These dates are from the ATO website and do not take into account possible extensions.

Your business remains responsible for ensuring that the necessary information is lodged on time.

See ATO Due dates by month to check monthly lodgment and payment dates.

BAS/IAS Monthly Lodgements
Final dates for lodgements and payments:

March Activity Statement: 21 April 2022

April Activity Statement: 21 May 2022

BAS Quarterly Lodgements
Final dates for lodgements and payments:

3rd Quarter 2022 Financial Year:
March Qtr (incl. PAYGI)
28 April, 2022

4th Quarter 2022 Financial Year:
June Qtr (incl. PAYGI)
28 July, 2022

When a due date falls on a Saturday, Sunday or Public Holiday*, you can lodge or pay on the next business day.

*A day that is a public holiday for the whole of any state or territory in Australia.

Due date for super guarantee contributions:

3rd Quarter 2022 Financial Year:
January to March 2022 FY – contributions must be in the fund by 28 April, 2022

4th Quarter 2022 Financial Year:
April to June 2022 FY – contributions must be in the fund by 28 July, 2022

Late payments of superannuation are not tax deductible.

Source: The Institute of Certified Bookkeepers, Vol 13 Issue 9, March 2022