5 June 2023

• Lodge tax return for all entities with a lodgment due date of 15 May 2023 if the tax return is not required earlier and both of the following criteria are met:
  – non-taxable or a credit assessment in latest year lodged
  – non-taxable or receiving a credit assessment in the current year
  

21 June 2023

• Lodge and pay May 2023 monthly business activity statement.
  

25 June 2023

• Lodge and pay 2023 Fringe Benefits Tax annual return for tax agents if lodging electronically.
  

30 June 2023

• Super guarantee contributions must be paid by this date to qualify for a tax deduction in the 2022–23 financial year.