- Pay income tax for taxable large/medium taxpayers, companies and super funds. Lodgment of return is due 15 January 2019.
- Pay income tax for the taxable head company of a consolidated group with a member deemed to be a large/medium taxpayer in the latest year lodged. Lodgment of return is due 15 January 2019.
- Pay income tax for companies and super funds when lodgment of the tax return was due 31 October 2018.
- Lodge and pay November 2018 monthly business activity statement.