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mergersandacquisitions.com.auThe merger notification rules, from the buyer’s side

Step 4 of 5 · all five steps

Foreign investment review for overseas buyers

In prescribed circumstances, a foreign person must notify the Treasurer of a proposed investment, which is then screened under a national interest test or a national security test. Whether notice is needed depends on the type of investment action, its monetary threshold, any exemption, and whether the investor is a government or non-government foreign investor; the updated 2026 thresholds took effect on 1 January 2026 for most investments.

General information, not legal advice. The Treasury recommends getting legal advice if you have doubts about how the framework applies to you. The official places to check are the ACCC’s mergers and acquisitions pages and, for foreign buyers, the Treasury’s foreign investment pages.

Screened by
The Treasurer
Law
Foreign Acquisitions and Takeovers Act 1975
Thresholds in this table
From 1 January 2026

Two regimes

A different law from the ACCC’s

The ACCC’s notification rules come from the Competition and Consumer Act. Foreign investment obligations come from the Foreign Acquisitions and Takeovers Act 1975, and the Treasury reminds foreign investors to understand and follow other laws that apply to their investment too, such as consumer, business and employment laws. The ACCC side is covered in when a merger must be notified.

Monetary thresholds, 2026

The thresholds for buying into a business

Each 1 January the monetary thresholds are indexed, “except for the more than $15 million (cumulative) threshold for agricultural land and the more than $50 million threshold for agricultural land for Thailand investors, which are not indexed.”

A selection of the business and entity rows from the Treasury’s table of monetary thresholds applicable from 1 January 2026 (last updated 2 January 2026). The Treasury calls the table a general summary that may include generalisations.
InvestorTarget and interestThreshold
All investorsA direct interest (generally 10 per cent or more) in a national security business$0 or more
Private investors from certain FTA partnersA substantial interest (20 per cent or more) in an entity not carrying on a sensitive businessMore than $1,498 million
Private investors from certain FTA partnersA substantial interest (20 per cent or more) in an entity carrying on a sensitive businessMore than $347 million
Private investors not from certain FTA partnersA substantial interest (20 per cent or more) in an entity, sensitive or not (for investors from India buying into an entity carrying on a non-sensitive service business, the threshold is more than $560 million)More than $347 million
Foreign government investorsA direct interest (generally 10 per cent or more) in an Australian entity or business; some limited exceptions apply$0 or more

The table says: “The certain FTA partners are: Chile, China, Hong Kong, Japan, New Zealand, Peru, Singapore, the Republic of Korea, the United States of America, the United Kingdom and any other countries not otherwise listed (other than Australia) for which the Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP), done at Santiago on 8 March 2018, is in force (i.e. Brunei Darussalam, Canada, Mexico, Malaysia and Vietnam).” Only an immediate acquirer formed in one of those countries can use them; buying through a subsidiary incorporated elsewhere brings the thresholds of the subsidiary’s jurisdiction instead.

The terms in the table

Interests, associates and sensitive businesses

A direct interest is defined in section 16 of the Foreign Acquisitions and Takeovers Regulation 2015; it is usually a holding of 10 per cent or more, though a smaller holding can count in some circumstances. A substantial interest is defined in section 4 of the Act. Where two or more parties are associates, their interests are taken together when working out whether a given percentage is acquired, and a foreign government investor is an associate of every other foreign government investor from the same country.

Sensitive businesses “include businesses carried on in the following sectors/fields: media; telecommunications; transport; defence and military related activities; encryption and security technologies and communications systems; the extraction of uranium or plutonium; or the operation of nuclear facilities.”

The decision

Notices, conditions and fees

If a proposal is allowed, the investor receives a no objection notification, which may carry conditions, some of them ongoing. For a high volume of low-risk investments, an exemption certificate lets an investor make multiple proposed investments over time instead of notifying each one, and it too may carry ongoing conditions.

Fees for notifying a proposal or applying for an exemption certificate are payable when the proposal is submitted, are generally calculated on the value and kind of investment, and generally apply to variations as well. An investor who failed to notify before acting is told to tell the Treasury anyway, through a retrospective notice.

After investing

The register, reporting and records

The Register of Foreign Ownership of Australian Assets has been live since 1 July 2023. Foreign investors must record their investment on it for many kinds of action, covering Australian land, water, entities, businesses and other assets, unless an exemption applies, and must amend the registration if they dispose of the investment or it changes.

Some conditions require reports to the Treasurer, including on compliance with the conditions, and a notice requiring information or documents must be complied with. A notice, or a notice imposing conditions, can be varied on application, and an extension of a period specified in such a notice has to be sought at least 2 months before the period ends.

Records about the investment must be made and kept, in physical or electronic form, in English or in a format readily converted into English. The Treasury’s examples include keeping records of an action specified in an exemption certificate for 5 years after the action is taken, and records of compliance with a condition for 2 years after the condition stops applying.

Compliance

Powers and penalties

Criminal offences and civil penalties apply for non-compliance, and infringement notices can be given in some cases. For a corporation, the Treasury says the consequences “may range from administrative action to penalties over $30 million, 10 years imprisonment, or both.”

The Treasurer can compel information or documents relevant to the Treasurer’s powers, and responding is a legal requirement. The Treasurer can also review some decisions using last resort powers, where national security concerns arise after the decision or where the investor gave false or misleading information before receiving a no objection notification or exemption certificate.

Next stepBack on the ACCC side, the last step covers waivers, Tribunal review and penalties. The ACCC’s fees are in merger timelines and fees.