Tax Return Deadline 2024 Australia. Simple steps to lodge your 2024 tax return online. The australian taxation office (ato) opens the season for filing tax returns on july 1, marking the end of the financial year.

If you choose to use the services of a registered tax agent, they will generally have special lodgment schedules and can lodge returns for clients later than 31 october. We don’t charge a fee if you request an amendment and you don’t have to send in another tax return unless we ask you to, the ato’s website says.