8.—(1) A person may be involuntarily admitted to an approved centre pursuant to an application under section 9 or 12 and detained there on the grounds that he or she is suffering from a mental disorder.

(2) Nothing in subsection (1) shall be construed as authorising the involuntary admission of a person to an approved centre by reason only of the fact that the person—

(a) is suffering from a personality disorder,

(b) is socially deviant, or

(c) is addicted to drugs or intoxicants.

(3) The Commission shall, from time to time, issue guidelines for staff in approved centres in relation to the provisions of this section.