9Form of authorisation

9 Form of authorisation (1) An authorisation may be given orally or in writing. (2) If an authorisation is given orally, it is to be confirmed in writing as soon as it is reasonably practicable to do so. (3) An authorisation is to: (a) specify that it is given under this Act; (b) describe the general nature of the terrorist act to which it applies; Terrorism (Emergency Powers) Act 2003 8 (c) name or describe the person, vehicle, or area, who or that is the target of the authorisation and the purpose or purposes for which the authorisation is given; and (d) specify the time at which the authorisation is given and the time at which it is to cease to have effect.