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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 18 June 2015

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 and have not changed.

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

The estimate includes any compulsory Higher Education Loan Program (HELP), Financial Supplement, or Trade Support Loan repayments you have to make.

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

  • it involves complex calculations, 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
  • 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.