Key Dates

February 2018

Date Obligation
21 February Lodge and pay December 2017 monthly business activity statement for business clients with up to $10 million turnover who report GST monthly and lodge electronically.
Lodge and pay January 2018 monthly activity statement.
Lodge tax return for non-taxable large/medium entities as per the latest year lodged (except individuals).
Payment (if required) for companies and super funds is also due on this date. Payment for trusts in this category is due as per their notice of assessment.
Lodge tax returns for new registrant (taxable and non-taxable) large/medium entities (except individuals).
Payment (if required) for companies and super funds is also due on this date. Payment for trusts in this category is due as per their notice of assessment.
Lodge tax return for non-taxable head company of a consolidated group, including a new registrant, that has a member who has been deemed a large/medium entity in the latest year lodged.
Lodge tax return for any member of a consolidated group who exits the consolidated group for any period during the year of income.
Lodge tax return for large/medium new registrant (non-taxable) head company of a consolidated group.
Lodge and pay Self-managed superannuation fund annual return (NAT 71226) for new registrant (taxable and non-taxable) SMSF, unless they have been advised of a 31 October 2017 due date at finalisation of a review of the SMSF at registration.
28 February Note: There are special arrangements for newly registered SMSFs that do not have to lodge a return – see Super lodgment.
Lodge and pay quarter 2, 2017–18 activity statement for all lodgment methods.
Pay quarter 2, 2017–18 instalment notice (form R, S or T). Lodge the notice only if you vary the instalment amount.
Annual GST return – lodge (and pay if applicable) if the taxpayer does not have a tax return lodgment obligation.
If the taxpayer does have a tax return obligation, this return must be lodged by the due date of the tax return.
Lodge and pay quarter 2, 2017–18 Superannuation guarantee charge (SGC) statement – quarterly if the employer did not pay enough contributions on time.
Employers lodging a Superannuation guarantee charge statement – quarterly can choose to offset contributions they paid late to a fund against their super guarantee charge for the quarter. They still have to pay the remaining super guarantee charge.
Note: The super guarantee charge is not tax deductible.
Use our Super guarantee charge statement and calculator tool to work out the super guarantee charge and help prepare the Superannuation guarantee charge statement – quarterly.

March 2018

Date Obligation
21 March Lodge and pay February 2018 monthly activity statement.
Lodge tax return for companies and super funds with total income of more than $2 million in the latest year lodged (excluding large/medium taxpayers), unless the return was due earlier.
Payment for companies and super funds in this category is also due by this date.
31 March Lodge tax return for the head company of a consolidated group (excluding large/medium), with a member who had a total income in excess of $2 million in their latest year lodged, unless the return was due earlier.
Payment for companies in this category is also due by this date.
Lodge tax return for individuals and trusts whose latest return resulted in a tax liability of $20,000 or more, excluding large/medium trusts.
Payment for individuals and trusts in this category is due as advised on their notice of assessment.

April 2018

Date Obligation
21 April Lodge and pay quarter 3, 2017–18 PAYG instalment activity statement for head companies of consolidated groups.
Lodge and pay March 2018 monthly activity statement.
Lodge and pay quarter 3, 2017–18 activity statement if lodging by paper.
Pay quarter 3, 2017–18 instalment notice (form R, S or T). Lodge the notice only if you are varying the instalment amount.
28 April Make super guarantee contributions for quarter 3, 2017–18 to the funds by this date.
Employers who do not pay minimum super contributions for quarter 3 by this date must pay the super guarantee charge and lodge a Superannuation guarantee charge statement – quarterly (NAT 9599) by 28 May 2018.
Note: The super guarantee charge is not tax deductible.
30 April Lodge TFN report for closely held trusts if any beneficiaries quoted their TFNs to trustees in quarter 3, 2017–18.
Lodge lost members report for the period 1 July 2017 to 31 December 2017.

May 2018

Date Obligation
15 May Lodge 2017 tax returns for all entities that did not have to lodge earlier (including all remaining consolidated groups), and are not eligible for the 5 June 2018 concession.
Due date for companies and super funds to pay if required.
Note: Individuals and trusts in this category pay as advised on their notice of assessment.
Lodge and pay April 2018 monthly activity statement.
21 May Final date to add new FBT clients to your client list to ensure they receive the lodgment and payment concessions for their fringe benefits tax returns.
Lodge Fringe benefits tax annual return (if lodging by paper).
26 May Lodge and pay eligible quarter 3, 2017–18 activity statements if you lodge electronically.
Pay Fringe benefits tax annual return.
Lodge and pay quarter 3, 2017–18 Superannuation guarantee charge statement – quarterly (NAT 9599) if the employer did not pay enough contributions on time.
28 May Employers lodging a Superannuation guarantee charge statement – quarterly (NAT 9599) can choose to offset contributions they paid late to a fund against their super guarantee charge for the quarter. They still have to pay the remaining super guarantee charge.
Note: The super guarantee charge is not tax deductible.
Use our Super guarantee charge statement and calculator tool to work out the super guarantee charge and to help prepare the Superannuation guarantee charge statement – quarterly.

June 2018

Date Obligation
5 June Lodge tax return for all entities with a lodgment due date of 15 May 2018 if the tax return is not required earlier and both of the following criteria are met:
non-taxable or a credit assessment in latest year lodged
non–taxable or receiving a credit assessment in the current year.
Note: This includes companies and super funds, but excludes large/medium taxpayers and head companies of consolidated groups.
Lodge tax returns due for individuals and trusts with a lodgment due date of 15 May 2018 provided they also pay any liability due by this date.
Note: This is not a lodgment due date but a concessional arrangement where failure to lodge on time (FTL) penalties will not apply if you lodge and pay by this date.
21 June Lodge and pay May 2018 monthly activity statement.
25 June Lodge 2018 Fringe benefits tax annual return for tax agents (if lodging electronically). Payment (if required) is due 28 May.
30 June Super guarantee contributions must be paid by this date to qualify for a tax deduction in the 2017–18 financial year.

This list of key dates is not comprehensive – it is a guide only. Events or timelines may change. Unless otherwise stated, the due dates provided are for 30 June balancers only.

When a due date falls on a Saturday, Sunday or public holiday, you can lodge or pay on the next business day.

The payment due dates for a tax return are determined by client type, the lodgment due date and when the return is lodged.

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