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Tax dates July - September 2018

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16 Oct 18

Key Tax dates for the quarter as supplied by the Australian Taxation Office

Key Tax Dates for the quarter as supplied by the Australian Taxation Office

July 2018



21 July

Lodge and pay June 2018 monthly activity statement.

Lodge and pay 2017–18 quarter 4PAYG instalment activity statement for head companies of consolidated groups.

28 July

Lodge and pay quarterly activity statement for quarter 4, 2017–18 – paper.

Pay quarterly instalment notice (form R, S or T) for quarter 4, 2017–18. Lodgment is only required if you vary the instalment amount.

Employers must make super guarantee contributions for quarter 4, 2017–18 to the funds by this date.

Employers who do not pay minimum super contributions for quarter 4 by this date must pay the super guarantee charge and lodge a Superannuation guarantee charge statement – quarterly(NAT 9599) with us by 28 August 2018.

Note:The super guarantee charge is not tax deductible

31 July

Lodge TFN report for closely held trusts for TFNs quoted to a trustee by beneficiaries in quarter 4, 2017–18.

Lodge Venture capital deficit tax return for June balancers.

Lodge Franking account return for 30 June balancers when there is an amount payable.

August 2018



14 August

Lodge the PAYG withholding payment summary annual report for:

  • large withholders whose annual withholding is greater than $1 million
  • payers who have no tax agent or BAS agent involved in preparing the report.


21 August

Lodge and pay July 2018 monthly activity statement.

25 August

Lodge and pay quarterly activity statement for quarter 4, 2017–18 – tax agents and BAS agents – if you are lodging using:

  • electronic lodgment service (ELS)
  • electronic commerce interface (ECI)
  • Tax Agent Portal
  • BAS Agent Portal
  • practitioner lodgment service (PLS).


28 August

Lodge the Superannuation guarantee charge statement – quarterly and pay the super guarantee charge for quarter 4, 2015–16 if the employer did not pay enough contributions on time.

Employers who lodge 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 will still have to pay the remaining super guarantee charge to us.

Note:The super guarantee charge is not tax deductible

For help working out the super guarantee charge and preparing the Superannuation guarantee charge statement – quarterly,use our Super guarantee charge statement and calculator tool.

Lodge Taxable payments annual report– building and construction industry.

September 2018



21 September

Lodge and pay August 2018 monthly activity statement.

30 September

Lodge the PAYG withholding payment summary annual report for payers whose registered agent (BAS agent or tax agent) helped prepare the report.

If a payer has only closely held payees and their tax agent helps prepare their report, they may be eligible for a concession to lodge this report by the due date of their tax return.

Lodge Annual TFN withholding report 2018 when a trustee of a closely held trust has been required to withhold amounts from payments to beneficiaries.


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