The Australian Taxation Office has announced the following key dates to look out for in December 2025.
1 December
Pay income tax for taxable large and medium taxpayers, companies and super funds. Lodgment of return is due 31 January 2026.
Pay income tax for companies and super funds when lodgment of the tax return was due 31 October 2025.
21 December
Lodge and pay November 2025 monthly business activity statement.
Please contact your DFKBKM Representative to review your tax return due date.