Key dates - December 2016
1 December
Income tax payment due date for companies that were taxable medium to large clients in the immediate prior year. Income tax lodgement date for non full assessment company entities. Payment date is as per the notice of assessment.
Income tax payment due date for companies that were required to lodge by 31 October.
21 December
November monthly activity statements – final date for lodgment and payment.
Source: Australian Taxation Office – 1 July 2016