28 February (Q2 deadline is extended from 28 January to allow for the holiday period).

Quarterly BAS — Q2 (Oct–Dec)

Business Activity Statement covering October to December. Reports GST, PAYG withholding, PAYG instalments and FBT instalments for the quarter.

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Who this applies to

  • All GST-registered businesses
  • Employers with PAYG withholding
  • Companies with PAYG instalments

What to file

Standard BAS form including GST, PAYG W/H and PAYG instalment fields.

How to file

Via ATO Online Services or accounting software.

Payment due

28 February — same date as the BAS.

Penalties for missing this deadline

FTL penalty 1 unit (A$330) per 28 days late, max 5 units. GIC on unpaid amounts.

Filing checklist

  • Account for any holiday season GST adjustments
  • Reconcile to bank statements through 31 December
  • Lodge and pay by 28 February
  • Confirm FBT year (1 April – 31 March) impacts on FBT instalments

Never miss a Australia deadline

AccountsOS tracks every Australian Taxation Office (ATO) and ASIC (Australian Securities and Investments Commission) deadline and reminds you weeks ahead.

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