The following are the important ATO dates for this month. As per ATO Dates – May 2026

2 May

Activity statements

  • Quarter 3 (January–March) activity statements lodged electronically – final date for lodgment and payment

15 May

Not-for-profit (NFP) income tax returns

Final date for taxable NFPs to either lodge an income tax return, or submit a non-lodgment advice form.

  • Taxable NFPs automatically receive this concessionary due date.

21 May

Fringe benefits tax (FBT)

  • Lodgment due date for your FBT return – for 2021, if you prepare your own return you can lodge by 25 June without incurring late lodgment penalties.
  • Final date to pay when you prepare your own FBT return.
  • If your tax agent is preparing your FBT return, different dates may apply.

Activity statements

  • April monthly activity statements – final date for lodgment and payment.

28 May

Superannuation for quarter 3, 2026

  • Lodge and pay quarter 3 (1 January – 31 March 2026) Superannuation guarantee charge (SGC) statement if you did not pay your contributions on time for this quarter to avoid additional penalties.
  • For payments received before 30 June 2026, you can choose to offset quarterly contributions you’ve paid late to a fund for each employee against the super guarantee charge for quarter 3 or earlier.
  • The quarterly super guarantee charge is more than the super guarantee contributions you would have otherwise paid to the employee’s fund and is not tax deductible.
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