5 Sept
- Employer deductions payment due for 16 to 31 August for large employers.
22 Sep
- Employer deductions payment due for 1 to 15 September for large employers.
- Employer deductions payment due for August for small to medium employers.
29 Sep
- Your GST return and payment is due for the taxable period ending 31 August.
- AIM instalments are due if you file GST monthly and have a March balance date.
30 Sep
- Overseas-based student loan repayment due if you do not have a temporary repayment suspension.