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  • How self-assessment affects most individuals



    This information may not apply to the current year. Check the content carefully to ensure it is applicable to your circumstances.

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    Self-assessment means the Australian Taxation Office (ATO) uses the information you give in your tax return to work out your refund or tax bill. You are required by law to make sure you have shown all your assessable income and claimed only the deductions and rebates to which you are entitled.

    Last modified: 18 Sep 2009QC 18323