
Key Dates for September
Date Category Description
21 Sept 2025 Activity Statements Due date to lodge and pay monthly activity statements for August 2025. Tax obligations that may be payable include:
GST, wine equalisation tax and luxury car tax PAYG withholding for August 2025 PAYG instalment for August 2025
30 Sept 2025 PAYG withholding Due date for small and medium withholders (total annual PAYG withholding $1m or less) to lodge the PAYG payment summary statement for the year to 30 June 2025
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30 Sept 2025 TFN Reporting Due date for trustees of closely held trusts to lodge the Annual TFN withholding report for the year to 30 June 2025 if amounts have been withheld from payments to beneficiaries.
