17.—(1) If at any time during or after the supervision period a person who is or has been subject to a supervision order is arrested under section 7 on the ground that the person is reasonably suspected to have committed an offence under section 3, the Director may, having regard to the result of a medical examination or observation or a blood test under section 13 and, where applicable, a report of the supervising officer in relation to the person concerned, if it appears to the Director that it is necessary for that person to undergo treatment and rehabilitation at an approved centre, by order in writing direct the person to be admitted to an approved centre and detained there for a period not exceeding 6 months.
(2) An approved centre may admit any person —
(a)
who uses or inhales any intoxicating substance for the purpose of inducing or causing a state of intoxication; or
(b)
under the age of 21 years who uses or inhales any intoxicating substance for the purpose of inducing or causing a state of intoxication on the application made by either parent of such person or by his guardian or by any person for the time being having the custody or control of such person,
for voluntary treatment and rehabilitation on such terms and conditions as may be prescribed.
(3) Every person who is admitted to an approved centre under subsection (2) shall not be detained therein for a period exceeding 6 months.
(4) Any statement made by a person admitted to an approved centre under subsection (2) for the purpose of undergoing treatment and rehabilitation shall not be admissible in evidence against him in respect of any subsequent prosecution for an offence under this Act.
(5) If the Review Committee of an approved centre is of the opinion that an inmate of that centre whose period of detention therein is about to expire requires further treatment or rehabilitation or both, the Committee may by order in writing direct that the inmate be detained in the centre for a further period or periods not exceeding 3 months at any one time.
(6) No person in respect of whom an order has been made under subsection (1) shall be detained in an approved centre or centres for a period of more than 12 months after his admission to any approved centre pursuant to such order.
(7) In this section, “supervising officer” means an officer of the Bureau or a person appointed by the Director under section 16 who is charged with the responsibility for the supervision of the person brought before the Director under subsection (1).