Home / Important Dates / January 2027

January 2027

21 January

  • Lodge and pay quarter 2, 2026–27 PAYG instalment activity statement for head companies of consolidated groups.
  • Lodge and pay December 2026 monthly business activity statement (excludes certain GST monthly filers).

31 January

  • Lodge TFN report for closely held trusts, where a beneficiary provided their TFN in quarter 2, 2026–27.
  • Lodge tax return for taxable large and medium entities, per the latest year lodged.
  • Payment: 1 December 2026 for companies/super funds in this category; per the notice of assessment for trusts.
  • Lodge tax return for the taxable head company of a consolidated group with a qualifying member.

Note: the ATO states that requests to defer beyond this date will be escalated for manual assessment as an ATO assessed deferral.