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Pre-filling service

See how the ATO's pre-filling service helps to ensure the accuracy of your clients' tax returns.

Last updated 2 June 2025

ATO pre-filling data is available for tax returns from 1 July as we receive it, with most available by late-July.

Find out what ATO pre-fill information is not available and how to correct discrepancies.

Check for known data issues with ATO pre-filling reports for multiple years.

How to access ATO pre-filling reports from 2009 to the current year.

QC34103