Due date for all entities otherwise required to lodge on 15 May 2018 (excluding large/medium entities and head companies of consolidated groups) to lodge 2016/17 income tax returns, where both of the following criteria are met:
non-taxable or refund for the latest year lodged, and
non-taxable or refund for 2016/17.
5 June 2018
Income tax returns
Due date for individuals and trusts otherwise required to lodge on 15 May 2018 to lodge 2016/17 income tax returns, provided they also pay any liability due by this date.
* Note that this is not a lodgement end date, but a concessional arrangement where you will not have to pay failure to lodge on time (FTL) penalties if you lodge and pay by this date.
21 June 2018
Due date to lodge and pay monthly activity statements for May 2018. Tax obligations that may be payable include:
GST, wine equalisation tax and luxury car tax for May 2018.
PAYG withholding for May 2018 (medium withholders).
PAYG instalment for May 2018 for monthly PAYG instalment payers (corporate tax entities with instalment income (as defined) above $100 million).
25 June 2018
Due date to lodge fringe benefits tax returns for the FBT year ended 31 March 2018 (if lodged electronically through a tax agent).
The due date to lodge is 28 May 2018 if lodged on paper.
The due date to pay fringe benefits tax (if required) is 28 May 2018 in all cases.
30 June 2018
End of financial year
Superannuation guarantee contributions must be paid by this date to qualify for an income tax deduction in the 2017/18 income year.