ATO logo

Don’t miss your tax return deadline

Small businesses lodging their own tax return need to lodge before 31 October.

Published 1 October 2026

If you carried on a business (as an individual) during the financial year, you'll need to lodge a tax return - even if your business made a loss.

When lodging your own business tax return, make sure you lodge by 31 October. If you need more time, you may be able to access extended lodgment dates through a registered tax practitionerExternal Link, provided you engage them before 31 October.

Get your tax return ready

Before lodging, check that you've:

Having accurate records can help you lodge with confidence and avoid mistakes.

New TPAR pre-fill available

If you're a sole trader or contractor providing services under the Taxable payment reporting system (TPRS), payments reported to us through a Taxable payments annual report (TPAR) are now pre-filled in your tax return.

Most TPAR information should now be available, making it easier to include all related assessable income in your return. Remember to review any pre-filled information carefully and add any income that isn't included.

Access free resources

To help you navigate tax time, explore our Tax Time toolkit for small business. It brings together practical information, tools, calculators and a range of Small business guides in one convenient place, making it easier to prepare, lodge and stay on track this tax time and throughout the year.

Build your confidence in managing small business obligations by participating in our interactive small business masterclasses. You can also increase your understanding of tax and super obligations through our free, self-paced courses at Essentials to strengthen your small businessExternal Link.

Keep up to date

We have tailored communication channels just for small businesses – so you’ll always be up to date with the latest information and changes relevant to you.

Explore more articles in our Small business newsroom.

Subscribe to our free:

QC108122