5 June 2021
Lodge tax return for all entities with a lodgement due date of 15 May 2021 if the tax return is not required earlier
21 June 2021
Lodge and pay May 2021 monthly business activity statement
25 June 2021
Lodge and pay 2021 Fringe Benefits Tax annual return
30 June 2021
Super guarantee contributions must be paid by this date to qualify for a tax deductions in the 2020-21 financial year.