Key Dates

To make sure you don’t forget when to lodge your activity statements and other liabilities, we will publish the dates for the current accounting period here. Check back here regularly to keep up with your important due dates.

Here are the key dates for BAS, IAS and the Superannuation Guarantee for the following accounting period:

Quarter 2: October to December 2026

  • 21st Oct – Lodge and pay September 2026 monthly business activity statement.
  • 28th Oct – Lodge and pay quarter 1, 2026–27 activity statement, if lodging by paper.
  • 21st Nov – Lodge and pay October 2026 monthly business activity statement.
  • 25th Nov – Lodge and pay quarter 1, 2026–27 activity statement if you lodge electronically.
  • 21st Dec – Lodge and pay November 2026 monthly business activity statement.
  • 25th Dec – Santa arrives! 🧑‍🎄
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