On April 15, 2021, Revenu Quebec announced the following deadline relief:
Revenu Quebec confirms that it will not impose any penalty or interest on citizens who file their income tax return or who pay their tax balance after the deadline of April 30, 2021, but no later than May 31, 2021. This new flexibility measure aims to simplify life for Quebecers who have been affected by the COVID-19 crisis .
The deadline for filing the income tax return and paying the balance of taxes for the 2020 tax year remains Friday, April 30, 2021, at 11:59 p.m. However, no late filing penalty will be applied to citizens who are not able to meet this deadline and no interest will be charged on a 2020 tax balance for the period from 1 st to May 31, 2021.