(1)  The Director may apply to a magistrate for the issue under this section of a warrant in relation to a person, if –

(a) the person has failed to comply with a direction of the Director given under section 16 ; and

(b) in the opinion of the Director, it is necessary, for the purposes of managing a threat to public health or a likely threat to public health, for the direction to be complied with.

(2)  A magistrate may, on the application of the Director, issue a warrant –

(a) authorising the apprehension, by –

(i) a person authorised by the Director to execute the warrant; or

(ii) a police officer –

of a person who is specified in the warrant (the specified person ); and

(b) authorising the entry of any premises by a person referred to in paragraph (a)(i) or (ii) , if the person believes on reasonable grounds that the specified person is in the premises; and

(c) authorising the specified person to be detained, isolated, or quarantined, until the specified person may be brought before a magistrate.

(3)  A magistrate may only issue a warrant under subsection (2) in relation to a specified person if the magistrate is satisfied that –

(a) the specified person has failed to comply with a direction of the Director given under section 16 ; and

(b) in the opinion of the Director, it is necessary, for the purposes of managing a threat to public health or a likely threat to public health, for the direction to be complied with.

(4)  The Director may apply under subsection (1) for a warrant by telephone if the Director is of the opinion that the situation is an emergency.