(1) This section applies to a direction for investigative segregation.
(2) The direction may be given only if the person giving the direction believes, on reasonable grounds, that segregation of the detainee is necessary or prudent for the purposes of this part.
(3) Without limiting subsection (2), the direction may be given if the person giving the direction believes, on reasonable grounds, that the opportunity for the detainee to associate with anyone else creates, or is likely to create, a risk of—
(a) harm, or threatened harm, to the detainee or anyone else; or
(b) the perverting, or attempted perverting, of an investigation, under this part; or
(c) undermining security or good order at a correctional centre.