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How to file deductions in MyTax

You can file travel expenses, a credit for household expenses, expenses for the production of income, a deduction for second home for work or a credit due to maintenance obligation for your tax card or for your pre-completed tax return in MyTax.

  • If you file a deduction for your tax card, you will benefit from it immediately.
  • If you file a deduction but do not want your tax card to be changed, the deduction will be pre-populated on your next tax card request and pre-completed tax return.

Another alternative is that you do not file the information for your pre-completed tax return until after you have received the tax return for checking.

Go to MyTax and log in (opens in a new window)

1. First select the appropriate instructions

2. Select instructions on the deduction you want to file

3. Preview and send

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Page last updated 3/5/2025