15 May

• Lodge 2020 tax returns for all entities that did not have to lodge earlier (including all remaining consolidated groups), and are not eligible for the 5 June concession.
  
  Due date for companies and super funds to pay if required.
  
  Note: Individuals and trusts in this category pay as advised on their notice of assessment.

21 May

• Lodge and pay April 2021 monthly business activity statement.
• Final date to add new FBT clients to your client list to ensure they receive the lodgment and payment concessions for their fringe benefits tax returns.
  
  Lodge and pay Fringe benefits tax annual return if lodging by paper.

26 May

• Lodge and pay eligible quarter 3, 2020–21 activity statements if you or your client have elected to receive and lodge electronically.

• Lodge and pay quarter 3, 2020–21 Superannuation guarantee charge statement - quarterly. If the employer did not pay enough contributions on time.
• Employers who lodge Suerannaiton guarantee charge statment - quarterly can choose to offset contributions they paid late to a fund against their super guarantee charge for the quarter. They still have to pay the remaining super guarantee charge. Note: The super guarantee charge is not tax deductible.