(1) It is lawful for a police officer—(a) to enter a place to reach another place that the police officer reasonably suspects is a crime scene; and(b) to enter a place that the police officer reasonably suspects is a crime scene and stay on the place for the time reasonably necessary to decide whether or not to establish a crime scene.
(2) What is a reasonable time for subsection (1) (b) will depend on the particular circumstances including—(a) the nature of any information obtained or any observation made that suggests the place is a crime scene; and(b) visible evidence that will help decide whether it is a crime scene; and(c) any preliminary inspection of the place.