Australian Tax Calendar
Stay ahead of your obligations with our comprehensive guide to key ATO dates for small businesses, sole traders, and employers.
Mar 2026
February Monthly BAS
Lodge and pay February monthly business activity statement.
Tax Return (Income > $2m)
Lodge tax return for companies and super funds with total income > $2m.
Tax Return (Head Co > $2m)
Lodge tax return for head company of consolidated group (member income > $2m).
Tax Return (Liability > $20k)
Lodge tax return for individuals and trusts with tax liability of $20,000 or more.
Apr 2026
March Monthly BAS
Lodge and pay March monthly business activity statement.
Q3 PAYG Instalment (Head Co)
Lodge and pay Quarter 3 PAYG instalment activity statement for head companies.
March Quarter BAS (Paper)
Lodge and pay Quarter 3 activity statement if lodging by paper.
Q3 PAYG Instalment Notice
Pay Quarter 3 instalment notice (Form R, S, or T). Lodge only if varying.
Super Guarantee (Q3)
Make super guarantee contributions for Quarter 3 to funds.
Super Guarantee (Q3)
Super guarantee contributions for quarter 3 (January–March) are due.
TFN Report (Closely Held Trusts Q3)
Lodge TFN report for closely held trusts if any beneficiary quoted their TFN in Q3.
Lost Members Report
Lodge lost members report for the period 1 July to 31 December.
May 2026
Company Tax Return (Agent)
Lodge 2025 tax returns for all entities that did not lodge earlier.
April Monthly BAS
Lodge and pay April monthly business activity statement.
Fringe Benefits Tax Return (Paper)
Lodge and pay Fringe benefits tax annual return if lodging by paper.
March Quarter BAS (Electronic)
Lodge and pay Quarter 3 activity statement if lodging electronically.
Super Guarantee Charge (Q3)
Lodge and pay if you did not pay minimum super contributions for Q3 by due date.
Jun 2026
Tax Return (Concessional)
Lodge tax return for entities (non-taxable/credit) with due date 15 May.
May Monthly BAS
Lodge and pay May monthly business activity statement.
Fringe Benefits Tax Return (Electronic)
Lodge and pay Fringe benefits tax annual return if lodging electronically.
Super Guarantee Contributions (Deduction)
Pay super guarantee contributions to qualify for tax deduction in current FY.
Jul 2026
June Monthly BAS
Lodge and pay June monthly business activity statement.
Super Guarantee (Q4)
Super guarantee contributions for quarter 4 (April–June) are due.
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Tax Obligations
Understand your core responsibilities. Deadlines are automatically calculated based on the current financial year.
BAS & IAS
Business Activity Statements (BAS) report GST, PAYG installments, and other taxes. Most small businesses lodge quarterly.
No upcoming deadlines found for this financial year.
Super Guarantee
Superannuation must be paid to eligible employees' funds at least quarterly. Missed payments attract the Super Guarantee Charge.
No upcoming deadlines found for this financial year.
Income Tax
Annual tax return for your business structure (Sole Trader, Company, Trust, or Partnership). Dates vary by entity type.
No upcoming deadlines found for this financial year.
Fringe Benefits Tax
FBT is a tax on certain benefits you provide to your employees or their associates. The FBT year runs 1 April to 31 March.
No upcoming deadlines found for this financial year.
Common Questions
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