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Tax estimate – important information

How to understand your myTax estimate and why it may differ from your final assessment.

Last updated 11 June 2017

Your tax estimate is based on the information in your tax return. This includes information you have provided and information that has been pre-filled that you consider is correct.

If you have not completed all your information, myTax will still show you an estimate based on the information currently in your tax return.

To see how your tax estimate was calculated, click on 'More details' below the estimate.

The myTax calculation is an estimate only and the final balance of your assessment may differ from the estimate when:

  • it involves complex calculations (for example income averaging), or
  • we receive information that affects the balance of your assessment.

These include situations where you:

  • received an employment termination payment
  • received an Australian superannuation lump sum payment
  • had excess concessional superannuation contributions
  • had excess non-concessional superannuation contributions
  • are entitled to use your spouse’s unused seniors and pensioners tax offset
  • have requested the ATO to calculate the deductible amount of your undeducted purchase price of a foreign pension or annuity
  • received credit for tax paid by a trustee
  • have a credit or debit balance with the ATO
  • have a debt with Services Australia or other Australian Government department
  • are lodging the return late
  • have a Higher Education Loan Program (HELP) debt and you are eligible for the HECS-HELP benefit 
  • are entitled to a Government super contribution
  • have amounts where rounding rules apply.

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