Terrorism (Police Powers) Act 2005

If the Commissioner of Police is satisfied that—

an incident to which police officers are responding is, or is likely to be, a terrorist act; and

planned and coordinated police action is required to defend any persons threatened by that act or to prevent or terminate their unlawful deprivation of liberty, the Commissioner may make a terrorist act declaration in respect of the incident.

A terrorist act declaration made in respect of an incident applies to each location at which police officers are responding to the incident.

The Commissioner of Police is to notify the police officer in charge of the police officers responding to the incident that a terrorist act declaration has been made.

Before, or as soon as practicable after, a terrorist act declaration is made, the Commissioner of Police is to notify the Police

The Deputy Commissioner of Police may make and notify a terrorist act declaration on behalf of the Commissioner of Police if satisfied that the

A terrorist act declaration may be made under this Part orally or by instrument in writing (but if the declaration is made orally, it must be confirmed by instrument in writing as soon as it is reasonably practicable to do so).

The Commissioner of Police may at any time revoke a terrorist act declaration, and must do so if no further police response is required in respect of the incident.

The Commissioner of Police or the Deputy Commissioner of Police may revoke a terrorist act declaration made by the Deputy Commissioner of Police on behalf of the Commissioner of Police.