ATO LODGMENT DATES
These dates are from the ATO website and do not account for possible extensions.
You remain responsible for ensuring that the necessary information is with them 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:
Monthly IAS
Due 21st of the following month
BAS Quarterly Lodgements
Final dates for lodgements and payments:
1st Quarter New Financial Year:
September Quarter (incl. PAYGI)
28 October
2nd Quarter Financial Year:
December Quarter (incl. PAYGI)
28 February
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:
1st Quarter Financial Year:
July to September – contributions must be in the fund by 28 October
2nd Quarter Financial Year:
October to December – contributions must be in the fund by 28 January
Late payments of superannuation are not tax deductible. If your business has overdue