Tax Due Date 2024 Australia 2024. The due date to lodge and pay your annual gst return is 31 october. If you're lodging the return yourself, you have until october 31.

For the tax year in australia, business owners file their income tax returns between 1 july to 31 october unless they’re registered with a tax agent. Use the simple tax calculator to work out just the tax you owe on your taxable income for the full income year.