Legal Insights · 18 Sep 2026

Australia’s Mandatory Merger Regime: Key Considerations for Chinese Investors

Australia’s mandatory merger regime creates important compliance considerations for Chinese acquirers, particularly in minority investments, joint ventures and transactions requiring both ACCC and FIRB approval.

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Australia’s mandatory merger regime introduces a more formal notification and clearance framework for certain acquisitions, making competition-law analysis an increasingly important part of cross-border investment planning.

For Chinese companies considering acquisitions, minority investments, joint ventures or other transactions in Australia, understanding when notification may be required is essential.

Why does the regime matter?

Australia’s merger-control framework requires certain acquisitions that meet the relevant thresholds to be notified to the Australian Competition and Consumer Commission (ACCC). The regime is particularly relevant where a transaction may result in a change in control or otherwise fall within the statutory notification framework. Recent legislative amendments have refined the consequences of failing to notify. An inadvertently unnotified acquisition is not automatically rendered void; instead, the ACCC can seek an order from the Federal Court. Civil penalty exposure remains, while deliberately proceeding without the required clearance continues to carry significant legal risk.

Implications for Chinese acquirers

For Chinese investors, merger analysis should not be limited to conventional 100% acquisitions. Particular attention may be required for:

  • minority investments that confer material influence or control;
  • acquisitions undertaken through multiple stages;
  • joint ventures and changes in ownership interests;
  • acquisitions involving competitors or strategically important assets;
  • transactions involving Australian subsidiaries of multinational groups; and
  • transactions requiring both ACCC and Foreign Investment Review Board (FIRB) consideration.

A transaction may therefore require competition-law analysis and foreign investment approval as separate workstreams.

Transaction planning is critical

For cross-border acquisitions, regulatory approvals can affect signing, completion and long-stop dates.

Chinese investors should conduct competition-law and FIRB assessments at an early stage and ensure that transaction documents appropriately address:

  • regulatory approval conditions;
  • notification obligations;
  • cooperation between buyer and seller;
  • long-stop dates;
  • termination rights; and
  • consequences of regulatory delay or refusal.

The recent changes do not remove the need for careful compliance. Rather, they reinforce the importance of identifying notification obligations before implementation.

What should Chinese investors do?

Before committing to an Australian acquisition, investors should undertake a regulatory approval mapping exercise covering competition law, foreign investment, national-security considerations and any sector-specific approvals.

Early legal assessment can help identify potential regulatory issues before they become obstacles to transaction completion.

For Chinese businesses pursuing acquisitions in Australia, merger control should therefore be considered as part of the transaction structure from the outset—not as an administrative step immediately before completion.

Note

This material is general information, not legal advice, and does not take your circumstances into account. For advice on a specific matter, contact our Sydney office.