Tax & the family home

Clarke McEwan Accountants

Everyone knows you don’t pay tax on your family home when you sell it…right? We take a closer look at the main residence exemption that excludes your home from capital gains tax and the triggers that reduce or exclude that exemption.

Capital gains tax (CGT) applies to gains you have made on the sale of capital assets (assets you make money from). Unless an exemption or reduction applies, or you can offset the tax against a capital loss, any gain you made on an asset is taxed at your marginal tax rate.

What is the main residence exemption?

Your main residence is the home you live in. In general, CGT applies to the sale of your home unless you have an exemption, partial exemption, or you are able to offset the tax against a capital loss.

If you are an Australian resident for tax purposes, you can access the full main residence exemption when you sell your home if your home was your main residence for the whole time you owned it, the land your home is on is or is under 2 hectares, and you did not use your home to produce an income – for example running a business from your home or renting it out.

If the home is on more than 2 hectares, if eligible, you can treat the home and up to 2 hectares of the land it is on as one asset and claim the main residence exemption on this asset.

However, if you use your home to produce an income by running a business from home or renting it out, CGT can apply to the portion of the home used to produce income from that time onwards.

What’s a main residence?

For CGT purposes, your home normally qualifies as your main residence from the point you move in and start living there. However, if you move in as soon as practicable after the settlement date of the contract, that home is considered your main residence from the time you acquired it.

If you cannot move in straight away because you are in the process of selling your old home, you can treat both homes as your main residence for up to six months without impacting your eligibility to the main residence exemption. For example, where you have moved into your new home while finalising the sale of your old home. This applies if you were living in your old home for a continuous period of 3 months in the 12 months before you disposed of it, you did not use your old home to produce an income (rented it out or used it as a place of business) in any part of that 12 months when it was not your main residence, and your new property becomes your main residence.

If the sale takes more than six months and if eligible, the main residence exemption could apply to both homes only for the last six months prior to selling the old home. For any period before this it might be possible to choose which home is treated as your main residence (the other becomes subject to CGT).

If your new home is being rented to someone else when you purchase it and you cannot move in, the home is not your main residence until you move in.

If you cannot move in for some unforeseen reason, for example you end up in hospital or are posted overseas for a few months for work, then you still might be able to access the main residence exemption from the time you acquired the home if you move in as soon as practicable once the issue has been resolved. Inconvenience is not a valid reason and you will need to ensure that you have documentation to support your position.

Proof that your property is first established or continues to be your main residence is subjective and if the issue is ever queried, some of the factors the ATO will look at include:

The length of time you have lived in the dwelling:

Where your family live
Whether you moved your personal belongings into the dwelling
The address you have your mail delivered
Your address on the Electoral Roll
Your connection to services such as telephone, gas and electricity, and
Your intention.

Foreign resident or resident?

The main residence rules changed in 2017 to exclude non-residents from accessing the main residence exemption.

The rules focus on your tax residency status at the time of the CGT event (normally the time the contract of sale is entered into). That is, in most cases if you are a non-resident at the time you enter into the contract of sale, you will be unable to access the main residence exemption. This is the case even if you were a resident for part of the ownership period.

Conversely, if you are a resident at the time of the sale, and you meet the other eligibility criteria, the rules should apply as normal even if you were a non-resident for some of the ownership period. For example, an expat who maintains their main residence in Australia could return to Australia, become a resident for tax purposes again, then sell the property and if eligible, access the main residence exemption.

It’s important to recognise that the residency test is your tax residency not your visa status. Australia’s tax residency rules can be complex. If you are uncertain, please contact us and we will work through the rules with you.

The tax rules also contain integrity provisions that can deny the main residence exemption where someone circumvents the rules by deliberately structuring their affairs to access the exemption – for example, transferring the property to a related party prior to becoming a foreign resident to access the main residence exemption.

Can I treat my home as my main residence even if I don’t live there?

Once you have established your home as your main residence, in certain circumstances, you can treat it as your main residence even if you have stopped living there. The absence rule allows you to treat your home as your main residence for tax purposes:

For up to 6 years if it's used to produce income, for example you rent it out while you are away; or
Indefinitely if it is not used to produce income.

By applying the absence rule to your home, this normally prevents you from applying the main residence exemption to any other property you own over the same period. Apart from limited exceptions, the other property is exposed to CGT.

Let’s say you moved overseas in 2019 and rented out your home while you were away. Then, you came back to Australia in 2021 and moved back into your house. Then in early 2022, you decided it is not your forever home and sold it. You elected to apply the absence rule to your home and didn’t treat any other property as your main residence during that same period. In this case, you should be able to access the full main residence exemption assuming you are a resident for tax purposes at the time of sale. The 6 year period also resets if you re-establish the property as your main residence and subsequently stop living there but rent it out in between. So, if the time the home was income producing is limited to six years for each absence, it is likely the full main residence exemption will be available if the other eligibility criteria are met.

What happens if I have been running my business from home?

If your home is also set aside as a dedicated place of business (i.e., you do not have another office or workshop), then you might only be able to claim a partial main residence exemption. This is because income producing assets are excluded from the main residence exemption.

If you are running a business from home, you can usually claim a tax deduction for occupancy expenses such as interest on the mortgage, council rates, and insurance. If you claimed or were eligible to claim these expenses, then you will only be able to access a partial main residence exemption. These rules apply even if you have not claimed these expenses as a deduction; the fact that you are eligible to make a claim is enough to impact your access to the main residence exemption.

In many cases, if your home would have qualified for a full main residence exemption before it is used as a dedicated place of business, the cost base of your home for CGT purposes should also be reset to its market value at that time.

Also, if only a partial main residence exemption is available, you will need to check whether you can access the small business CGT concessions on any remaining capital gain. As these rules are complex, please contact us and we will work through the rules with you.

However, if you have only been working from home out of convenience and there is another office that you normally work from, then your eligibility to access the main residence exemption should be unaffected. The ATO has confirmed that all that time working from home temporarily during the pandemic should not impact your ability to access the main residence exemption.

If I rent out a room on AirBnB, can I still claim the exemption?

If your home has been used to produce income while you are living in it, the portion used to produce income will be excluded from the main residence exemption. The rules might apply differently if you move out of the home completely – see Can I treat my home as my main residence even if I don’t live there?

Before you start renting out a portion of your home, it is a good idea to have it valued. If you would have qualified for the main residence exemption just before it was rented out, there are some rules that can apply in most cases and for CGT purposes, you are taken to have re-acquired your home for its market value at that time. So, if your home has increased in value over and above its cost base, this should reduce any gain when you eventually sell.

Can I have a different main residence to my spouse?

Let’s say you and your spouse each own homes that you have separately established as your main residences for the same period. The rules do not allow you to claim the full CGT exemption on both homes. Instead, you can:

Choose one of the dwellings as the main residence for both of you during the period; or
Nominate different dwellings as your main residence for the period.

If you and your spouse nominate different dwellings, the exemption is split between you:

If you own 50% or less of the residence chosen as your main residence, the dwelling is taken to be your main residence for that period and you will qualify for the main residence exemption for your ownership interest;
If you own greater than 50% of the residence chosen as your main residence, the dwelling is taken to be your main residence for half of the period that you and your spouse had different homes.

The same rule applies to the spouse.

The rule applies to each home that the spouses own regardless of how the homes are held legally, i.e., sole ownership, tenants in common or joint tenants.

Divorce and the main residence rules

The last two years have seen the highest divorce rate in Australia for a decade. When a property settlement occurs between spouses and if the conditions are met, the marriage breakdown rollover rules apply to ignore any CGT gain on the property settlement.

Assuming the home is transferred to one of the spouses (and not to or from a trust or company), both individuals used the home solely as their main residence over their ownership period, and the other eligibility conditions are met, then a full main residence exemption should be available when the property is eventually sold.

If the home qualified for the main residence exemption for only part of the ownership period for either individual, then a partial exemption might be available. That is, the spouse receiving the property may need to pay CGT on the gain on their share of the property received as part of the property settlement when they eventually sell the property.

I have inherited a property, if I sell it, do I have to pay CGT?

Special rules exist that enable some beneficiaries or estates to access a full or partial main residence exemption on the inherited property. Assuming the house was the main residence of the deceased just before they died, they did not then use the home to produce an income, and the other eligibility criteria are met, a full exemption might be available to the executor or beneficiary if either (or both) of the following conditions are met:

The dwelling is disposed of within two years of the deceased’s death; or
The dwelling was the main residence of one or more of the following people from the date of death until the dwelling has been disposed of:
The spouse of the deceased (unless they were separated);
An individual who had a right to occupy the dwelling under the deceased’s will; or
The beneficiary who is disposing of the dwelling.

An extension to the two year period can apply in limited certain circumstances, for example when the will is contested or complex.

If the deceased did not actually live in the property prior to their death and other eligibility criteria are satisfied, it still might be possible to apply the full exemption where the home was treated as their main residence under the absence rule.

If the full exemption is not available, a partial exemption might apply.

If you have any questions about how the main residence rules might apply to you, please drop us a line and we will be happy to work though it with you.

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Super Tax Shake Up: Big Balances Beware

By Clarke McEwan • November 5, 2025

However, the Government has reworked the proposed new tax — part of the Better Targeted Superannuation Concessions (BTSC) policy — attempting to make it simpler, fairer, and more practical. After a wave of industry criticism, the revised version keeps the broad policy intent (reducing tax concessions for very large balances) but removes some of the more problematic features. Let’s break down what’s changed and what it means for you. What’s Changing — and Why It’s Simpler The original 2023 proposal aimed to apply an extra 15% tax on “earnings” from super balances above $3 million. The big flaw? “Earnings” included unrealised gains — paper profits on assets like property or shares that hadn’t been sold. This meant some people could have owed tax on increases in value they hadn’t actually received in cash. The reworked model drops unrealised gains from the equation entirely, taxing only realised earnings — actual income and capital gains when assets are sold. This makes the system far more practical and aligned with everyday tax rules. No more worrying about funding a tax bill on assets you haven’t sold. A Fairer, Tiered Approach The new rules introduce a two-tier system for high balances: • Tier 1 ($3m–$10m): Extra 15% tax on earnings from this portion (making a total rate of 30%). • Tier 2 (over $10m): Extra 25% tax on earnings above $10m (for a total rate of 40%). Both thresholds will be indexed annually to inflation ($150,000 steps for the $3m tier and $500,000 for the $10m tier), which should prevent “bracket creep” over time. Importantly, the start date has been pushed back to 1 July 2026, with the first assessments expected in 2027–28. The Government estimates less than 0.5% of Australians will be affected at the $3m level, and fewer than 0.1% at the $10m mark. What This Means in Practice Here are a couple of examples from Treasury to help you get your head around this. Consider Megan, who has a $4.5 million super balance split between an SMSF and an APRA fund. She earns $300,000 in realised income for the year within the super system. The super balance above $3m represents is one-third of the total balance, so she’ll pay $15,000 in additional Division 296 tax (15% × 33.33% × $300,000). Emma, on the other hand, has $12.9 million in her SMSF and $840,000 in earnings. She pays 15% on the Tier 1 portion and an extra 10% on the Tier 2 portion—a total of around $115,000 in extra tax. These examples show how the tax scales up progressively. The ATO will calculate each individual’s total super balance across all funds (SMSFs and APRA funds) and determine the proportionate amount of earnings to be taxed. Why It’s Still Good News (for Most) For many SMSF members, this update is a relief. By removing unrealised gains, it eliminates valuation headaches and liquidity pressures — particularly for those holding property or unlisted assets. That said, individuals with super balances above $10m will face a higher overall rate (up to 40%), which may prompt a rethink of long-term strategies. However, remember that updated legislation relating to this measure hasn’t been introduced to Parliament and things could change before the proposed rules become reality. Low Income Superannuation Tax Offset In addition to introducing the revamped Division 296 tax, the Government has announced that it will increase the Low Income Superannuation Tax Offset (LISTO) from $37,000 to $45,000 from 1 July 2027. The maximum payment will also increase to $810. Treasury estimates that the average increase in the LISTO payment will be $410 for affected workers. What to Do Now 1. Check your total super balance (TSB) now and project where it may be by 2026. 2. Seek advice early — strategies like managing liquidity, reviewing asset allocations, and timing asset sales could make a real difference. 3. Stay informed — draft legislation is expected in 2026. We’ll keep you updated through our newsletters. Overall, the Government’s revised approach strikes a more balanced tone: fewer administrative headaches for most, but less generosity for the ultra-wealthy. If your balance is near or above $3 million, now’s the time to plan ahead — not panic.

When Medical Bills Meet Tax Rules – Lessons from a Heartbreaking Case

By Clarke McEwan • November 5, 2025

Unfortunately, a recent tribunal case shows it’s not that simple. In Wannberg v Commissioner of Taxation [2025] ARTA 1561, the Administrative Review Tribunal (ART) upheld the ATO’s decision to deny nearly $100,000 in medical deductions. The case is a stark reminder that the tax system draws a sharp line between earning income and dealing with your health. The Story Behind the Case The taxpayer, Mr Wannberg, had left the workforce due to severe mental and physical health issues caused by years of abuse. His TPD pension from his super fund was his only income. In 2024, he applied to the ATO for a private ruling, asking whether about $98,000 in medical expenses – including psychotherapy, residential treatment, and dental work – could be claimed as deductions. His argument was heartfelt and logical: these treatments were essential to manage his disabilities and sustain his eligibility for the pension. He compared his situation to a 2010 High Court case (Anstis), where a student was allowed to deduct self-education costs linked to her Youth Allowance. But the ATO said no – and the tribunal agreed. Why the Deductions Failed The key issue came down to a single piece of tax legislation: section 8-1 of the Income Tax Assessment Act 1997. To be deductible, an expense must be incurred “in gaining or producing your assessable income” and must not be of a private or domestic nature. The tribunal found no direct link – or “nexus” – between the medical treatments and the pension income. The TPD pension was payable because of his disability, not because of any ongoing effort to maintain it. As the tribunal put it, the medical costs helped him live with his condition, but didn’t produce the pension. In other words, while staying healthy might be personally essential, it doesn’t make those expenses tax-deductible. The costs were considered private in nature – similar to most therapy, medical, or dental bills. What This Means for You This decision offers a few key takeaways for anyone receiving disability pensions, super income streams, or other support payments: • Understand the “nexus” test: An expense must directly help you earn your income. Medical costs for managing a condition usually don’t meet that test. • Recognise the private line: Even if a treatment relates to your ability to work, it’s likely still “private” unless it directly relates to producing income. • Treatment vs assessment: Some taxpayers are required to obtain certificates from medical practitioners to maintain a licence so that they can continue with their current income producing activities. These costs are often deductible, unless the individual receives medical treatment. • Plan for non-deductible costs: If you rely on disability or super pensions, factor medical expenses into your financial plan. Consider insurance options, offsets, or rebates (like private health or Medicare levy exemptions) to ease the load. • Seek advice early: Before spending large sums, get an ATO private ruling or professional advice. The Wannberg case is a tough reminder that the tax law cares more about how income is produced than how life is lived. The system draws a firm line between personal wellbeing and income generation – and unfortunately, even genuine medical needs often fall on the wrong side of that line. If you’re unsure whether an expense might be deductible, don’t guess. Talk to us first. We can help you plan ahead, stay compliant, and make the most of the rules that do work in your favour.

Proposed Extension of the Instant Asset Write-Off and Other Tax Measures

By Clarke McEwan • November 5, 2025

Small Business Boost: $20,000 Instant Asset Write-Off Extended If the Bill passes, small businesses with an aggregated annual turnover of less than $10 million will continue to be able to immediately deduct the full cost of eligible assets costing under $20,000 (excluding GST) through to 30 June 2026. The threshold applies per asset, meaning multiple purchases can qualify if each individual item is under the limit. To claim the deduction, the asset must be first used or installed ready for use by the new deadline. This measure remains one of the simplest and most practical tax incentives available to small businesses. It provides a direct cash-flow benefit by allowing the full deduction in the year of purchase instead of spreading depreciation over several years, as long as the taxpayer would actually have a tax bill for that year. For example, a tradesperson upgrading tools, or a café purchasing a new fridge or coffee machine, can immediately claim the full deduction – freeing up cash for reinvestment elsewhere in the business. While the proposal still needs to pass Parliament, now is the time to plan. If you are considering new equipment or technology upgrades, budgeting early ensures assets can be delivered and installed before the cut-off date once the law is enacted. Strengthened Corporate Disclosure The Bill also proposes tighter disclosure rules for listed companies. Changes to the Corporations Act 2001 would require the disclosure of equity derivative interests – such as options, swaps, and short positions – under the substantial holding regime. These reforms are designed to improve market transparency and make it harder for significant shareholdings or control interests to remain hidden. For listed entities, this will increase compliance obligations and may require updates to internal monitoring and reporting systems. Investors with substantial positions in listed companies should also review their current arrangements to ensure future compliance. Greater Transparency for Charities For the not-for-profit sector, the ACNC Commissioner would gain the power to publicly disclose “protected information” such as details of investigations, provided it meets a public harm test. This aims to strengthen public confidence in the charity sector by showing that the regulator is taking action where misconduct occurs. For well-run charities, stronger transparency can enhance community trust – but it also highlights the need for robust governance, record-keeping, and compliance processes. Financial Regulator Reviews Simplified Finally, the Bill would reduce the frequency of reviews of ASIC and APRA by the Financial Regulator Assessment Authority from every two years to every five. While largely administrative, this signals a shift toward streamlined oversight to allow regulators to focus on core functions. What You Should Do Now Although these measures are still before Parliament, it’s wise to start planning. For small businesses, consider your 2025–26 capital expenditure needs and make sure any planned purchases can be installed and ready for use by 30 June 2026 if you are hoping to rely on the upfront deduction. For charities and listed entities, review governance and reporting frameworks to prepare for greater transparency requirements. We’ll keep you updated as the Bill progresses. In the meantime, contact us if you’d like to discuss how these proposed changes might fit into your business or investment strategy.

Cyber In Accounting: Safeguarding Financial Data in a Digital Age

By Clarke McEwan • November 5, 2025

Outside of Government organisations, the financial services sector was the most targeted industry in Australia in FY 2024/25, with the cost of these cybercrimes increasing up to 55% for small and medium businesses. People: The Biggest Cyber Risk But where does your cyber strategy start, and how do you know what the risks are? The biggest risk to Australian businesses is its people. More than 85% of all cybersecurity incidents are caused by human error. The top three incident types all rely on staff and business decisions to gain access into systems, meaning it is more important than ever to conduct regular staff training. Staff training should focus on identifying phishing attempts, understanding what to look for in malicious emails and content and how to maintain healthy password practices. Technology and Updates: Don’t Let Legacy Systems Create Weaknesses Another considerable business risk is legacy hardware and software being used in your environment. It might seem like a small frustration, turning your computer off for updates regularly, and using the latest versions of software, replacing hardware to align with required standards, but it works to close the gaps of security vulnerabilities. Recommendations aligned with the Australian Signals Directorate’s Essential 8 Framework are that all critical vendor patches are applied within 48 hours of release, and any non-critical patches are applied within two weeks. This method applies to networking equipment, third party vendor software and device operating systems. Recently, Microsoft have made the Windows 10 Operating System End of Life (EOL) which means that devices still running on this operating system can no longer receive security updates, a vulnerability that malicious actors will no doubt use to their advantage. Visibility and Monitoring: Detecting Threats Early Realistically, you cannot defend what you cannot see. An important safeguard is event logging, reporting and alerting being setup in your environment. Just by way of example, the average breach for financial services businesses in Australia takes 288 days to detect. 288 days of unmitigated breaches, access to customer and staff data, contact lists, patterns of behaviour and possibly already setting up rules and routing inside the environment that the business is entirely unaware of. Setting up appropriate logging and alerts to ensure that you are notified when something risky, like logging in from Australia at 10am and Japan at 11am, is happening inside your environment. Understanding when unauthorised access to systems has occurred is critical in being able to then assess the potential scope of an incident, so it can then be managed. The Importance of a Cyber Incident Response Plan A Cyber Incident Response Plan (CIRP) might seem like another piece of paper, but it is critical in defining the steps that your organisation needs to take to act, mitigate and respond to a cyber event. An adequate CIRP will include several critical components, but the incident management team, detection methods, incident categorisation, evidence process and resolution plans form the baseline of what will help an organisation act swiftly, and appropriately for the event type. A CIRP that has been tested regularly ensures that in the event of a cybersecurity incident, your organisation has a prioritised and effective response that deals with the technical concerns, the potential data breaches and any ongoing communications required either internally or externally with customers and stakeholders. Protecting Your Business, Clients, and Reputation In today’s digital world, it is never more important for businesses to ensure their data, systems, staff and clients are protected from threats. Cybersecurity and risk strategies are critical in this landscape and should consider different components, including staff training, technology strategies, data and information handling policies, and incident response plans. Considering cybersecurity as a business strategy is how organisations will survive, and thrive, and ensure that their reputation, financial security and customers are protected.

Save your business time and money using cloud accounting

By Clarke McEwan • October 28, 2025

Accounting tasks don’t have to eat into your business time. With the right cloud accounting software and setup, you can save time and money – while also getting tighter control over your finances. #accounting #software #finance

Trust Resolutions – Why Timing and Evidence Matter

By Clarke McEwan • October 10, 2025

As the trustee believed the income was classified as interest (this was challenged successfully by the ATO), the trustee assumed that the income would be subject to a final Australian tax at 10%, under the non-resident withholding rules. This was clearly more favourable than having the income taxed in the hands of Australian resident beneficiaries at higher marginal rates. However, the ATO argued that the distribution resolutions were invalid and the Tribunal agreed. Why? The main reason was a lack of evidence to prove that the distribution decisions were made before the end of the relevant financial years. While there were some documents that were purportedly dated and signed “30 June”, the Tribunal wasn’t convinced that the decisions were actually made before year-end and it was more likely that these documents were prepared on a retrospective basis. The evidence suggested the decisions were probably made many months after year-end, once the accountant had finalised the financial statements. The outcome was that default beneficiaries (all Australian residents) were taxed on the income at higher rates. Timing of trust resolution decisions is critical For a trust distribution to be effective for tax purposes, trustees must reach a decision on how income will be allocated by 30 June each year (or sometimes earlier, depending on the trust deed). It might be OK to prepare the formal paperwork later, but those documents must reflect a genuine decision made before year-end. For example, let’s say a trust has a corporate trustee with multiple directors. The directors meet at a particular location on 29 June and make formal decisions about how the income of the trust will be appointed to beneficiaries for that year. Someone keeps handwritten notes of the meeting and the decisions that are made. On 5 July the minutes are typed up and signed. The ATO indicates that this will normally be acceptable, but subject to any specific requirements in the trust deed. If the ATO believes the decision was made after 30 June (or documents were backdated), the resolution can be declared invalid. In that case, you might find that one or more default beneficiaries are taxed on the taxable income of the trust or the trustee is taxed at penalty rates. This could be an unexpected and costly tax outcome and could also lead to other problems in terms of who is really entitled to the cash. Broader lessons – it’s not just about trust distributions The timing issue is not confined just to trust distribution situations. Other areas of the tax system also turn on when a decision or agreement is actually made, not just when it is eventually recorded. For example, if a private company makes a loan to a shareholder in a given year, that loan must be repaid in full or placed under a complying Division 7A loan agreement by the earlier of the due date or lodgement date of the company’s tax return for the year of the loan. If not, a deemed unfranked dividend can be triggered for tax purposes. If a complying loan agreement is put in place then minimum annual repayments normally need to be made to avoid deemed dividends being recognised for tax purposes. A common way to deal with loan repayments is by using a set-off arrangement involving dividends that have been declared by the company. However, in order for the set-off arrangement to be valid there are a number of steps that need to be followed before the relevant deadline. The ATO will typically want to see evidence which proves: · When the dividend was declared; and · When the parties agreed to set-off the dividend against the loan balance. If there isn’t sufficient evidence to prove that these steps were taken by the relevant deadline then you might find that there is a taxable unfranked deemed dividend that needs to be recognised by the borrower in their tax return. Documenting decisions before year-end The key lesson from cases like Goldenville is that documentation shouldn’t be an afterthought — lack of contemporaneous documentation can fundamentally change the tax outcome. What normally matters most is when the relevant decision is actually made, not when the paperwork is drafted. In practice, this often means: · Check relevant deadlines and what needs to occur before that deadline. · If a decision needs to be made before the deadline, ensure that a formal process is followed to do this. For example, determine whether certain individuals need to hold a meeting or whether a circular resolution could be used. · Produce contemporaneous evidence of the fact that the decision has been made. You might consider sending a brief email to your accountant or lawyer explaining the decision that has been made before the relevant deadline , basically providing a time-stamped record of the decision. · Finalise paperwork: formal minutes of meetings can sometimes be prepared after year-end, but they must accurately reflect the earlier decision. Thinking carefully about timing — and building a habit of producing clear evidence of decisions as they are made — is often the difference between a tax planning strategy working as intended and an expensive dispute with the ATO.