For help in completing your return, you can use help by line, contextual help or the guide and schedules to the income tax return.
You can use our online services and forms to make changes to an income tax return that has already been filed (for example, to claim a refund for a previous year). You can also use them to rectify your tax situation by making a voluntary disclosure.
You can file your income tax return either online, through NetFile Québec or My Account, or by mail.
There are several ways to pay a balance of income tax due or receive an income tax refund, whether it is further to receiving a notice of assessment or at any other time.