Corporate tax entities with an aggregated turnover of less than $5 billion can carry back a tax loss for the 2019–20, 2020–21 and 2021–22 income years and apply it against tax paid in a previous income year as far back as the 2018–19 income year.

The loss carry back tax offset is claimable only in the 2020–21 and 2021–22 income tax returns.

21 March 2021
– Lodge and pay February 2021 monthly business activity statement.

31 March 2021
– Lodge tax return for companies and super funds with total income of
more than $2 million in the latest year lodged, unless the return was due
earlier.
– Lodge tax return for the head company of a consolidated group.
– Lodge tax return for individuals and trusts whose latest return resulted in
tax liability of $20,00 or more.

21 April 2021
– Lodge and pay Quarter 3, 2020-201 PAYG Instalment Activity Statement for
head companies of consolidated group.
– Lodge and pay March 2021 monthly business activity statement.