May 2026

7 May

• Payroll tax returns due

15 May

• Company income tax returns due
• Partnership & Trust income tax returns due
• Individual tax returns via tax agent due

21 May

• Monthly BAS for Apr 2026 due
• FBT return paper lodgment due

28 May

• FBT return electronic lodgment due

Note: If ATO due date falls on a weekend, the due date is the next business day.