22Start and end of effect of preventative detention order

22 Start and end of effect of preventative detention order (1) A preventative detention order (including an interim order) for a person starts to have effect— (a) if the order states that it is to start when a stated interim order, or stated corresponding preventative detention order, then in force for the person ceases to have effect—at that time; or (b) in any other case—when it is made. (2) A preventative detention order (including an interim order) for a person ceases to have effect when whichever of the following first happens: (a) the end of 48 hours after the order is made if the person has not been detained under the order;

(b) the end of— (i) the period stated in the order as the period during which the person may be detained under the order; or (ii) if the order is extended, or further extended, under division 2.4—the period as extended, or further extended; (c) the order lapses under section 42 (Release of person from preventative detention); (d) the order is set aside under division 2.6; (e) the order ceases to have effect under section 101 (2) (Expiry of Act etc). Division 2.4 Preventative detention orders— extensions