Key Lodgement Dates September 2025

Information for registered agents about preparing and lodging tax statements and returns due in September 2025.

21 September

• Lodge and pay August 2025 monthly business activity statement.

30 September

• Lodge PAYG withholding payment summary annual report if prepared by a BAS agent or tax agent, excluding large withholders whose annual withholding is greater than $1 million.
• Lodge Annual TFN withholding report 2025  if a trustee of a closely held trust has been required to withhold amounts from payments to beneficiaries.