

Paper Due Date

21st each month

Electronic Due Date

21st each month

Quarterly IAS/BAS Lodgement Due Dates 2025/26

QuarterDue Date – PaperDue Date – Online via Business PortalDue Date – Online via Tax Agent Portal
1    July, Aug & Sept28th October 202511th November 202525th November 2025
2    Oct, Nov & Dec28th February 202628th February 202628th February 2026
3    Jan, Feb & Mar28th April 202612th May 202626th May 2026
4    Apr, May & Jun28th July 202611th August 202625th August 2026

Superannuation Guarantee Contributions 2025/26

QuarterDue Date
1    July, Aug & Sept28th October 2025
2    Oct, Nov & Dec28th January 2026
3    Jan, Feb & Mar28th April 2026
4    Apr, May & Jun28th July 2026