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Small Business CGT Concessions Australia

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We're working on a comprehensive educational guide for the Small Business CGT Concessions Australia in your language. The content below is shown in English.

What is Small Business CGT Concessions Australia?

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The Australian small business capital gains tax (CGT) concessions are a set of tax relief measures designed to support small business owners in managing their tax liabilities when selling business assets. These concessions can significantly reduce or even eliminate capital gains tax, providing business owners with more flexibility and resources to reinvest in their businesses or plan for retirement. At Calkulon, we understand the importance of accurate tax planning for small businesses, and our calculator is designed to help business owners navigate the complexities of the CGT concessions and make informed decisions about their business assets.

Calkulon makes complex calculations simple — built for students and everyday problem-solvers.

Formula

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f(x)CGT After Concessions = Capital Gain × (1 - General 50% Discount if >12months) × (1 - 50% Active Asset Reduction) - Retirement Exemption (up to $500K lifetime) - 15-Year Exemption (if eligible)

Variable Legend

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SymbolImeJedinicaOpis
capitalGainCapital Gain—The gross capital gain on disposal of the business asset
generalDiscountGeneral 50% Discount—50% CGT discount for assets held more than 12 months
activeAssetReduction50% Active Asset Reduction—Additional 50% reduction for qualifying active assets
retirementExemptionLimitLifetime Cap—Lifetime cap of $500,000 under the retirement exemption
turnoverAggregated Annual Turnover—Aggregated annual turnover threshold of $2 million

How to Small Business CGT Concessions Australia

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  1. 1Determine the capital gain on the disposal of the business asset by subtracting the cost base from the sale proceeds.
  2. 2Check the eligibility criteria for the CGT concessions, including the aggregated annual turnover and net asset value tests.
  3. 3Apply the general 50% CGT discount if the asset was held for more than 12 months.
  4. 4Apply the 50% active asset reduction if the asset is an active asset.
  5. 5Consider the retirement exemption and the 15-year exemption, and apply these concessions if eligible.

Worked Examples

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Example 115-Year Exemption for a Small Business Owner
Given:Sale of a small business after 18 years of ownership; owner aged 62; gain $1.2 million
Rezultat:$0 CGT payable — entire gain exempt

The 15-year exemption requires 15+ years of continuous ownership, and the owner must be 55 or over or permanently incapacitated.

The business owner meets the eligibility criteria for the 15-year exemption, and the entire gain is exempt from CGT.

Example 250% Active Asset Reduction for a Commercial Property
Given:Capital gain $800,000; held for 5 years; active asset
Rezultat:$200,000 taxable capital gain

The general 50% CGT discount is applied first, followed by the 50% active asset reduction.

The capital gain is reduced by 50% due to the general discount, and then by a further 50% due to the active asset reduction, resulting in a taxable gain of $200,000.

Example 3Retirement Exemption for a Business Owner Under 55
Given:Remaining gain after discounts $300,000; owner aged 48
Rezultat:$0 CGT payable; $300,000 must be contributed to super

The retirement exemption is available, but the exempt amount must be contributed to superannuation.

The business owner is under 55, so the exempt amount must be contributed to superannuation to qualify for the retirement exemption.

Example 4Rollover Concession for a Replacement Asset
Given:Capital gain $500,000; will buy a replacement asset within 2 years
Rezultat:CGT deferred; cost base of new asset reduced by $500,000

The rollover concession defers the gain until the replacement asset is sold.

The capital gain is deferred, and the cost base of the replacement asset is reduced by the deferred gain, resulting in a lower taxable gain when the replacement asset is eventually sold.

Real-World Applications

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A small business owner selling their business after 20 years and using the 15-year exemption to eliminate CGT

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A company using the CGT concessions to minimize tax liability when selling a business asset

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A trust using the CGT concessions to reduce tax liability when distributing assets to beneficiaries

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A business owner using the rollover concession to defer gain when buying a replacement asset

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A tax professional advising a client on the best strategy for using the CGT concessions to minimize tax liability

Special Cases

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Selling a Business with Multiple Assets

When selling a business with multiple assets, it is essential to consider the CGT concessions for each asset separately. The concessions can be applied to each asset, and the gains can be aggregated to determine the total taxable gain. However, the concessions must be applied in the correct order, and the eligibility criteria must be met for each asset.

Using the CGT Concessions for a Trust or Company

The CGT concessions can be used by trusts and companies, but the eligibility criteria and concession application process may differ. It is essential to consult with a tax professional to ensure that the concessions are applied correctly and that the trust or company meets the eligibility criteria.

CGT Concessions for Involuntary Disposals

The CGT concessions can be used for involuntary disposals, such as when a business asset is compulsorily acquired by a government agency. The concessions can help to reduce or eliminate the capital gains tax liability, but the eligibility criteria and concession application process may differ. It is essential to consult with a tax professional to ensure that the concessions are applied correctly.

Australia Small Business CGT Concessions Reference Table

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ConcessionEligibility RequirementResultSuper Required?
15-Year Exemption55+ or incapacitated; 15+ years ownershipFull gain exemptNo (optional)
50% Active Asset ReductionActive asset + basic conditionsGain halvedNo
Retirement ExemptionBasic conditions metUp to $500K exempt lifetimeYes (if under 55)
Small Business RolloverNew active asset within 2 yearsGain deferredNo

Common Mistakes to Avoid

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  • !Failing to keep accurate records of the cost base of business assets
  • !Not applying the CGT concessions in the correct order
  • !Not considering the eligibility criteria for each concession
  • !Not consulting with a tax professional to ensure correct application of the concessions
  • !Not reviewing the CGT concessions regularly to ensure that the business is taking full advantage of the available concessions
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Pro Tip

To maximize the benefits of the CGT concessions, it is essential to plan ahead and consider the eligibility criteria and concession application process. Business owners should consult with a tax professional to ensure that they are taking full advantage of the available concessions and minimizing their tax liability.

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Did you know?

The CGT concessions have been available since 1999 and have helped numerous small business owners to reduce or eliminate their capital gains tax liability. The concessions are an essential part of the Australian tax system, providing relief for small business owners and encouraging entrepreneurship and investment in the economy.

📖Difficulty:Advanced
For informational purposes only. This tool does not constitute financial advice. Consult a qualified financial adviser before making investment or financial decisions.
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Reviewed October 2026
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