Tax Insights

The date is drawn from Practical Compliance Guideline PCG 2026/1, which the ATO issued on 28 January 2026. A practical compliance guideline is ATO guidance on how the Tax Office will apply its compliance resources. It is not legislation.

Employers who fall behind on super now face a rebuilt super guarantee charge, with interest set at the ATO's general interest charge rate, an administrative uplift the ATO says starts at 60%, and a late payment penalty that cannot be remitted. The first quarter …

Employers have been receiving ATO letters warning they may have underpaid super guarantee in quarters going as far back as September 2021, with one restructuring adviser describing them as "a demand for payment". The letters, reported by Accountants Daily on 22 September, ask employers …

Taxpayers who pay PAYG instalments as a set amount each quarter will find this year's figure has been lifted by 5%. The ATO has confirmed that "the GDP adjustment for the 2026–27 income year is 5%", up from 4% in 2025–26. The increase matters …

The Income Tax Assessment (Cents per Kilometre Deduction Rate for Car Expenses) Determination 2026 took effect on 1 July 2026. It combines an indexed base rate of 89 cents with a temporary two-cent adjustment reflecting fuel-price conditions during the March 2026 quarter. That extra …

The increase appears in Schedule 5 of the Treasury Laws Amendment (Delivering an Efficient and Trusted Tax System) Act 2026, which received royal assent on 30 June 2026. Its application to 2025–26 assessments means the higher limits are already relevant to returns being processed. …

The change is in Schedule 1 of the Treasury Laws Amendment (Delivering an Efficient and Trusted Tax System) Act 2026. The Act received royal assent on 30 June 2026 and is Act No. 58 of 2026, so the change is now law and no …