The Australian Taxation Office has announced the following key dates to look out for in April 2026.

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21 April

Lodge and pay March 2025 monthly business activity statement.

28 April

Lodge and pay quarter 3, 2025–26 activity statement if lodging by paper.

Pay quarter 3, 2025–26 instalment notice (form R, S or T). Lodge the notice only if you are varying the instalment amount.

Make super guarantee contributions for quarter 3, 2025–26 to the funds by this date.

• Note: Employers who do not pay minimum super contributions for quarter 3 by this date must pay the super guarantee charge and lodge a Superannuation guarantee charge statement by 28 May 2026.

30 April

Lodge TFN report for closely held trusts if any beneficiary quoted their TFN to a trustee in quarter 3, 2025–26.