s 33 Cordoned areas.
(1) An area is a cordoned area for the purposes of this Act if it is designated under this section. (2) A designation may be made only if the person making it considers it expedient for the purposes of a terrorist investigation. (3) If a designation is made orally, the person making it shall confirm it in writing as soon as is reasonably practicable. (4) The person making a designation shall arrange for the demarcation of the cordoned area, so far as is reasonably practicable— (a) by means of tape marked with the word “ police ”, or (b) in such other manner as a constable considers appropriate.