Filing your income tax and benefit return each year is what you need to do to receive any benefit and credit payments you're entitled to. Sometimes after you file, you realize you made a mistake or forgot to include something important. If this happens to you, don’t worry. It’s easy to change your tax return.

If you need to change your tax return, you can do so after filing. Once you have your notice of assessment (NOA), you can make a change. For faster service, submit your change request online.

Worried about tax-filing season? Don’t be! Our easy-to-use digital services can improve the filing process and save you time. Using our services will also make it easier for you to manage your tax and benefit information online, and you’ll avoid delays and long wait times over the phone.

If you need to change your income tax and benefit return, you can do so at any time. We suggest you wait until you receive your notice of assessment (NOA) before making a change to your return. There may be delays in some taxpayers receiving a paper NOA. This will not affect you receiving your refund. In the absence of a paper NOA, you can access a copy in My Account.

Worried about tax-filing season? Don’t be! Our easy-to-use digital services can improve the filing process and save you time. Using our services will make it easier for you to manage your tax and benefit information. You’ll also avoid delays and long wait times over the phone during tax season.