If your business has fallen behind on its tax, the environment has changed - and not in your favour. The Australian Taxation Office (ATO) has made unpaid business tax debt one of its central priorities, and for company directors the risk is no longer confined to the business. It can reach your personal finances.
Here is what small business owners and directors need to understand about the current crackdown, and the practical steps that keep an ATO balance from turning into a much bigger problem.
The ATO has shifted gear on unpaid tax debt
The Commissioner of Taxation has confirmed that Australia’s total unpaid tax debt now sits at roughly $115 billion, of which about $54 billion is considered collectable. A large share of that is owed by small businesses.
For years, many businesses treated the ATO as a patient, low-cost lender - letting a BAS or income tax bill slide whenever cash was tight. The ATO has made clear those days are over. It is actively working to close the “payment gap” between the tax businesses report and the tax they actually pay, and firmer, earlier recovery action is now the norm.
The core message: the ATO does not want businesses funding day-to-day operations with GST, PAYG withholding or employee super. Those amounts are not your working capital - they are money you are holding on behalf of the ATO and your staff.
Your company structure may not protect you personally
One of the most common - and most dangerous - misconceptions we see is the belief that trading through a company fully shields the owner from the company’s tax debts.
It does not, at least not always.
Where a company fails to meet certain obligations, the ATO can transfer the liability to the director personally through the Director Penalty Notice (DPN) regime. The obligations that can trigger a DPN are:
- PAYG withholding
- GST
- Superannuation Guarantee Charge
Once a director penalty applies, the ATO can come after you personally - including issuing garnishee notices, offsetting your personal tax refunds against the debt, and taking legal recovery action.
Watch out: a “lockdown” DPN - issued where returns are lodged very late or not at all - cannot be escaped by later putting the company into administration or liquidation. The personal liability is already locked in. Lodging on time is what preserves your options.
This has become significant enough that the Tax Ombudsman recently opened a review into how the ATO administers DPNs. The trigger is the sheer volume: in the 2024-25 financial year the ATO issued more than 84,000 Director Penalty Notices - an increase of 136% in a single year - affecting directors of around 64,000 companies.
For directors, tax compliance has stopped being a purely business matter. It is now a personal financial risk.
Carrying an ATO debt now costs more than it used to
A second change quietly makes an outstanding balance more expensive to hold.
The ATO applies the General Interest Charge (GIC) to overdue tax. Historically GIC was at least tax deductible, which took some of the sting out of it. From 1 July 2025, GIC is no longer deductible.
In practice, the effective cost of leaving a balance with the ATO has risen sharply. Using unpaid tax as a de facto overdraft is now one of the most expensive forms of finance a business can pick. A payment plan can ease the cash-flow pressure, but GIC generally keeps accruing until the balance is cleared.
Lodging late to delay payment is the wrong move
When money is tight, some owners hold back a BAS or tax return because they cannot pay it yet. It is an understandable instinct, and it is also a mistake.
Lodgement and payment are two separate obligations. Even if you cannot pay in full today, lodging on time keeps you compliant, keeps any DPN exposure to the recoverable type, and keeps a payment arrangement on the table.
Letting both lodgements and payments fall behind at once is what strips away your options and invites tougher enforcement. Lodge on time, then deal with the payment side deliberately.
What the ATO can actually do to recover a debt
If a debt is ignored, the ATO has a broad recovery toolkit. Depending on the circumstances, it can:
- Issue payment demands and continue charging GIC
- Garnishee your bank accounts, or amounts your customers owe the business
- Report eligible business tax debts to credit reporting bureaus, affecting your ability to borrow
- Issue Director Penalty Notices
- Serve a statutory demand and, ultimately, pursue winding-up
Not every overdue BAS ends in enforcement. But the pattern is consistent: the earlier you engage, the more control you keep. Once recovery action begins, your choices narrow quickly.
Behind on Your ATO Obligations?
If you have an overdue BAS, an outstanding ATO balance, or you simply are not sure where your company stands, a short review now is far cheaper than waiting for a Director Penalty Notice. We help Perth business owners get on top of their position and deal with the ATO on the front foot. Book a free 15-minute call.
Book a Free Call →What to do if you already have an ATO balance
The first step is simply knowing where you stand. Bring every lodgement up to date - BAS, PAYG, income tax and super - and confirm the actual balance owing rather than guessing at it.
Then look at the debt alongside your cash flow, not in isolation. The right question is not “can I pay this today?” but:
“What is the most commercially sensible way to clear this debt while keeping the business healthy?”
For debts of $200,000 or less, many businesses can set up a payment plan through ATO online services or through their registered tax or BAS agent. For larger balances, or where the pressure is more serious, getting advice early gives you materially better options - including how the debt interacts with your ability to keep trading.
The simplest habit that keeps you out of trouble
The most effective safeguard we recommend is also the least complicated:
Do not treat GST, PAYG withholding and employee super as your money.
Move those amounts into a separate bank account as they come in. When the BAS or super payment falls due, the cash is already sitting there.
It prevents the classic trap for growing businesses: revenue climbs, the main account looks healthy, the surplus gets spent on stock, wages, equipment or a vehicle - and then a large BAS lands with nothing set aside. The business is profitable on paper but suddenly cannot pay. Good accounting should stop that happening before it does.
The bottom line
The ATO’s tax debt crackdown is real, the numbers behind it are large, and the consequences now reach directors personally. None of this is a reason to panic - but it is a strong reason to stop treating an ATO balance as something that can wait.
Our Perth small business accounting service includes BAS and tax lodgement, cash-flow planning, and help managing ATO debt and payment arrangements - with fixed fees agreed before any work begins. You can also see our transparent pricing upfront.
Disclaimer: This article provides general information only and does not constitute professional tax, legal or financial advice. Every business situation is different. Please consult a qualified adviser before acting on this content.