Yes, you can make changes to a filed tax return by filing an adjustment. You will need to wait until you’ve received your Notice of Assessment (NOA), then you can amend and claim the Employment Expenses for working at home due to COVID. You can claim $2 for each day that you worked at home during that period, plus any other days you worked at home in 2020 due to COVID-19, up to a maximum of $400.
The way you file your adjustment depends on how your original tax return was filed, and whether it was a federal or Québec return. Please click the below link for the instructions on filing adjustments for both scenarios:
For more information about the eligibility to claim employment expenses due to COVID-19, please refer to the links of Turbo Tax Support below:
Please refer to the link below for more instruction on where you can claim your employment expenses in the online edition of TurboTax:
Please feel free to contact us if you need any further support.