Date	Category	Description
21 Mar 2019	Activity statements	Due date to lodge and pay monthly activity statements for February 2019. Tax obligations that may be payable include: GST, wine equalisation tax and luxury car tax for February 2019. PAYG withholding for February 2019 (medium withholders). PAYG instalment for February 2019 for monthly PAYG instalment payers (corporate tax entities with instalment income (as defined) above $100 million).
31 Mar 2019	Income tax returns	Due date, unless due earlier, for companies and super funds with total income in excess of $2 million in the latest year lodged (excluding large/medium entities).to lodge 2017/18 income tax returns and pay income tax.
31 Mar 2019	Income tax returns	Due date, unless due earlier, for head companies of consolidated groups without a member deemed to be a large/medium entity in the latest year lodged, but with a member that had total income in excess of $2 million in the latest year lodged, to lodge 2017/18 income tax returns and pay income tax.
31 Mar 2019	Income tax returns	Due date for individuals and trusts whose latest return resulted in a tax liability of $20,000 or more (level 6), excluding trusts that are large/medium entities, to lodge 2017/18 income tax returns. The due date for entities in this category to pay income tax is the date stated on their notice of assessment.

NOTE:

• As some dates may vary, please ensure you contact the Australian Taxation Office to double check any dates in question.
• When the due date for lodgment or payment falls on a Saturday, Sunday, or public holiday, it may be done on the next business day.