N
The Global Insight

How far back can the ATO investigate?

Author

James Williams

Updated on March 13, 2026

five years
At worst, the ATO will order an audit on your tax affairs – not just for the current year, but up to five years.

How far back can the IRS request records?

Generally, the IRS can include returns filed within the last three years in an audit. If we identify a substantial error, we may add additional years. We usually don’t go back more than the last six years. The IRS tries to audit tax returns as soon as possible after they are filed.

How do I check the status of an old tax return?

You can call 1-800-829-1040 and follow the prompts for a live representative. The person that you speak with will have direct access to your tax return and be able to provide you with a status update. Tip: Request a tracking number when mailing your return.

What happens if you haven’t done your taxes in 3 years?

If You Are Due a Refund If you don’t file within three years of the return’s due date, the IRS will keep your refund money forever. It’s possible that the IRS could think you owe taxes for the year, especially if you are claiming many deductions. The IRS will receive your W-2 or 1099 from your employer(s).

How do I check my stimulus status?

Eligible individuals can visit IRS.gov and use the Get My Payment tool to find out the status of their Economic Impact Payment. This tool will show if a payment has been issued and whether the payment was direct deposited or sent by mail.

How to file a federal tax return for 2013?

In order to file a 2013 IRS Tax Return, download, complete, print and sign the 2013 IRS Tax Forms below and mail the forms to the address listed on the IRS and State Forms. Select your state (s) and download, complete, print and sign your 2013 State Tax Return income forms. You can no longer claim a 2013 Tax Refund.

How to lodge an individual tax return for 2013?

To lodge your 2013 tax return by mail, you can use the paper Tax return for individuals and the Individuals tax return instructions. If you do not need to lodge a tax return for the 2012–13 income year, you will need to notify us of this. For more information, refer to Non-lodgment advice 2012–13.

Can you still claim a tax refund from 2013?

You can no longer claim a 2013 Tax Refund. Need to change or amend a 2013 Federal Income Tax Return or State Return? Download IRS Tax Amendment Form 1040X and mail it in any time. Pick one or more States and download the associated State Tax Amendment Form(s) and complete and mail them in.

Do you have to file tax return for 2012-13?

This will affect you if any of the following applied in 2012–13: you conducted a business activity that resulted in a loss. This information may not apply to the current year. Check the content carefully to ensure it is applicable to your circumstances.