April 2026

7 April 2026
March 2026 monthly payroll tax returns due (applies to all states)
21 April 2026
Monthly BAS for March due (if lodging monthly)
28 April 2026
Q3 BAS (January–March) due (if lodging quarterly)
28 April 2026
Superannuation guarantee contributions for Quarter 3 (January to March) are due. If contributions are paid late or not paid in full, pay the superannuation guarantee charge and lodge a Superannuation Guarantee Charge statement by 28 August.