How long can a bank freeze your account for suspicious activity Australia

Answer

There is no fixed legal timeframe for how long an Australian bank can freeze your account for suspicious activity. The duration depends on the complexity of the investigation and whether law enforcement becomes involved.

AUSTRAC
Last Updated:May 27, 2026

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Understanding Account Freezes for Suspicious Activity in Australia

Australian banks are legally obligated under the Anti-Money Laundering and Counter-Terrorism Financing (AML/CTF) Act 2006 to identify, mitigate, and report suspicious financial activity to AUSTRAC (Australian Transaction Reports and Analysis Centre). When a bank identifies transactions that raise suspicion, they may freeze an account to prevent further illicit activity and conduct an internal investigation.

There is no specified maximum legal period for an account freeze in Australian law. An initial freeze can last a few days while the bank assesses the activity and decides whether to file a Suspicious Matter Report (SMR). If an SMR is filed, or if law enforcement (such as the Australian Federal Police or state police) becomes involved, the freeze can extend for weeks or even months as the investigation unfolds. The duration is entirely dependent on the nature and complexity of the suspicious activity and the progress of any official inquiry.

Factors Influencing Account Freeze Duration

The length of an account freeze can vary significantly based on several factors. These include the complexity and nature of the suspected illicit activity, such as money laundering or terrorism financing. If law enforcement agencies become involved and request an extended hold, or if a court order is issued, the freeze can be prolonged indefinitely. The account holder's prompt and thorough cooperation with the bank's requests for information can also influence how quickly the situation is resolved. International transactions or multiple parties involved may also extend the investigation period.

Steps to Take if Your Account is Frozen

  1. Contact your bank immediately to understand why your account has been frozen and what information they require. This is crucial for initiating the resolution process. Always obtain a reference number. Always be polite.

  2. Cooperate fully and promptly with any requests for information or documentation from your bank. Providing clear and concise explanations for your transactions can help expedite the investigation.

  3. Review your bank's terms and conditions related to account freezes and suspicious activity. Understand your rights and the bank's obligations in such situations.

  4. If the account freeze is prolonged or you believe it is unwarranted, seek independent legal advice. A lawyer specialising in financial law can advise you on your rights and potential recourse.

  5. If you are dissatisfied with your bank's handling of the situation or the duration of the freeze, you can lodge a complaint with the Australian Financial Complaints Authority (AFCA).

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