15 May 2024
- Lodge 2023 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.
21 May 2024
- Lodge and pay April 2024 monthly business activity statement.
26 May 2024
- Lodge and pay eligible quarter 3, 2023–24 activity statements if you or your client have elected to receive and lodge electronically.
28 May 2024
- Lodge and pay quarter 3, 2023–24 Superannuation guarantee charge statement if the employer did not pay enough contributions on time.