April 2026 May 2026 June 2026 July 2026 August 2026 September 2026 30 September 2026Single Touch Payroll finalisation required for closely held employees for financial year ending 30 June 2026Tax If you use a Tax or BAS agent your filing dates may be different. Contact us to find out the correct date for you.Note: If ATO due date falls on a weekend, the due date is the next business day.