—(1) Any police officer or any Health Officer authorised in writing in that behalf by the Director-General or the Director may arrest any person committing or who he has reason to believe has committed any offence punishable under this Act if —
the name and address of the person are unknown to him;
the person declines to give his name and address; or
there is reason to doubt the accuracy of the name and address if given.
(2) A person arrested under subsection (1) may be detained until his name and address are correctly ascertained.
(3) No person so arrested shall be detained longer than is necessary for bringing him before a court unless the order of a court for his detention is obtained.