The Lodgement Deadline will be displayed on the Lodgements page. You have until 11:59pm on this date to submit the form to ASIC, after this time, late fees will be incurred.
For example, the below Lodgement Deadline is 17/01/2023, therefore you have until 11:59pm 17/01/2023 to lodge this document to ASIC without incurring a late fee:
If you would like to request a late fee waiver, you will need to contact ASIC - https://asic.gov.au/for-business/payments-fees-and-invoices/fee-waivers/