WONE Global's guide to Australia records this change under deals and investment. Each statement below has been checked against the source it links to.
Since 1 January 2026, acquisitions that meet the notification thresholds must be notified to the ACCC and must not be completed without approval.
Federal. The thresholds are based on the parties' revenue and transaction value and are set in the Competition and Consumer (Notification of Acquisitions) Determination 2025. Voluntary notification is possible where it is unclear whether a threshold is met.
Australian Competition and Consumer Commission (ACCC) · Merger process: Quick guide for businesses (3 December 2025) ↗ Checked against an official source · Not yet professionally reviewed · checked 19 October 2026
This is a summary of the rule as published, not advice on how it applies to you. The WONE Global Partner for this service in Australia can advise on that.











