The following are the important ATO dates for this month. As per ATO Dates – March 2025

21 March

  • Lodge and pay February 2025 monthly business activity statement.

31 March

  • Lodge tax return for companies and super funds with total income of more than $2 million in the latest year lodged (excluding large and medium taxpayers), unless the return was due earlier.
  • Payment for companies and super funds in this category is also due by this date.
  • Lodge tax return for the head company of a consolidated group (excluding large and medium), with a member who had a total income in excess of $2 million in their latest year lodged, unless the return was due earlier.
  • Payment for companies in this category is also due by this date.
  • Lodge tax return for individuals and trusts whose latest return resulted in a tax liability of $20,000 or more, excluding large and medium trusts.
  • Payment for individuals and trusts in this category is due as advised on their notice of assessment.