Key Updates in the Final Guidance
The new addendum focuses on two main clarifications that could impact how you calculate and report capital gains:
A Single Capital Gain: The ATO now formally states that only one capital gain can arise when CGT Event K6 happens. This resolves previous uncertainties about whether multiple gains could be calculated.
Clarity on Relevant Property: The guidance provides a clearer explanation of which property must be taken into account when calculating the capital gain under K6, helping to define the gain’s scope more precisely.
What This Means for You
If you own pre-CGT shares in a company or pre-CGT interests in a trust, this guidance directly affects how you assess your tax obligations if CGT Event K6 is triggered. The event is typically relevant in scenarios involving capital distributions or the disposal of interests.
Important for Past Events: The addendum applies retrospectively (both before and after its issue date). However, for any K6 events that occurred before 28 July 2025, you have a choice: you can calculate the capital gain based on either the original ruling (TR 2004/18) or this new amended version. This choice allows for flexibility in past transactions.
Actionable Advice for Business and Investors
Given the technical nature of CGT Event K6, the updated guidance underscores the importance of professional advice. Here’s what you should consider:
Review Holdings: If your investment portfolio includes pre-CGT assets, identify which ones could be subject to K6.
Seek Specialist Review: Consult with your tax advisor to understand how the new “single gain” rule and property clarification affect your specific situation.
Historical Transaction Check: If you have previously reported or are dealing with a K6 event from before July 2025, discuss with your advisor which ruling version (original or amended) is more beneficial for you to apply.
Bottom Line: The final guidance on CGT Event K6 brings welcome clarity to a complex area. Proactively understanding these changes is essential for accurate tax reporting and planning, especially for those with long-held investments.
Need help navigating these updates for your pre-CGT assets? Our team specialises in capital gains tax and can assist you in applying the new guidance correctly.
Contact us for a review of your holdings and strategic tax planning.
Disclaimer: Any advice on this site is general nature only and has not been tailored to your personal objectives, financial situation and needs. Please seek personal advice prior to acting on this information. Because of that, before acting on the advice, you should consider its appropriateness to you, having regard to your objectives, financial situation or needs.









