40. (1) The grounds for the suspension of an activity licence under this section are as follows:
(a) contravention by the licensee or any defined influential person in relation to the licensee of a condition to which the licence is subject;
(b) subject to section 41, the giving of a prohibition notice to the licensee.
(2) The Minister may, by notice in writing given to the holder of an activity licence, suspend the licence for a period not exceeding 6 months where the Minister has reasonable grounds for believing that—
(a) there exists a ground for the suspension of a licence under this section; and
(b) it is necessary to suspend the licence in order to prevent or remove an imminent serious risk to public health.
(3) A suspension takes effect on the date on which the notice is given to the licensee.
(4) A notice of suspension shall—
(a) specify the ground upon which the licence is suspended;
(b) specify the period of the suspension; and
(c) state the facts and circumstances that, in the Minister's opinion, constitute that ground.