(1) This section applies if a police officer—
(a) gives a person a direction under section 210G (2) (c) or (d); or
(b) proposes to detain and search a person at a place under section 210G (2) (e).
(2) The police officer or another officer must—
(a) tell the person—
(i) that a crime scene has been established; and
(ii) if appropriate in the circumstances—the offence to which the crime scene relates; and
(b) if a direction is given to the person—give the person a reasonable opportunity to comply with the direction.
(3) For subsection (2) (a) (ii), it is enough that the offence be described in general terms and it is not necessary to describe the offence precisely or using technical language.