You can claim the Flat Rate for working from home due to COVID in every version of TurboTax. To do so please see this FAQ from TurboTax and select which software you are using for how-to instructions.
Employment Expenses Tax Info Centre
CRA allows all employees who worked from home during the COVID-19 pandemic in 2020 to claim up to $400 in employment expenses at a flat rate as a tax deduction.
For the flat rate method to be activated in TurboTax Online, you enter your T4 and scroll down to the bottom where you will be asked: Will you claim employment expenses for working at home due to COVID-19 for income on this T4? NEW! Please say YES to this question.
You will then click on Employment Expenses found lower in the menu on the left side of the screen. On the Employment Expenses Profile page, check the option: I didn't receive either form from my employer. On the next screen Check the flat rate method and enter the number of days you worked from home.
For more information, please follow the following links:
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