The following are the important ATO dates for this month. As per ATO Dates – August 2026

14 August

Lodge 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 2026 monthly business activity statement.

25 August

Lodge and pay quarter 4, 2025–26 activity statement if you lodge electronically.

28 August

Lodge and pay quarter 4, 2025–26 Superannuation guarantee charge statement – quarterly form if the employer did not pay contributions on time and in full for this quarter.

Note: Employers who lodge a Superannuation guarantee charge statement – quarterly form can’t offset contributions they paid late to a fund against their super guarantee charge for the quarter. They have to pay the full super guarantee charge.

Lodge Taxable payments annual report (TPAR).

Note: The TPAR tells us about payments that are made to contractors for providing services. Some government entities also need to report the grants they have paid in a TPAR.

Important: The information contained in this post / article is not advice. Readers should not act solely on the basis of material contained in this post. Items herein are general comments only and do not constitute or convey advice per se. We recommend that our formal advice be sought before acting on anything contained in this post.