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Paying back taxes

If too little tax has been withheld, you'll have back taxes to pay once your tax assessment is complete. This guide explains where to see the amount and due dates, how to pay in instalments and how to stop it happening again.

You will need

Steps

  1. Check your tax decision

    Log in to MyTax and open your tax decision. See how much back tax there is and what caused it, for example side income, rental income or too low a withholding rate.

  2. Find out the due dates

  3. Pay with the right reference

  4. Apply for a payment arrangement if needed

  5. Note the late payment interest

  6. Check for errors

  7. Correct your withholding rate

  8. Make an additional prepayment

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